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