Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Mesa 3-D graphics library |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 3 | * Version: 7.5 |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 4 | * |
| 5 | * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 6 | * Copyright (C) 2009 VMware, Inc. All Rights Reserved. |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 9 | * copy of this software and associated documentation files (the "Software"), |
| 10 | * to deal in the Software without restriction, including without limitation |
| 11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 12 | * and/or sell copies of the Software, and to permit persons to whom the |
| 13 | * Software is furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included |
| 16 | * in all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| 22 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 23 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | /** |
| 27 | * \file texparam.c |
| 28 | * |
| 29 | * glTexParameter-related functions |
| 30 | */ |
| 31 | |
| 32 | |
| 33 | #include "main/glheader.h" |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 34 | #include "main/colormac.h" |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 35 | #include "main/context.h" |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 36 | #include "main/formats.h" |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 37 | #include "main/macros.h" |
Vinson Lee | db61b9c | 2011-01-07 00:08:24 -0800 | [diff] [blame] | 38 | #include "main/mfeatures.h" |
Vinson Lee | 0117da4 | 2011-01-05 23:11:54 -0800 | [diff] [blame] | 39 | #include "main/mtypes.h" |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 40 | #include "main/texcompress.h" |
| 41 | #include "main/texparam.h" |
| 42 | #include "main/teximage.h" |
Brian Paul | 6aa7a03 | 2009-08-13 09:55:34 -0600 | [diff] [blame] | 43 | #include "main/texstate.h" |
Dave Airlie | edc2dd8 | 2011-01-13 12:12:21 +1000 | [diff] [blame^] | 44 | #include "main/texfetch.h" |
Brian Paul | ec2b92f | 2010-06-10 23:02:41 -0600 | [diff] [blame] | 45 | #include "program/prog_instruction.h" |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 46 | |
| 47 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 48 | /** |
| 49 | * Check if a coordinate wrap mode is supported for the texture target. |
| 50 | * \return GL_TRUE if legal, GL_FALSE otherwise |
| 51 | */ |
| 52 | static GLboolean |
Kristian Høgsberg | f9995b3 | 2010-10-12 12:26:10 -0400 | [diff] [blame] | 53 | validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 54 | { |
| 55 | const struct gl_extensions * const e = & ctx->Extensions; |
| 56 | |
| 57 | if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE || |
| 58 | (wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) { |
| 59 | /* any texture target */ |
| 60 | return GL_TRUE; |
| 61 | } |
| 62 | else if (target != GL_TEXTURE_RECTANGLE_NV && |
| 63 | (wrap == GL_REPEAT || |
| 64 | (wrap == GL_MIRRORED_REPEAT && |
| 65 | e->ARB_texture_mirrored_repeat) || |
| 66 | (wrap == GL_MIRROR_CLAMP_EXT && |
| 67 | (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || |
| 68 | (wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT && |
| 69 | (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) || |
| 70 | (wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT && |
| 71 | (e->EXT_texture_mirror_clamp)))) { |
| 72 | /* non-rectangle texture */ |
| 73 | return GL_TRUE; |
| 74 | } |
| 75 | |
Vinson Lee | 0fa1692 | 2009-09-11 08:04:37 -0600 | [diff] [blame] | 76 | _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap ); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 77 | return GL_FALSE; |
| 78 | } |
| 79 | |
| 80 | |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 81 | /** |
| 82 | * Get current texture object for given target. |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 83 | * Return NULL if any error (and record the error). |
Brian Paul | 644d8fd | 2009-10-31 08:08:19 -0600 | [diff] [blame] | 84 | * Note that this is different from _mesa_select_tex_object() in that proxy |
| 85 | * targets are not accepted. |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 86 | * Only the glGetTexLevelParameter() functions accept proxy targets. |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 87 | */ |
| 88 | static struct gl_texture_object * |
Kristian Høgsberg | f9995b3 | 2010-10-12 12:26:10 -0400 | [diff] [blame] | 89 | get_texobj(struct gl_context *ctx, GLenum target, GLboolean get) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 90 | { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 91 | struct gl_texture_unit *texUnit; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 92 | |
Brian Paul | b2a3049 | 2010-02-03 15:47:44 -0700 | [diff] [blame] | 93 | if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) { |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 94 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 95 | "gl%sTexParameter(current unit)", get ? "Get" : ""); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 96 | return NULL; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 97 | } |
| 98 | |
Brian Paul | 6aa7a03 | 2009-08-13 09:55:34 -0600 | [diff] [blame] | 99 | texUnit = _mesa_get_current_tex_unit(ctx); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 100 | |
| 101 | switch (target) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 102 | case GL_TEXTURE_1D: |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 103 | return texUnit->CurrentTex[TEXTURE_1D_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 104 | case GL_TEXTURE_2D: |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 105 | return texUnit->CurrentTex[TEXTURE_2D_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 106 | case GL_TEXTURE_3D: |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 107 | return texUnit->CurrentTex[TEXTURE_3D_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 108 | case GL_TEXTURE_CUBE_MAP: |
| 109 | if (ctx->Extensions.ARB_texture_cube_map) { |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 110 | return texUnit->CurrentTex[TEXTURE_CUBE_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 111 | } |
| 112 | break; |
| 113 | case GL_TEXTURE_RECTANGLE_NV: |
| 114 | if (ctx->Extensions.NV_texture_rectangle) { |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 115 | return texUnit->CurrentTex[TEXTURE_RECT_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 116 | } |
| 117 | break; |
| 118 | case GL_TEXTURE_1D_ARRAY_EXT: |
| 119 | if (ctx->Extensions.MESA_texture_array) { |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 120 | return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 121 | } |
| 122 | break; |
| 123 | case GL_TEXTURE_2D_ARRAY_EXT: |
| 124 | if (ctx->Extensions.MESA_texture_array) { |
Brian Paul | 9818734 | 2009-02-21 14:53:25 -0700 | [diff] [blame] | 125 | return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX]; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 126 | } |
| 127 | break; |
| 128 | default: |
| 129 | ; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 130 | } |
| 131 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 132 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 133 | "gl%sTexParameter(target)", get ? "Get" : ""); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 134 | return NULL; |
| 135 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 136 | |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 137 | |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 138 | /** |
| 139 | * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE. |
| 140 | * \return -1 if error. |
| 141 | */ |
| 142 | static GLint |
| 143 | comp_to_swizzle(GLenum comp) |
| 144 | { |
| 145 | switch (comp) { |
| 146 | case GL_RED: |
| 147 | return SWIZZLE_X; |
| 148 | case GL_GREEN: |
| 149 | return SWIZZLE_Y; |
| 150 | case GL_BLUE: |
| 151 | return SWIZZLE_Z; |
| 152 | case GL_ALPHA: |
| 153 | return SWIZZLE_W; |
| 154 | case GL_ZERO: |
| 155 | return SWIZZLE_ZERO; |
| 156 | case GL_ONE: |
| 157 | return SWIZZLE_ONE; |
| 158 | default: |
| 159 | return -1; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | |
| 164 | static void |
| 165 | set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz) |
| 166 | { |
| 167 | ASSERT(comp < 4); |
| 168 | ASSERT(swz <= SWIZZLE_NIL); |
| 169 | { |
| 170 | GLuint mask = 0x7 << (3 * comp); |
| 171 | GLuint s = (*swizzle & ~mask) | (swz << (3 * comp)); |
| 172 | *swizzle = s; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 177 | /** |
| 178 | * This is called just prior to changing any texture object state. |
| 179 | * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE |
| 180 | * state flag and then mark the texture object as 'incomplete' so that any |
| 181 | * per-texture derived state gets recomputed. |
| 182 | */ |
| 183 | static INLINE void |
Kristian Høgsberg | f9995b3 | 2010-10-12 12:26:10 -0400 | [diff] [blame] | 184 | flush(struct gl_context *ctx, struct gl_texture_object *texObj) |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 185 | { |
| 186 | FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| 187 | texObj->_Complete = GL_FALSE; |
| 188 | } |
| 189 | |
| 190 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 191 | /** |
| 192 | * Set an integer-valued texture parameter |
| 193 | * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise |
| 194 | */ |
| 195 | static GLboolean |
Kristian Høgsberg | f9995b3 | 2010-10-12 12:26:10 -0400 | [diff] [blame] | 196 | set_tex_parameteri(struct gl_context *ctx, |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 197 | struct gl_texture_object *texObj, |
| 198 | GLenum pname, const GLint *params) |
| 199 | { |
| 200 | switch (pname) { |
| 201 | case GL_TEXTURE_MIN_FILTER: |
| 202 | if (texObj->MinFilter == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 203 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 204 | switch (params[0]) { |
| 205 | case GL_NEAREST: |
| 206 | case GL_LINEAR: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 207 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 208 | texObj->MinFilter = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 209 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 210 | case GL_NEAREST_MIPMAP_NEAREST: |
| 211 | case GL_LINEAR_MIPMAP_NEAREST: |
| 212 | case GL_NEAREST_MIPMAP_LINEAR: |
| 213 | case GL_LINEAR_MIPMAP_LINEAR: |
| 214 | if (texObj->Target != GL_TEXTURE_RECTANGLE_NV) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 215 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 216 | texObj->MinFilter = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 217 | return GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 218 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 219 | /* fall-through */ |
| 220 | default: |
Vinson Lee | 0fa1692 | 2009-09-11 08:04:37 -0600 | [diff] [blame] | 221 | _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", |
Brian Paul | 1d00399 | 2009-04-23 17:54:34 -0600 | [diff] [blame] | 222 | params[0] ); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 223 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 224 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 225 | |
| 226 | case GL_TEXTURE_MAG_FILTER: |
| 227 | if (texObj->MagFilter == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 228 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 229 | switch (params[0]) { |
| 230 | case GL_NEAREST: |
| 231 | case GL_LINEAR: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 232 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 233 | texObj->MagFilter = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 234 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 235 | default: |
Vinson Lee | 0fa1692 | 2009-09-11 08:04:37 -0600 | [diff] [blame] | 236 | _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", |
Brian Paul | 1d00399 | 2009-04-23 17:54:34 -0600 | [diff] [blame] | 237 | params[0]); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 238 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 239 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 240 | |
| 241 | case GL_TEXTURE_WRAP_S: |
| 242 | if (texObj->WrapS == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 243 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 244 | if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 245 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 246 | texObj->WrapS = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 247 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 248 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 249 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 250 | |
| 251 | case GL_TEXTURE_WRAP_T: |
| 252 | if (texObj->WrapT == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 253 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 254 | if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 255 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 256 | texObj->WrapT = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 257 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 258 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 259 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 260 | |
| 261 | case GL_TEXTURE_WRAP_R: |
| 262 | if (texObj->WrapR == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 263 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 264 | if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 265 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 266 | texObj->WrapR = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 267 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 268 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 269 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 270 | |
| 271 | case GL_TEXTURE_BASE_LEVEL: |
| 272 | if (texObj->BaseLevel == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 273 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 274 | if (params[0] < 0 || |
| 275 | (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) { |
Brian Paul | 1d00399 | 2009-04-23 17:54:34 -0600 | [diff] [blame] | 276 | _mesa_error(ctx, GL_INVALID_VALUE, |
| 277 | "glTexParameter(param=%d)", params[0]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 278 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 279 | } |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 280 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 281 | texObj->BaseLevel = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 282 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 283 | |
| 284 | case GL_TEXTURE_MAX_LEVEL: |
| 285 | if (texObj->MaxLevel == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 286 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 287 | if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) { |
Brian Paul | 1d00399 | 2009-04-23 17:54:34 -0600 | [diff] [blame] | 288 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 289 | "glTexParameter(param=%d)", params[0]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 290 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 291 | } |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 292 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 293 | texObj->MaxLevel = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 294 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 295 | |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 296 | case GL_GENERATE_MIPMAP_SGIS: |
Ian Romanick | 7f11d47 | 2010-09-27 14:55:52 -0700 | [diff] [blame] | 297 | if (texObj->GenerateMipmap != params[0]) { |
| 298 | flush(ctx, texObj); |
| 299 | texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE; |
| 300 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 301 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 302 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 303 | |
| 304 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 305 | if (ctx->Extensions.ARB_shadow && |
| 306 | (params[0] == GL_NONE || |
| 307 | params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 308 | if (texObj->CompareMode != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 309 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 310 | texObj->CompareMode = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 311 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 312 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 313 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 314 | } |
| 315 | else { |
| 316 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 317 | "glTexParameter(GL_TEXTURE_COMPARE_MODE_ARB)"); |
| 318 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 319 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 320 | |
| 321 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 322 | if (ctx->Extensions.ARB_shadow) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 323 | if (texObj->CompareFunc == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 324 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 325 | switch (params[0]) { |
| 326 | case GL_LEQUAL: |
| 327 | case GL_GEQUAL: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 328 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 329 | texObj->CompareFunc = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 330 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 331 | case GL_EQUAL: |
| 332 | case GL_NOTEQUAL: |
| 333 | case GL_LESS: |
| 334 | case GL_GREATER: |
| 335 | case GL_ALWAYS: |
| 336 | case GL_NEVER: |
| 337 | if (ctx->Extensions.EXT_shadow_funcs) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 338 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 339 | texObj->CompareFunc = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 340 | return GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 341 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 342 | /* fall-through */ |
| 343 | default: |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 344 | _mesa_error(ctx, GL_INVALID_ENUM, |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 345 | "glTexParameter(GL_TEXTURE_COMPARE_FUNC_ARB)"); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 346 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 347 | } |
| 348 | else { |
Brian Paul | 1d00399 | 2009-04-23 17:54:34 -0600 | [diff] [blame] | 349 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 350 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 351 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 352 | |
| 353 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 354 | if (ctx->Extensions.ARB_depth_texture && |
| 355 | (params[0] == GL_LUMINANCE || |
| 356 | params[0] == GL_INTENSITY || |
Ian Romanick | cd5dea6 | 2010-09-28 13:50:34 -0700 | [diff] [blame] | 357 | params[0] == GL_ALPHA || |
| 358 | (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED))) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 359 | if (texObj->DepthMode != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 360 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 361 | texObj->DepthMode = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 362 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 363 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 364 | } |
| 365 | else { |
| 366 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 367 | "glTexParameter(GL_DEPTH_TEXTURE_MODE_ARB)"); |
| 368 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 369 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 370 | |
Chia-I Wu | 066477a | 2010-03-30 13:13:20 +0800 | [diff] [blame] | 371 | #if FEATURE_OES_draw_texture |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 372 | case GL_TEXTURE_CROP_RECT_OES: |
| 373 | texObj->CropRect[0] = params[0]; |
| 374 | texObj->CropRect[1] = params[1]; |
| 375 | texObj->CropRect[2] = params[2]; |
| 376 | texObj->CropRect[3] = params[3]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 377 | return GL_TRUE; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 378 | #endif |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 379 | |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 380 | case GL_TEXTURE_SWIZZLE_R_EXT: |
| 381 | case GL_TEXTURE_SWIZZLE_G_EXT: |
| 382 | case GL_TEXTURE_SWIZZLE_B_EXT: |
| 383 | case GL_TEXTURE_SWIZZLE_A_EXT: |
| 384 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 385 | const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| 386 | const GLint swz = comp_to_swizzle(params[0]); |
Brian Paul | 72f0b4a | 2009-01-28 10:44:04 -0700 | [diff] [blame] | 387 | if (swz < 0) { |
| 388 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 389 | "glTexParameter(swizzle 0x%x)", params[0]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 390 | return GL_FALSE; |
Brian Paul | 72f0b4a | 2009-01-28 10:44:04 -0700 | [diff] [blame] | 391 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 392 | ASSERT(comp < 4); |
| 393 | if (swz >= 0) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 394 | flush(ctx, texObj); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 395 | texObj->Swizzle[comp] = params[0]; |
| 396 | set_swizzle_component(&texObj->_Swizzle, comp, swz); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 397 | return GL_TRUE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 398 | } |
| 399 | } |
| 400 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 401 | return GL_FALSE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 402 | |
| 403 | case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| 404 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 405 | GLuint comp; |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 406 | flush(ctx, texObj); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 407 | for (comp = 0; comp < 4; comp++) { |
| 408 | const GLint swz = comp_to_swizzle(params[comp]); |
| 409 | if (swz >= 0) { |
| 410 | texObj->Swizzle[comp] = params[comp]; |
| 411 | set_swizzle_component(&texObj->_Swizzle, comp, swz); |
| 412 | } |
| 413 | else { |
Brian Paul | 72f0b4a | 2009-01-28 10:44:04 -0700 | [diff] [blame] | 414 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 415 | "glTexParameter(swizzle 0x%x)", params[comp]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 416 | return GL_FALSE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 417 | } |
| 418 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 419 | return GL_TRUE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 420 | } |
| 421 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 422 | return GL_FALSE; |
Dave Airlie | edc2dd8 | 2011-01-13 12:12:21 +1000 | [diff] [blame^] | 423 | case GL_TEXTURE_SRGB_DECODE_EXT: |
| 424 | if (ctx->Extensions.EXT_texture_sRGB_decode) { |
| 425 | GLenum decode = params[0]; |
| 426 | if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) { |
| 427 | if (texObj->sRGBDecode != decode) { |
| 428 | flush(ctx, texObj); |
| 429 | texObj->sRGBDecode = decode; |
| 430 | _mesa_update_fetch_functions(texObj); |
| 431 | } |
| 432 | return GL_TRUE; |
| 433 | } |
| 434 | } |
| 435 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
| 436 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 437 | default: |
| 438 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
| 439 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 440 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 441 | } |
| 442 | |
| 443 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 444 | /** |
| 445 | * Set a float-valued texture parameter |
| 446 | * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise |
| 447 | */ |
| 448 | static GLboolean |
Kristian Høgsberg | f9995b3 | 2010-10-12 12:26:10 -0400 | [diff] [blame] | 449 | set_tex_parameterf(struct gl_context *ctx, |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 450 | struct gl_texture_object *texObj, |
| 451 | GLenum pname, const GLfloat *params) |
| 452 | { |
| 453 | switch (pname) { |
| 454 | case GL_TEXTURE_MIN_LOD: |
| 455 | if (texObj->MinLod == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 456 | return GL_FALSE; |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 457 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 458 | texObj->MinLod = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 459 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 460 | |
| 461 | case GL_TEXTURE_MAX_LOD: |
| 462 | if (texObj->MaxLod == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 463 | return GL_FALSE; |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 464 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 465 | texObj->MaxLod = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 466 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 467 | |
| 468 | case GL_TEXTURE_PRIORITY: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 469 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 470 | texObj->Priority = CLAMP(params[0], 0.0F, 1.0F); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 471 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 472 | |
| 473 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 474 | if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 475 | if (texObj->MaxAnisotropy == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 476 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 477 | if (params[0] < 1.0) { |
| 478 | _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 479 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 480 | } |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 481 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 482 | /* clamp to max, that's what NVIDIA does */ |
| 483 | texObj->MaxAnisotropy = MIN2(params[0], |
| 484 | ctx->Const.MaxTextureMaxAnisotropy); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 485 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 486 | } |
| 487 | else { |
Brian Paul | 74bec42 | 2009-05-06 09:01:47 -0600 | [diff] [blame] | 488 | static GLuint count = 0; |
| 489 | if (count++ < 10) |
| 490 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 491 | "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)"); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 492 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 493 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 494 | |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 495 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 496 | if (ctx->Extensions.ARB_shadow_ambient) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 497 | if (texObj->CompareFailValue != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 498 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 499 | texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 500 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 501 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 502 | } |
| 503 | else { |
| 504 | _mesa_error(ctx, GL_INVALID_ENUM, |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 505 | "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)"); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 506 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 507 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 508 | |
| 509 | case GL_TEXTURE_LOD_BIAS: |
| 510 | /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */ |
| 511 | if (ctx->Extensions.EXT_texture_lod_bias) { |
| 512 | if (texObj->LodBias != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 513 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 514 | texObj->LodBias = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 515 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 516 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 517 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 518 | } |
| 519 | break; |
| 520 | |
| 521 | case GL_TEXTURE_BORDER_COLOR: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 522 | flush(ctx, texObj); |
Brian Paul | 7836a96 | 2010-01-04 20:00:00 -0700 | [diff] [blame] | 523 | texObj->BorderColor.f[RCOMP] = params[0]; |
| 524 | texObj->BorderColor.f[GCOMP] = params[1]; |
| 525 | texObj->BorderColor.f[BCOMP] = params[2]; |
| 526 | texObj->BorderColor.f[ACOMP] = params[3]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 527 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 528 | |
| 529 | default: |
| 530 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
| 531 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 532 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 533 | } |
| 534 | |
| 535 | |
| 536 | void GLAPIENTRY |
| 537 | _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param) |
| 538 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 539 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 540 | struct gl_texture_object *texObj; |
| 541 | GET_CURRENT_CONTEXT(ctx); |
| 542 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 543 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 544 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 545 | if (!texObj) |
| 546 | return; |
| 547 | |
| 548 | switch (pname) { |
| 549 | case GL_TEXTURE_MIN_FILTER: |
| 550 | case GL_TEXTURE_MAG_FILTER: |
| 551 | case GL_TEXTURE_WRAP_S: |
| 552 | case GL_TEXTURE_WRAP_T: |
| 553 | case GL_TEXTURE_WRAP_R: |
| 554 | case GL_TEXTURE_BASE_LEVEL: |
| 555 | case GL_TEXTURE_MAX_LEVEL: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 556 | case GL_GENERATE_MIPMAP_SGIS: |
| 557 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 558 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 559 | case GL_DEPTH_TEXTURE_MODE_ARB: |
Dave Airlie | edc2dd8 | 2011-01-13 12:12:21 +1000 | [diff] [blame^] | 560 | case GL_TEXTURE_SRGB_DECODE_EXT: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 561 | { |
| 562 | /* convert float param to int */ |
Vinson Lee | a201dfb | 2009-11-29 18:18:23 -0500 | [diff] [blame] | 563 | GLint p[4]; |
| 564 | p[0] = (GLint) param; |
| 565 | p[1] = p[2] = p[3] = 0; |
| 566 | need_update = set_tex_parameteri(ctx, texObj, pname, p); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 567 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 568 | break; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 569 | default: |
Vinson Lee | 270d36d | 2009-11-29 21:17:44 -0500 | [diff] [blame] | 570 | { |
| 571 | /* this will generate an error if pname is illegal */ |
| 572 | GLfloat p[4]; |
| 573 | p[0] = param; |
| 574 | p[1] = p[2] = p[3] = 0.0F; |
| 575 | need_update = set_tex_parameterf(ctx, texObj, pname, p); |
| 576 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 577 | } |
| 578 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 579 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 580 | ctx->Driver.TexParameter(ctx, target, texObj, pname, ¶m); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 581 | } |
| 582 | } |
| 583 | |
| 584 | |
| 585 | void GLAPIENTRY |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 586 | _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 587 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 588 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 589 | struct gl_texture_object *texObj; |
| 590 | GET_CURRENT_CONTEXT(ctx); |
| 591 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 592 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 593 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 594 | if (!texObj) |
| 595 | return; |
| 596 | |
| 597 | switch (pname) { |
| 598 | case GL_TEXTURE_MIN_FILTER: |
| 599 | case GL_TEXTURE_MAG_FILTER: |
| 600 | case GL_TEXTURE_WRAP_S: |
| 601 | case GL_TEXTURE_WRAP_T: |
| 602 | case GL_TEXTURE_WRAP_R: |
| 603 | case GL_TEXTURE_BASE_LEVEL: |
| 604 | case GL_TEXTURE_MAX_LEVEL: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 605 | case GL_GENERATE_MIPMAP_SGIS: |
| 606 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 607 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 608 | case GL_DEPTH_TEXTURE_MODE_ARB: |
Dave Airlie | edc2dd8 | 2011-01-13 12:12:21 +1000 | [diff] [blame^] | 609 | case GL_TEXTURE_SRGB_DECODE_EXT: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 610 | { |
| 611 | /* convert float param to int */ |
Vinson Lee | d88f3b9 | 2009-12-08 14:31:38 -0800 | [diff] [blame] | 612 | GLint p[4]; |
| 613 | p[0] = (GLint) params[0]; |
| 614 | p[1] = p[2] = p[3] = 0; |
| 615 | need_update = set_tex_parameteri(ctx, texObj, pname, p); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 616 | } |
| 617 | break; |
| 618 | |
Chia-I Wu | 066477a | 2010-03-30 13:13:20 +0800 | [diff] [blame] | 619 | #if FEATURE_OES_draw_texture |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 620 | case GL_TEXTURE_CROP_RECT_OES: |
| 621 | { |
| 622 | /* convert float params to int */ |
| 623 | GLint iparams[4]; |
| 624 | iparams[0] = (GLint) params[0]; |
| 625 | iparams[1] = (GLint) params[1]; |
| 626 | iparams[2] = (GLint) params[2]; |
| 627 | iparams[3] = (GLint) params[3]; |
Chia-I Wu | 9927d7f | 2009-10-02 15:32:04 +0800 | [diff] [blame] | 628 | need_update = set_tex_parameteri(ctx, texObj, pname, iparams); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 629 | } |
| 630 | break; |
| 631 | #endif |
| 632 | |
| 633 | default: |
| 634 | /* this will generate an error if pname is illegal */ |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 635 | need_update = set_tex_parameterf(ctx, texObj, pname, params); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 636 | } |
| 637 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 638 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 639 | ctx->Driver.TexParameter(ctx, target, texObj, pname, params); |
| 640 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 641 | } |
| 642 | |
| 643 | |
| 644 | void GLAPIENTRY |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 645 | _mesa_TexParameteri(GLenum target, GLenum pname, GLint param) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 646 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 647 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 648 | struct gl_texture_object *texObj; |
| 649 | GET_CURRENT_CONTEXT(ctx); |
| 650 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 651 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 652 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 653 | if (!texObj) |
| 654 | return; |
| 655 | |
| 656 | switch (pname) { |
| 657 | case GL_TEXTURE_MIN_LOD: |
| 658 | case GL_TEXTURE_MAX_LOD: |
| 659 | case GL_TEXTURE_PRIORITY: |
| 660 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 661 | case GL_TEXTURE_LOD_BIAS: |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 662 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 663 | { |
Vinson Lee | a1d46fb | 2009-12-08 15:42:13 -0800 | [diff] [blame] | 664 | GLfloat fparam[4]; |
| 665 | fparam[0] = (GLfloat) param; |
| 666 | fparam[1] = fparam[2] = fparam[3] = 0.0F; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 667 | /* convert int param to float */ |
Vinson Lee | a1d46fb | 2009-12-08 15:42:13 -0800 | [diff] [blame] | 668 | need_update = set_tex_parameterf(ctx, texObj, pname, fparam); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 669 | } |
| 670 | break; |
| 671 | default: |
| 672 | /* this will generate an error if pname is illegal */ |
Vinson Lee | 3f7c2ac | 2009-12-08 17:25:05 -0800 | [diff] [blame] | 673 | { |
| 674 | GLint iparam[4]; |
| 675 | iparam[0] = param; |
| 676 | iparam[1] = iparam[2] = iparam[3] = 0; |
| 677 | need_update = set_tex_parameteri(ctx, texObj, pname, iparam); |
| 678 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 679 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 680 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 681 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 682 | GLfloat fparam = (GLfloat) param; |
| 683 | ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam); |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 684 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 685 | } |
| 686 | |
| 687 | |
| 688 | void GLAPIENTRY |
| 689 | _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params) |
| 690 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 691 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 692 | struct gl_texture_object *texObj; |
| 693 | GET_CURRENT_CONTEXT(ctx); |
| 694 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 695 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 696 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 697 | if (!texObj) |
| 698 | return; |
| 699 | |
| 700 | switch (pname) { |
| 701 | case GL_TEXTURE_BORDER_COLOR: |
| 702 | { |
| 703 | /* convert int params to float */ |
| 704 | GLfloat fparams[4]; |
| 705 | fparams[0] = INT_TO_FLOAT(params[0]); |
| 706 | fparams[1] = INT_TO_FLOAT(params[1]); |
| 707 | fparams[2] = INT_TO_FLOAT(params[2]); |
| 708 | fparams[3] = INT_TO_FLOAT(params[3]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 709 | need_update = set_tex_parameterf(ctx, texObj, pname, fparams); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 710 | } |
| 711 | break; |
| 712 | case GL_TEXTURE_MIN_LOD: |
| 713 | case GL_TEXTURE_MAX_LOD: |
| 714 | case GL_TEXTURE_PRIORITY: |
| 715 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 716 | case GL_TEXTURE_LOD_BIAS: |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 717 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 718 | { |
| 719 | /* convert int param to float */ |
Vinson Lee | dcb4a37 | 2009-12-10 12:11:09 -0800 | [diff] [blame] | 720 | GLfloat fparams[4]; |
| 721 | fparams[0] = (GLfloat) params[0]; |
| 722 | fparams[1] = fparams[2] = fparams[3] = 0.0F; |
| 723 | need_update = set_tex_parameterf(ctx, texObj, pname, fparams); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 724 | } |
| 725 | break; |
| 726 | default: |
| 727 | /* this will generate an error if pname is illegal */ |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 728 | need_update = set_tex_parameteri(ctx, texObj, pname, params); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 729 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 730 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 731 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 732 | GLfloat fparams[4]; |
| 733 | fparams[0] = INT_TO_FLOAT(params[0]); |
| 734 | if (pname == GL_TEXTURE_BORDER_COLOR || |
| 735 | pname == GL_TEXTURE_CROP_RECT_OES) { |
| 736 | fparams[1] = INT_TO_FLOAT(params[1]); |
| 737 | fparams[2] = INT_TO_FLOAT(params[2]); |
| 738 | fparams[3] = INT_TO_FLOAT(params[3]); |
| 739 | } |
| 740 | ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams); |
| 741 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | |
Brian Paul | 7836a96 | 2010-01-04 20:00:00 -0700 | [diff] [blame] | 745 | /** |
| 746 | * Set tex parameter to integer value(s). Primarily intended to set |
| 747 | * integer-valued texture border color (for integer-valued textures). |
| 748 | * New in GL 3.0. |
| 749 | */ |
| 750 | void GLAPIENTRY |
| 751 | _mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params) |
| 752 | { |
| 753 | struct gl_texture_object *texObj; |
| 754 | GET_CURRENT_CONTEXT(ctx); |
| 755 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 756 | |
| 757 | texObj = get_texobj(ctx, target, GL_FALSE); |
| 758 | if (!texObj) |
| 759 | return; |
| 760 | |
| 761 | switch (pname) { |
| 762 | case GL_TEXTURE_BORDER_COLOR: |
| 763 | FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| 764 | /* set the integer-valued border color */ |
| 765 | COPY_4V(texObj->BorderColor.i, params); |
| 766 | break; |
| 767 | default: |
| 768 | _mesa_TexParameteriv(target, pname, params); |
| 769 | break; |
| 770 | } |
| 771 | /* XXX no driver hook for TexParameterIiv() yet */ |
| 772 | } |
| 773 | |
| 774 | |
| 775 | /** |
| 776 | * Set tex parameter to unsigned integer value(s). Primarily intended to set |
| 777 | * uint-valued texture border color (for integer-valued textures). |
| 778 | * New in GL 3.0 |
| 779 | */ |
| 780 | void GLAPIENTRY |
| 781 | _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params) |
| 782 | { |
| 783 | struct gl_texture_object *texObj; |
| 784 | GET_CURRENT_CONTEXT(ctx); |
| 785 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 786 | |
| 787 | texObj = get_texobj(ctx, target, GL_FALSE); |
| 788 | if (!texObj) |
| 789 | return; |
| 790 | |
| 791 | switch (pname) { |
| 792 | case GL_TEXTURE_BORDER_COLOR: |
| 793 | FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| 794 | /* set the unsigned integer-valued border color */ |
| 795 | COPY_4V(texObj->BorderColor.ui, params); |
| 796 | break; |
| 797 | default: |
| 798 | _mesa_TexParameteriv(target, pname, (const GLint *) params); |
| 799 | break; |
| 800 | } |
| 801 | /* XXX no driver hook for TexParameterIuiv() yet */ |
| 802 | } |
| 803 | |
| 804 | |
| 805 | |
| 806 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 807 | void GLAPIENTRY |
| 808 | _mesa_GetTexLevelParameterfv( GLenum target, GLint level, |
| 809 | GLenum pname, GLfloat *params ) |
| 810 | { |
| 811 | GLint iparam; |
| 812 | _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); |
| 813 | *params = (GLfloat) iparam; |
| 814 | } |
| 815 | |
| 816 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 817 | void GLAPIENTRY |
| 818 | _mesa_GetTexLevelParameteriv( GLenum target, GLint level, |
| 819 | GLenum pname, GLint *params ) |
| 820 | { |
| 821 | const struct gl_texture_unit *texUnit; |
| 822 | struct gl_texture_object *texObj; |
| 823 | const struct gl_texture_image *img = NULL; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 824 | GLboolean isProxy; |
| 825 | GLint maxLevels; |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 826 | gl_format texFormat; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 827 | GET_CURRENT_CONTEXT(ctx); |
| 828 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 829 | |
Brian Paul | b2a3049 | 2010-02-03 15:47:44 -0700 | [diff] [blame] | 830 | if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 831 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 832 | "glGetTexLevelParameteriv(current unit)"); |
| 833 | return; |
| 834 | } |
| 835 | |
Brian Paul | 6aa7a03 | 2009-08-13 09:55:34 -0600 | [diff] [blame] | 836 | texUnit = _mesa_get_current_tex_unit(ctx); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 837 | |
| 838 | /* this will catch bad target values */ |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 839 | maxLevels = _mesa_max_texture_levels(ctx, target); |
| 840 | if (maxLevels == 0) { |
Brian Paul | 8a9795e | 2009-08-13 10:18:50 -0600 | [diff] [blame] | 841 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 842 | "glGetTexLevelParameter[if]v(target=0x%x)", target); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 843 | return; |
| 844 | } |
| 845 | |
| 846 | if (level < 0 || level >= maxLevels) { |
| 847 | _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); |
| 848 | return; |
| 849 | } |
| 850 | |
| 851 | texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| 852 | _mesa_lock_texture(ctx, texObj); |
| 853 | |
| 854 | img = _mesa_select_tex_image(ctx, texObj, target, level); |
| 855 | if (!img || !img->TexFormat) { |
| 856 | /* undefined texture image */ |
| 857 | if (pname == GL_TEXTURE_COMPONENTS) |
| 858 | *params = 1; |
| 859 | else |
| 860 | *params = 0; |
| 861 | goto out; |
| 862 | } |
| 863 | |
Brian Paul | 1f7c914 | 2009-09-30 20:28:45 -0600 | [diff] [blame] | 864 | texFormat = img->TexFormat; |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 865 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 866 | isProxy = _mesa_is_proxy_texture(target); |
| 867 | |
| 868 | switch (pname) { |
| 869 | case GL_TEXTURE_WIDTH: |
| 870 | *params = img->Width; |
| 871 | break; |
| 872 | case GL_TEXTURE_HEIGHT: |
| 873 | *params = img->Height; |
| 874 | break; |
| 875 | case GL_TEXTURE_DEPTH: |
| 876 | *params = img->Depth; |
| 877 | break; |
| 878 | case GL_TEXTURE_INTERNAL_FORMAT: |
Brian Paul | 1f196b7 | 2009-10-28 21:24:11 -0600 | [diff] [blame] | 879 | if (_mesa_is_format_compressed(img->TexFormat)) { |
Brian Paul | cd62b4f | 2009-10-23 14:40:40 -0600 | [diff] [blame] | 880 | /* need to return the actual compressed format */ |
Brian Paul | 1f196b7 | 2009-10-28 21:24:11 -0600 | [diff] [blame] | 881 | *params = _mesa_compressed_format_to_glenum(ctx, img->TexFormat); |
Brian Paul | cd62b4f | 2009-10-23 14:40:40 -0600 | [diff] [blame] | 882 | } |
| 883 | else { |
| 884 | /* return the user's requested internal format */ |
| 885 | *params = img->InternalFormat; |
| 886 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 887 | break; |
| 888 | case GL_TEXTURE_BORDER: |
| 889 | *params = img->Border; |
| 890 | break; |
| 891 | case GL_TEXTURE_RED_SIZE: |
Ian Romanick | cc6f13d | 2010-09-28 11:17:27 -0700 | [diff] [blame] | 892 | if (img->_BaseFormat == GL_RED) { |
| 893 | *params = _mesa_get_format_bits(texFormat, pname); |
| 894 | break; |
| 895 | } |
| 896 | /* FALLTHROUGH */ |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 897 | case GL_TEXTURE_GREEN_SIZE: |
Ian Romanick | cc6f13d | 2010-09-28 11:17:27 -0700 | [diff] [blame] | 898 | if (img->_BaseFormat == GL_RG) { |
| 899 | *params = _mesa_get_format_bits(texFormat, pname); |
| 900 | break; |
| 901 | } |
| 902 | /* FALLTHROUGH */ |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 903 | case GL_TEXTURE_BLUE_SIZE: |
| 904 | if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 905 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 906 | else |
| 907 | *params = 0; |
| 908 | break; |
| 909 | case GL_TEXTURE_ALPHA_SIZE: |
| 910 | if (img->_BaseFormat == GL_ALPHA || |
| 911 | img->_BaseFormat == GL_LUMINANCE_ALPHA || |
| 912 | img->_BaseFormat == GL_RGBA) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 913 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 914 | else |
| 915 | *params = 0; |
| 916 | break; |
| 917 | case GL_TEXTURE_INTENSITY_SIZE: |
| 918 | if (img->_BaseFormat != GL_INTENSITY) |
| 919 | *params = 0; |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 920 | else { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 921 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 922 | if (*params == 0) { |
| 923 | /* intensity probably stored as rgb texture */ |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 924 | *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE), |
| 925 | _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE)); |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 926 | } |
| 927 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 928 | break; |
| 929 | case GL_TEXTURE_LUMINANCE_SIZE: |
| 930 | if (img->_BaseFormat != GL_LUMINANCE && |
| 931 | img->_BaseFormat != GL_LUMINANCE_ALPHA) |
| 932 | *params = 0; |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 933 | else { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 934 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | 5767a67 | 2009-09-27 20:59:28 -0600 | [diff] [blame] | 935 | if (*params == 0) { |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 936 | /* luminance probably stored as rgb texture */ |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 937 | *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE), |
| 938 | _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE)); |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 939 | } |
| 940 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 941 | break; |
| 942 | case GL_TEXTURE_INDEX_SIZE_EXT: |
| 943 | if (img->_BaseFormat == GL_COLOR_INDEX) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 944 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 945 | else |
| 946 | *params = 0; |
| 947 | break; |
| 948 | case GL_TEXTURE_DEPTH_SIZE_ARB: |
Ian Romanick | 4741dbc | 2008-10-01 15:51:56 -0700 | [diff] [blame] | 949 | if (ctx->Extensions.ARB_depth_texture) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 950 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 951 | else |
| 952 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 953 | "glGetTexLevelParameter[if]v(pname)"); |
| 954 | break; |
| 955 | case GL_TEXTURE_STENCIL_SIZE_EXT: |
Brian Paul | f44638f | 2009-06-29 15:12:36 -0600 | [diff] [blame] | 956 | if (ctx->Extensions.EXT_packed_depth_stencil || |
| 957 | ctx->Extensions.ARB_framebuffer_object) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 958 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 959 | } |
| 960 | else { |
| 961 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 962 | "glGetTexLevelParameter[if]v(pname)"); |
| 963 | } |
| 964 | break; |
Brian Paul | 61753c4 | 2010-03-20 12:04:52 -0600 | [diff] [blame] | 965 | case GL_TEXTURE_SHARED_SIZE: |
| 966 | if (ctx->VersionMajor >= 3) { |
| 967 | /* XXX return number of exponent bits for shared exponent texture |
| 968 | * formats, like GL_RGB9_E5. |
| 969 | */ |
| 970 | *params = 0; |
| 971 | } |
| 972 | else { |
| 973 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 974 | "glGetTexLevelParameter[if]v(pname)"); |
| 975 | } |
| 976 | break; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 977 | |
| 978 | /* GL_ARB_texture_compression */ |
| 979 | case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: |
Brian Paul | b6bdafd | 2009-10-01 16:29:44 -0600 | [diff] [blame] | 980 | if (_mesa_is_format_compressed(img->TexFormat) && !isProxy) { |
Brian Paul | d6ee86c | 2009-10-24 16:49:57 -0600 | [diff] [blame] | 981 | *params = _mesa_format_image_size(texFormat, img->Width, |
| 982 | img->Height, img->Depth); |
Ian Romanick | 33fa5e4 | 2009-01-27 17:36:03 -0800 | [diff] [blame] | 983 | } |
| 984 | else { |
| 985 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 986 | "glGetTexLevelParameter[if]v(pname)"); |
| 987 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 988 | break; |
| 989 | case GL_TEXTURE_COMPRESSED: |
Brian Paul | b6bdafd | 2009-10-01 16:29:44 -0600 | [diff] [blame] | 990 | *params = (GLint) _mesa_is_format_compressed(img->TexFormat); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 991 | break; |
| 992 | |
| 993 | /* GL_ARB_texture_float */ |
| 994 | case GL_TEXTURE_RED_TYPE_ARB: |
| 995 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 996 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ? |
| 997 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 998 | } |
| 999 | else { |
| 1000 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1001 | "glGetTexLevelParameter[if]v(pname)"); |
| 1002 | } |
| 1003 | break; |
| 1004 | case GL_TEXTURE_GREEN_TYPE_ARB: |
| 1005 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1006 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ? |
| 1007 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1008 | } |
| 1009 | else { |
| 1010 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1011 | "glGetTexLevelParameter[if]v(pname)"); |
| 1012 | } |
| 1013 | break; |
| 1014 | case GL_TEXTURE_BLUE_TYPE_ARB: |
| 1015 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1016 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ? |
| 1017 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1018 | } |
| 1019 | else { |
| 1020 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1021 | "glGetTexLevelParameter[if]v(pname)"); |
| 1022 | } |
| 1023 | break; |
| 1024 | case GL_TEXTURE_ALPHA_TYPE_ARB: |
| 1025 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1026 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ? |
| 1027 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1028 | } |
| 1029 | else { |
| 1030 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1031 | "glGetTexLevelParameter[if]v(pname)"); |
| 1032 | } |
| 1033 | break; |
| 1034 | case GL_TEXTURE_LUMINANCE_TYPE_ARB: |
| 1035 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1036 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ? |
| 1037 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1038 | } |
| 1039 | else { |
| 1040 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1041 | "glGetTexLevelParameter[if]v(pname)"); |
| 1042 | } |
| 1043 | break; |
| 1044 | case GL_TEXTURE_INTENSITY_TYPE_ARB: |
| 1045 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1046 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ? |
| 1047 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1048 | } |
| 1049 | else { |
| 1050 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1051 | "glGetTexLevelParameter[if]v(pname)"); |
| 1052 | } |
| 1053 | break; |
| 1054 | case GL_TEXTURE_DEPTH_TYPE_ARB: |
| 1055 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1056 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ? |
| 1057 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1058 | } |
| 1059 | else { |
| 1060 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1061 | "glGetTexLevelParameter[if]v(pname)"); |
| 1062 | } |
| 1063 | break; |
| 1064 | |
| 1065 | default: |
| 1066 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1067 | "glGetTexLevelParameter[if]v(pname)"); |
| 1068 | } |
| 1069 | |
| 1070 | out: |
| 1071 | _mesa_unlock_texture(ctx, texObj); |
| 1072 | } |
| 1073 | |
| 1074 | |
| 1075 | |
| 1076 | void GLAPIENTRY |
| 1077 | _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) |
| 1078 | { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1079 | struct gl_texture_object *obj; |
| 1080 | GLboolean error = GL_FALSE; |
| 1081 | GET_CURRENT_CONTEXT(ctx); |
| 1082 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1083 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 1084 | obj = get_texobj(ctx, target, GL_TRUE); |
| 1085 | if (!obj) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1086 | return; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1087 | |
| 1088 | _mesa_lock_texture(ctx, obj); |
| 1089 | switch (pname) { |
| 1090 | case GL_TEXTURE_MAG_FILTER: |
| 1091 | *params = ENUM_TO_FLOAT(obj->MagFilter); |
| 1092 | break; |
| 1093 | case GL_TEXTURE_MIN_FILTER: |
| 1094 | *params = ENUM_TO_FLOAT(obj->MinFilter); |
| 1095 | break; |
| 1096 | case GL_TEXTURE_WRAP_S: |
| 1097 | *params = ENUM_TO_FLOAT(obj->WrapS); |
| 1098 | break; |
| 1099 | case GL_TEXTURE_WRAP_T: |
| 1100 | *params = ENUM_TO_FLOAT(obj->WrapT); |
| 1101 | break; |
| 1102 | case GL_TEXTURE_WRAP_R: |
| 1103 | *params = ENUM_TO_FLOAT(obj->WrapR); |
| 1104 | break; |
| 1105 | case GL_TEXTURE_BORDER_COLOR: |
Brian Paul | f6c2d1f | 2010-01-04 19:53:28 -0700 | [diff] [blame] | 1106 | params[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F); |
| 1107 | params[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F); |
| 1108 | params[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F); |
| 1109 | params[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1110 | break; |
| 1111 | case GL_TEXTURE_RESIDENT: |
| 1112 | { |
| 1113 | GLboolean resident; |
| 1114 | if (ctx->Driver.IsTextureResident) |
| 1115 | resident = ctx->Driver.IsTextureResident(ctx, obj); |
| 1116 | else |
| 1117 | resident = GL_TRUE; |
| 1118 | *params = ENUM_TO_FLOAT(resident); |
| 1119 | } |
| 1120 | break; |
| 1121 | case GL_TEXTURE_PRIORITY: |
| 1122 | *params = obj->Priority; |
| 1123 | break; |
| 1124 | case GL_TEXTURE_MIN_LOD: |
| 1125 | *params = obj->MinLod; |
| 1126 | break; |
| 1127 | case GL_TEXTURE_MAX_LOD: |
| 1128 | *params = obj->MaxLod; |
| 1129 | break; |
| 1130 | case GL_TEXTURE_BASE_LEVEL: |
| 1131 | *params = (GLfloat) obj->BaseLevel; |
| 1132 | break; |
| 1133 | case GL_TEXTURE_MAX_LEVEL: |
| 1134 | *params = (GLfloat) obj->MaxLevel; |
| 1135 | break; |
| 1136 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1137 | if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
| 1138 | *params = obj->MaxAnisotropy; |
| 1139 | } |
| 1140 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1141 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1142 | break; |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 1143 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 1144 | if (ctx->Extensions.ARB_shadow_ambient) { |
| 1145 | *params = obj->CompareFailValue; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1146 | } |
| 1147 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1148 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1149 | break; |
| 1150 | case GL_GENERATE_MIPMAP_SGIS: |
Ian Romanick | 7f11d47 | 2010-09-27 14:55:52 -0700 | [diff] [blame] | 1151 | *params = (GLfloat) obj->GenerateMipmap; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1152 | break; |
| 1153 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 1154 | if (ctx->Extensions.ARB_shadow) { |
| 1155 | *params = (GLfloat) obj->CompareMode; |
| 1156 | } |
| 1157 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1158 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1159 | break; |
| 1160 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 1161 | if (ctx->Extensions.ARB_shadow) { |
| 1162 | *params = (GLfloat) obj->CompareFunc; |
| 1163 | } |
| 1164 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1165 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1166 | break; |
| 1167 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 1168 | if (ctx->Extensions.ARB_depth_texture) { |
| 1169 | *params = (GLfloat) obj->DepthMode; |
| 1170 | } |
| 1171 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1172 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1173 | break; |
| 1174 | case GL_TEXTURE_LOD_BIAS: |
| 1175 | if (ctx->Extensions.EXT_texture_lod_bias) { |
| 1176 | *params = obj->LodBias; |
| 1177 | } |
| 1178 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1179 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1180 | break; |
Chia-I Wu | 066477a | 2010-03-30 13:13:20 +0800 | [diff] [blame] | 1181 | #if FEATURE_OES_draw_texture |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1182 | case GL_TEXTURE_CROP_RECT_OES: |
| 1183 | params[0] = obj->CropRect[0]; |
Brad King | ee80c64 | 2008-09-26 07:40:05 -0600 | [diff] [blame] | 1184 | params[1] = obj->CropRect[1]; |
| 1185 | params[2] = obj->CropRect[2]; |
| 1186 | params[3] = obj->CropRect[3]; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1187 | break; |
| 1188 | #endif |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1189 | |
| 1190 | case GL_TEXTURE_SWIZZLE_R_EXT: |
| 1191 | case GL_TEXTURE_SWIZZLE_G_EXT: |
| 1192 | case GL_TEXTURE_SWIZZLE_B_EXT: |
| 1193 | case GL_TEXTURE_SWIZZLE_A_EXT: |
| 1194 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1195 | GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| 1196 | *params = (GLfloat) obj->Swizzle[comp]; |
| 1197 | } |
| 1198 | else { |
| 1199 | error = GL_TRUE; |
| 1200 | } |
| 1201 | break; |
| 1202 | |
| 1203 | case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| 1204 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1205 | GLuint comp; |
| 1206 | for (comp = 0; comp < 4; comp++) { |
| 1207 | params[comp] = (GLfloat) obj->Swizzle[comp]; |
| 1208 | } |
| 1209 | } |
| 1210 | else { |
| 1211 | error = GL_TRUE; |
| 1212 | } |
| 1213 | break; |
| 1214 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1215 | default: |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1216 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1217 | break; |
| 1218 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1219 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1220 | if (error) |
| 1221 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", |
| 1222 | pname); |
| 1223 | |
| 1224 | _mesa_unlock_texture(ctx, obj); |
| 1225 | } |
| 1226 | |
| 1227 | |
| 1228 | void GLAPIENTRY |
| 1229 | _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) |
| 1230 | { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1231 | struct gl_texture_object *obj; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1232 | GLboolean error = GL_FALSE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1233 | GET_CURRENT_CONTEXT(ctx); |
| 1234 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1235 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 1236 | obj = get_texobj(ctx, target, GL_TRUE); |
| 1237 | if (!obj) |
| 1238 | return; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1239 | |
Brian Paul | 6d84580 | 2010-01-04 19:05:31 -0700 | [diff] [blame] | 1240 | _mesa_lock_texture(ctx, obj); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1241 | switch (pname) { |
| 1242 | case GL_TEXTURE_MAG_FILTER: |
| 1243 | *params = (GLint) obj->MagFilter; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1244 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1245 | case GL_TEXTURE_MIN_FILTER: |
| 1246 | *params = (GLint) obj->MinFilter; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1247 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1248 | case GL_TEXTURE_WRAP_S: |
| 1249 | *params = (GLint) obj->WrapS; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1250 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1251 | case GL_TEXTURE_WRAP_T: |
| 1252 | *params = (GLint) obj->WrapT; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1253 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1254 | case GL_TEXTURE_WRAP_R: |
| 1255 | *params = (GLint) obj->WrapR; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1256 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1257 | case GL_TEXTURE_BORDER_COLOR: |
| 1258 | { |
| 1259 | GLfloat b[4]; |
Brian Paul | f6c2d1f | 2010-01-04 19:53:28 -0700 | [diff] [blame] | 1260 | b[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F); |
| 1261 | b[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F); |
| 1262 | b[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F); |
| 1263 | b[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1264 | params[0] = FLOAT_TO_INT(b[0]); |
| 1265 | params[1] = FLOAT_TO_INT(b[1]); |
| 1266 | params[2] = FLOAT_TO_INT(b[2]); |
| 1267 | params[3] = FLOAT_TO_INT(b[3]); |
| 1268 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1269 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1270 | case GL_TEXTURE_RESIDENT: |
| 1271 | { |
| 1272 | GLboolean resident; |
| 1273 | if (ctx->Driver.IsTextureResident) |
| 1274 | resident = ctx->Driver.IsTextureResident(ctx, obj); |
| 1275 | else |
| 1276 | resident = GL_TRUE; |
| 1277 | *params = (GLint) resident; |
| 1278 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1279 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1280 | case GL_TEXTURE_PRIORITY: |
| 1281 | *params = FLOAT_TO_INT(obj->Priority); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1282 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1283 | case GL_TEXTURE_MIN_LOD: |
| 1284 | *params = (GLint) obj->MinLod; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1285 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1286 | case GL_TEXTURE_MAX_LOD: |
| 1287 | *params = (GLint) obj->MaxLod; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1288 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1289 | case GL_TEXTURE_BASE_LEVEL: |
| 1290 | *params = obj->BaseLevel; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1291 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1292 | case GL_TEXTURE_MAX_LEVEL: |
| 1293 | *params = obj->MaxLevel; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1294 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1295 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1296 | if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
| 1297 | *params = (GLint) obj->MaxAnisotropy; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1298 | } |
| 1299 | else { |
| 1300 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1301 | } |
| 1302 | break; |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 1303 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 1304 | if (ctx->Extensions.ARB_shadow_ambient) { |
| 1305 | *params = (GLint) FLOAT_TO_INT(obj->CompareFailValue); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1306 | } |
| 1307 | else { |
| 1308 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1309 | } |
| 1310 | break; |
| 1311 | case GL_GENERATE_MIPMAP_SGIS: |
Ian Romanick | 7f11d47 | 2010-09-27 14:55:52 -0700 | [diff] [blame] | 1312 | *params = (GLint) obj->GenerateMipmap; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1313 | break; |
| 1314 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 1315 | if (ctx->Extensions.ARB_shadow) { |
| 1316 | *params = (GLint) obj->CompareMode; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1317 | } |
| 1318 | else { |
| 1319 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1320 | } |
| 1321 | break; |
| 1322 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 1323 | if (ctx->Extensions.ARB_shadow) { |
| 1324 | *params = (GLint) obj->CompareFunc; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1325 | } |
| 1326 | else { |
| 1327 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1328 | } |
| 1329 | break; |
| 1330 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 1331 | if (ctx->Extensions.ARB_depth_texture) { |
| 1332 | *params = (GLint) obj->DepthMode; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1333 | } |
| 1334 | else { |
| 1335 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1336 | } |
| 1337 | break; |
| 1338 | case GL_TEXTURE_LOD_BIAS: |
| 1339 | if (ctx->Extensions.EXT_texture_lod_bias) { |
| 1340 | *params = (GLint) obj->LodBias; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1341 | } |
| 1342 | else { |
| 1343 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1344 | } |
| 1345 | break; |
Chia-I Wu | 066477a | 2010-03-30 13:13:20 +0800 | [diff] [blame] | 1346 | #if FEATURE_OES_draw_texture |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1347 | case GL_TEXTURE_CROP_RECT_OES: |
| 1348 | params[0] = obj->CropRect[0]; |
Brad King | ee80c64 | 2008-09-26 07:40:05 -0600 | [diff] [blame] | 1349 | params[1] = obj->CropRect[1]; |
| 1350 | params[2] = obj->CropRect[2]; |
| 1351 | params[3] = obj->CropRect[3]; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1352 | break; |
| 1353 | #endif |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1354 | case GL_TEXTURE_SWIZZLE_R_EXT: |
| 1355 | case GL_TEXTURE_SWIZZLE_G_EXT: |
| 1356 | case GL_TEXTURE_SWIZZLE_B_EXT: |
| 1357 | case GL_TEXTURE_SWIZZLE_A_EXT: |
| 1358 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1359 | GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| 1360 | *params = obj->Swizzle[comp]; |
| 1361 | } |
| 1362 | else { |
| 1363 | error = GL_TRUE; |
| 1364 | } |
| 1365 | break; |
| 1366 | |
| 1367 | case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| 1368 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1369 | COPY_4V(params, obj->Swizzle); |
| 1370 | } |
| 1371 | else { |
| 1372 | error = GL_TRUE; |
| 1373 | } |
| 1374 | break; |
| 1375 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1376 | default: |
| 1377 | ; /* silence warnings */ |
| 1378 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1379 | |
| 1380 | if (error) |
| 1381 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", |
| 1382 | pname); |
| 1383 | |
| 1384 | _mesa_unlock_texture(ctx, obj); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1385 | } |
Brian Paul | 7836a96 | 2010-01-04 20:00:00 -0700 | [diff] [blame] | 1386 | |
| 1387 | |
| 1388 | /** New in GL 3.0 */ |
| 1389 | void GLAPIENTRY |
| 1390 | _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params) |
| 1391 | { |
| 1392 | struct gl_texture_object *texObj; |
| 1393 | GET_CURRENT_CONTEXT(ctx); |
| 1394 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1395 | |
| 1396 | texObj = get_texobj(ctx, target, GL_TRUE); |
| 1397 | |
| 1398 | switch (pname) { |
| 1399 | case GL_TEXTURE_BORDER_COLOR: |
| 1400 | COPY_4V(params, texObj->BorderColor.i); |
| 1401 | break; |
| 1402 | default: |
| 1403 | _mesa_GetTexParameteriv(target, pname, params); |
| 1404 | } |
| 1405 | } |
| 1406 | |
| 1407 | |
| 1408 | /** New in GL 3.0 */ |
| 1409 | void GLAPIENTRY |
| 1410 | _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params) |
| 1411 | { |
| 1412 | struct gl_texture_object *texObj; |
| 1413 | GET_CURRENT_CONTEXT(ctx); |
| 1414 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1415 | |
| 1416 | texObj = get_texobj(ctx, target, GL_TRUE); |
| 1417 | |
| 1418 | switch (pname) { |
| 1419 | case GL_TEXTURE_BORDER_COLOR: |
| 1420 | COPY_4V(params, texObj->BorderColor.i); |
| 1421 | break; |
| 1422 | default: |
| 1423 | { |
| 1424 | GLint ip[4]; |
| 1425 | _mesa_GetTexParameteriv(target, pname, ip); |
| 1426 | params[0] = ip[0]; |
| 1427 | if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT || |
| 1428 | pname == GL_TEXTURE_CROP_RECT_OES) { |
| 1429 | params[1] = ip[1]; |
| 1430 | params[2] = ip[2]; |
| 1431 | params[3] = ip[3]; |
| 1432 | } |
| 1433 | } |
| 1434 | } |
| 1435 | } |