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