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 | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 42 | #include "shader/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: |
| 294 | if (ctx->Extensions.SGIS_generate_mipmap) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 295 | if (texObj->GenerateMipmap != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 296 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 297 | texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 298 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 299 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 300 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 301 | } |
| 302 | else { |
| 303 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 304 | "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)"); |
| 305 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 306 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 307 | |
| 308 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 309 | if (ctx->Extensions.ARB_shadow && |
| 310 | (params[0] == GL_NONE || |
| 311 | params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 312 | if (texObj->CompareMode != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 313 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 314 | texObj->CompareMode = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 315 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 316 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 317 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 318 | } |
| 319 | else { |
| 320 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 321 | "glTexParameter(GL_TEXTURE_COMPARE_MODE_ARB)"); |
| 322 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 323 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 324 | |
| 325 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 326 | if (ctx->Extensions.ARB_shadow) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 327 | if (texObj->CompareFunc == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 328 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 329 | switch (params[0]) { |
| 330 | case GL_LEQUAL: |
| 331 | case GL_GEQUAL: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 332 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 333 | texObj->CompareFunc = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 334 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 335 | case GL_EQUAL: |
| 336 | case GL_NOTEQUAL: |
| 337 | case GL_LESS: |
| 338 | case GL_GREATER: |
| 339 | case GL_ALWAYS: |
| 340 | case GL_NEVER: |
| 341 | if (ctx->Extensions.EXT_shadow_funcs) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 342 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 343 | texObj->CompareFunc = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 344 | return GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 345 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 346 | /* fall-through */ |
| 347 | default: |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 348 | _mesa_error(ctx, GL_INVALID_ENUM, |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 349 | "glTexParameter(GL_TEXTURE_COMPARE_FUNC_ARB)"); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 350 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 351 | } |
| 352 | else { |
Brian Paul | 1d00399 | 2009-04-23 17:54:34 -0600 | [diff] [blame] | 353 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 354 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 355 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 356 | |
| 357 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 358 | if (ctx->Extensions.ARB_depth_texture && |
| 359 | (params[0] == GL_LUMINANCE || |
| 360 | params[0] == GL_INTENSITY || |
| 361 | params[0] == GL_ALPHA)) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 362 | if (texObj->DepthMode != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 363 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 364 | texObj->DepthMode = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 365 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 366 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 367 | } |
| 368 | else { |
| 369 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 370 | "glTexParameter(GL_DEPTH_TEXTURE_MODE_ARB)"); |
| 371 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 372 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 373 | |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 374 | #ifdef FEATURE_OES_draw_texture |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 375 | case GL_TEXTURE_CROP_RECT_OES: |
| 376 | texObj->CropRect[0] = params[0]; |
| 377 | texObj->CropRect[1] = params[1]; |
| 378 | texObj->CropRect[2] = params[2]; |
| 379 | texObj->CropRect[3] = params[3]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 380 | return GL_TRUE; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 381 | #endif |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 382 | |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 383 | case GL_TEXTURE_SWIZZLE_R_EXT: |
| 384 | case GL_TEXTURE_SWIZZLE_G_EXT: |
| 385 | case GL_TEXTURE_SWIZZLE_B_EXT: |
| 386 | case GL_TEXTURE_SWIZZLE_A_EXT: |
| 387 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 388 | const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| 389 | const GLint swz = comp_to_swizzle(params[0]); |
Brian Paul | 72f0b4a | 2009-01-28 10:44:04 -0700 | [diff] [blame] | 390 | if (swz < 0) { |
| 391 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 392 | "glTexParameter(swizzle 0x%x)", params[0]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 393 | return GL_FALSE; |
Brian Paul | 72f0b4a | 2009-01-28 10:44:04 -0700 | [diff] [blame] | 394 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 395 | ASSERT(comp < 4); |
| 396 | if (swz >= 0) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 397 | flush(ctx, texObj); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 398 | texObj->Swizzle[comp] = params[0]; |
| 399 | set_swizzle_component(&texObj->_Swizzle, comp, swz); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 400 | return GL_TRUE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 401 | } |
| 402 | } |
| 403 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 404 | return GL_FALSE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 405 | |
| 406 | case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| 407 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 408 | GLuint comp; |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 409 | flush(ctx, texObj); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 410 | for (comp = 0; comp < 4; comp++) { |
| 411 | const GLint swz = comp_to_swizzle(params[comp]); |
| 412 | if (swz >= 0) { |
| 413 | texObj->Swizzle[comp] = params[comp]; |
| 414 | set_swizzle_component(&texObj->_Swizzle, comp, swz); |
| 415 | } |
| 416 | else { |
Brian Paul | 72f0b4a | 2009-01-28 10:44:04 -0700 | [diff] [blame] | 417 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 418 | "glTexParameter(swizzle 0x%x)", params[comp]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 419 | return GL_FALSE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 420 | } |
| 421 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 422 | return GL_TRUE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 423 | } |
| 424 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 425 | return GL_FALSE; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 426 | |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 427 | default: |
| 428 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
| 429 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 430 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 434 | /** |
| 435 | * Set a float-valued texture parameter |
| 436 | * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise |
| 437 | */ |
| 438 | static GLboolean |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 439 | set_tex_parameterf(GLcontext *ctx, |
| 440 | struct gl_texture_object *texObj, |
| 441 | GLenum pname, const GLfloat *params) |
| 442 | { |
| 443 | switch (pname) { |
| 444 | case GL_TEXTURE_MIN_LOD: |
| 445 | if (texObj->MinLod == 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->MinLod = 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_MAX_LOD: |
| 452 | if (texObj->MaxLod == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 453 | return GL_FALSE; |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 454 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 455 | texObj->MaxLod = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 456 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 457 | |
| 458 | case GL_TEXTURE_PRIORITY: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 459 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 460 | texObj->Priority = CLAMP(params[0], 0.0F, 1.0F); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 461 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 462 | |
| 463 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 464 | if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 465 | if (texObj->MaxAnisotropy == params[0]) |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 466 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 467 | if (params[0] < 1.0) { |
| 468 | _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 469 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 470 | } |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 471 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 472 | /* clamp to max, that's what NVIDIA does */ |
| 473 | texObj->MaxAnisotropy = MIN2(params[0], |
| 474 | ctx->Const.MaxTextureMaxAnisotropy); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 475 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 476 | } |
| 477 | else { |
Brian Paul | 74bec42 | 2009-05-06 09:01:47 -0600 | [diff] [blame] | 478 | static GLuint count = 0; |
| 479 | if (count++ < 10) |
| 480 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 481 | "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)"); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 482 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 483 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 484 | |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 485 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 486 | if (ctx->Extensions.ARB_shadow_ambient) { |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 487 | if (texObj->CompareFailValue != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 488 | flush(ctx, texObj); |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 489 | texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 490 | return GL_TRUE; |
Brian Paul | 37c768b | 2009-02-09 13:50:36 -0700 | [diff] [blame] | 491 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 492 | } |
| 493 | else { |
| 494 | _mesa_error(ctx, GL_INVALID_ENUM, |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 495 | "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)"); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 496 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 497 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 498 | |
| 499 | case GL_TEXTURE_LOD_BIAS: |
| 500 | /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */ |
| 501 | if (ctx->Extensions.EXT_texture_lod_bias) { |
| 502 | if (texObj->LodBias != params[0]) { |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 503 | flush(ctx, texObj); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 504 | texObj->LodBias = params[0]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 505 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 506 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 507 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 508 | } |
| 509 | break; |
| 510 | |
| 511 | case GL_TEXTURE_BORDER_COLOR: |
Brian Paul | aad3f54 | 2009-02-09 13:58:32 -0700 | [diff] [blame] | 512 | flush(ctx, texObj); |
Brian Paul | 7836a96 | 2010-01-04 20:00:00 -0700 | [diff] [blame] | 513 | texObj->BorderColor.f[RCOMP] = params[0]; |
| 514 | texObj->BorderColor.f[GCOMP] = params[1]; |
| 515 | texObj->BorderColor.f[BCOMP] = params[2]; |
| 516 | texObj->BorderColor.f[ACOMP] = params[3]; |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 517 | return GL_TRUE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 518 | |
| 519 | default: |
| 520 | _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); |
| 521 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 522 | return GL_FALSE; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | |
| 526 | void GLAPIENTRY |
| 527 | _mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param) |
| 528 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 529 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 530 | struct gl_texture_object *texObj; |
| 531 | GET_CURRENT_CONTEXT(ctx); |
| 532 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 533 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 534 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 535 | if (!texObj) |
| 536 | return; |
| 537 | |
| 538 | switch (pname) { |
| 539 | case GL_TEXTURE_MIN_FILTER: |
| 540 | case GL_TEXTURE_MAG_FILTER: |
| 541 | case GL_TEXTURE_WRAP_S: |
| 542 | case GL_TEXTURE_WRAP_T: |
| 543 | case GL_TEXTURE_WRAP_R: |
| 544 | case GL_TEXTURE_BASE_LEVEL: |
| 545 | case GL_TEXTURE_MAX_LEVEL: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 546 | case GL_GENERATE_MIPMAP_SGIS: |
| 547 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 548 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 549 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 550 | { |
| 551 | /* convert float param to int */ |
Vinson Lee | a201dfb | 2009-11-29 18:18:23 -0500 | [diff] [blame] | 552 | GLint p[4]; |
| 553 | p[0] = (GLint) param; |
| 554 | p[1] = p[2] = p[3] = 0; |
| 555 | need_update = set_tex_parameteri(ctx, texObj, pname, p); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 556 | } |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 557 | break; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 558 | default: |
Vinson Lee | 270d36d | 2009-11-29 21:17:44 -0500 | [diff] [blame] | 559 | { |
| 560 | /* this will generate an error if pname is illegal */ |
| 561 | GLfloat p[4]; |
| 562 | p[0] = param; |
| 563 | p[1] = p[2] = p[3] = 0.0F; |
| 564 | need_update = set_tex_parameterf(ctx, texObj, pname, p); |
| 565 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 566 | } |
| 567 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 568 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 569 | ctx->Driver.TexParameter(ctx, target, texObj, pname, ¶m); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 570 | } |
| 571 | } |
| 572 | |
| 573 | |
| 574 | void GLAPIENTRY |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 575 | _mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 576 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 577 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 578 | struct gl_texture_object *texObj; |
| 579 | GET_CURRENT_CONTEXT(ctx); |
| 580 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 581 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 582 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 583 | if (!texObj) |
| 584 | return; |
| 585 | |
| 586 | switch (pname) { |
| 587 | case GL_TEXTURE_MIN_FILTER: |
| 588 | case GL_TEXTURE_MAG_FILTER: |
| 589 | case GL_TEXTURE_WRAP_S: |
| 590 | case GL_TEXTURE_WRAP_T: |
| 591 | case GL_TEXTURE_WRAP_R: |
| 592 | case GL_TEXTURE_BASE_LEVEL: |
| 593 | case GL_TEXTURE_MAX_LEVEL: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 594 | case GL_GENERATE_MIPMAP_SGIS: |
| 595 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 596 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 597 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 598 | { |
| 599 | /* convert float param to int */ |
Vinson Lee | d88f3b9 | 2009-12-08 14:31:38 -0800 | [diff] [blame] | 600 | GLint p[4]; |
| 601 | p[0] = (GLint) params[0]; |
| 602 | p[1] = p[2] = p[3] = 0; |
| 603 | need_update = set_tex_parameteri(ctx, texObj, pname, p); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 604 | } |
| 605 | break; |
| 606 | |
| 607 | #ifdef FEATURE_OES_draw_texture |
| 608 | case GL_TEXTURE_CROP_RECT_OES: |
| 609 | { |
| 610 | /* convert float params to int */ |
| 611 | GLint iparams[4]; |
| 612 | iparams[0] = (GLint) params[0]; |
| 613 | iparams[1] = (GLint) params[1]; |
| 614 | iparams[2] = (GLint) params[2]; |
| 615 | iparams[3] = (GLint) params[3]; |
Chia-I Wu | 9927d7f | 2009-10-02 15:32:04 +0800 | [diff] [blame] | 616 | need_update = set_tex_parameteri(ctx, texObj, pname, iparams); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 617 | } |
| 618 | break; |
| 619 | #endif |
| 620 | |
| 621 | default: |
| 622 | /* this will generate an error if pname is illegal */ |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 623 | need_update = set_tex_parameterf(ctx, texObj, pname, params); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 624 | } |
| 625 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 626 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 627 | ctx->Driver.TexParameter(ctx, target, texObj, pname, params); |
| 628 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | |
| 632 | void GLAPIENTRY |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 633 | _mesa_TexParameteri(GLenum target, GLenum pname, GLint param) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 634 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 635 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 636 | struct gl_texture_object *texObj; |
| 637 | GET_CURRENT_CONTEXT(ctx); |
| 638 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 639 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 640 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 641 | if (!texObj) |
| 642 | return; |
| 643 | |
| 644 | switch (pname) { |
| 645 | case GL_TEXTURE_MIN_LOD: |
| 646 | case GL_TEXTURE_MAX_LOD: |
| 647 | case GL_TEXTURE_PRIORITY: |
| 648 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 649 | case GL_TEXTURE_LOD_BIAS: |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 650 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 651 | { |
Vinson Lee | a1d46fb | 2009-12-08 15:42:13 -0800 | [diff] [blame] | 652 | GLfloat fparam[4]; |
| 653 | fparam[0] = (GLfloat) param; |
| 654 | fparam[1] = fparam[2] = fparam[3] = 0.0F; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 655 | /* convert int param to float */ |
Vinson Lee | a1d46fb | 2009-12-08 15:42:13 -0800 | [diff] [blame] | 656 | need_update = set_tex_parameterf(ctx, texObj, pname, fparam); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 657 | } |
| 658 | break; |
| 659 | default: |
| 660 | /* this will generate an error if pname is illegal */ |
Vinson Lee | 3f7c2ac | 2009-12-08 17:25:05 -0800 | [diff] [blame] | 661 | { |
| 662 | GLint iparam[4]; |
| 663 | iparam[0] = param; |
| 664 | iparam[1] = iparam[2] = iparam[3] = 0; |
| 665 | need_update = set_tex_parameteri(ctx, texObj, pname, iparam); |
| 666 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 667 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 668 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 669 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 670 | GLfloat fparam = (GLfloat) param; |
| 671 | ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam); |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 672 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | |
| 676 | void GLAPIENTRY |
| 677 | _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params) |
| 678 | { |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 679 | GLboolean need_update; |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 680 | struct gl_texture_object *texObj; |
| 681 | GET_CURRENT_CONTEXT(ctx); |
| 682 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 683 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 684 | texObj = get_texobj(ctx, target, GL_FALSE); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 685 | if (!texObj) |
| 686 | return; |
| 687 | |
| 688 | switch (pname) { |
| 689 | case GL_TEXTURE_BORDER_COLOR: |
| 690 | { |
| 691 | /* convert int params to float */ |
| 692 | GLfloat fparams[4]; |
| 693 | fparams[0] = INT_TO_FLOAT(params[0]); |
| 694 | fparams[1] = INT_TO_FLOAT(params[1]); |
| 695 | fparams[2] = INT_TO_FLOAT(params[2]); |
| 696 | fparams[3] = INT_TO_FLOAT(params[3]); |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 697 | need_update = set_tex_parameterf(ctx, texObj, pname, fparams); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 698 | } |
| 699 | break; |
| 700 | case GL_TEXTURE_MIN_LOD: |
| 701 | case GL_TEXTURE_MAX_LOD: |
| 702 | case GL_TEXTURE_PRIORITY: |
| 703 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 704 | case GL_TEXTURE_LOD_BIAS: |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 705 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 706 | { |
| 707 | /* convert int param to float */ |
Vinson Lee | dcb4a37 | 2009-12-10 12:11:09 -0800 | [diff] [blame] | 708 | GLfloat fparams[4]; |
| 709 | fparams[0] = (GLfloat) params[0]; |
| 710 | fparams[1] = fparams[2] = fparams[3] = 0.0F; |
| 711 | need_update = set_tex_parameterf(ctx, texObj, pname, fparams); |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 712 | } |
| 713 | break; |
| 714 | default: |
| 715 | /* this will generate an error if pname is illegal */ |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 716 | need_update = set_tex_parameteri(ctx, texObj, pname, params); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 717 | } |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 718 | |
Roland Scheidegger | ebc1478 | 2009-04-02 23:38:34 +0200 | [diff] [blame] | 719 | if (ctx->Driver.TexParameter && need_update) { |
Brian Paul | 318e53a | 2009-01-27 11:07:21 -0700 | [diff] [blame] | 720 | GLfloat fparams[4]; |
| 721 | fparams[0] = INT_TO_FLOAT(params[0]); |
| 722 | if (pname == GL_TEXTURE_BORDER_COLOR || |
| 723 | pname == GL_TEXTURE_CROP_RECT_OES) { |
| 724 | fparams[1] = INT_TO_FLOAT(params[1]); |
| 725 | fparams[2] = INT_TO_FLOAT(params[2]); |
| 726 | fparams[3] = INT_TO_FLOAT(params[3]); |
| 727 | } |
| 728 | ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams); |
| 729 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 730 | } |
| 731 | |
| 732 | |
Brian Paul | 7836a96 | 2010-01-04 20:00:00 -0700 | [diff] [blame] | 733 | /** |
| 734 | * Set tex parameter to integer value(s). Primarily intended to set |
| 735 | * integer-valued texture border color (for integer-valued textures). |
| 736 | * New in GL 3.0. |
| 737 | */ |
| 738 | void GLAPIENTRY |
| 739 | _mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params) |
| 740 | { |
| 741 | struct gl_texture_object *texObj; |
| 742 | GET_CURRENT_CONTEXT(ctx); |
| 743 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 744 | |
| 745 | texObj = get_texobj(ctx, target, GL_FALSE); |
| 746 | if (!texObj) |
| 747 | return; |
| 748 | |
| 749 | switch (pname) { |
| 750 | case GL_TEXTURE_BORDER_COLOR: |
| 751 | FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| 752 | /* set the integer-valued border color */ |
| 753 | COPY_4V(texObj->BorderColor.i, params); |
| 754 | break; |
| 755 | default: |
| 756 | _mesa_TexParameteriv(target, pname, params); |
| 757 | break; |
| 758 | } |
| 759 | /* XXX no driver hook for TexParameterIiv() yet */ |
| 760 | } |
| 761 | |
| 762 | |
| 763 | /** |
| 764 | * Set tex parameter to unsigned integer value(s). Primarily intended to set |
| 765 | * uint-valued texture border color (for integer-valued textures). |
| 766 | * New in GL 3.0 |
| 767 | */ |
| 768 | void GLAPIENTRY |
| 769 | _mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params) |
| 770 | { |
| 771 | struct gl_texture_object *texObj; |
| 772 | GET_CURRENT_CONTEXT(ctx); |
| 773 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 774 | |
| 775 | texObj = get_texobj(ctx, target, GL_FALSE); |
| 776 | if (!texObj) |
| 777 | return; |
| 778 | |
| 779 | switch (pname) { |
| 780 | case GL_TEXTURE_BORDER_COLOR: |
| 781 | FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| 782 | /* set the unsigned integer-valued border color */ |
| 783 | COPY_4V(texObj->BorderColor.ui, params); |
| 784 | break; |
| 785 | default: |
| 786 | _mesa_TexParameteriv(target, pname, (const GLint *) params); |
| 787 | break; |
| 788 | } |
| 789 | /* XXX no driver hook for TexParameterIuiv() yet */ |
| 790 | } |
| 791 | |
| 792 | |
| 793 | |
| 794 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 795 | void GLAPIENTRY |
| 796 | _mesa_GetTexLevelParameterfv( GLenum target, GLint level, |
| 797 | GLenum pname, GLfloat *params ) |
| 798 | { |
| 799 | GLint iparam; |
| 800 | _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); |
| 801 | *params = (GLfloat) iparam; |
| 802 | } |
| 803 | |
| 804 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 805 | void GLAPIENTRY |
| 806 | _mesa_GetTexLevelParameteriv( GLenum target, GLint level, |
| 807 | GLenum pname, GLint *params ) |
| 808 | { |
| 809 | const struct gl_texture_unit *texUnit; |
| 810 | struct gl_texture_object *texObj; |
| 811 | const struct gl_texture_image *img = NULL; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 812 | GLboolean isProxy; |
| 813 | GLint maxLevels; |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 814 | gl_format texFormat; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 815 | GET_CURRENT_CONTEXT(ctx); |
| 816 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 817 | |
Brian Paul | b2a3049 | 2010-02-03 15:47:44 -0700 | [diff] [blame^] | 818 | if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 819 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 820 | "glGetTexLevelParameteriv(current unit)"); |
| 821 | return; |
| 822 | } |
| 823 | |
Brian Paul | 6aa7a03 | 2009-08-13 09:55:34 -0600 | [diff] [blame] | 824 | texUnit = _mesa_get_current_tex_unit(ctx); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 825 | |
| 826 | /* this will catch bad target values */ |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 827 | maxLevels = _mesa_max_texture_levels(ctx, target); |
| 828 | if (maxLevels == 0) { |
Brian Paul | 8a9795e | 2009-08-13 10:18:50 -0600 | [diff] [blame] | 829 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 830 | "glGetTexLevelParameter[if]v(target=0x%x)", target); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 831 | return; |
| 832 | } |
| 833 | |
| 834 | if (level < 0 || level >= maxLevels) { |
| 835 | _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); |
| 836 | return; |
| 837 | } |
| 838 | |
| 839 | texObj = _mesa_select_tex_object(ctx, texUnit, target); |
| 840 | _mesa_lock_texture(ctx, texObj); |
| 841 | |
| 842 | img = _mesa_select_tex_image(ctx, texObj, target, level); |
| 843 | if (!img || !img->TexFormat) { |
| 844 | /* undefined texture image */ |
| 845 | if (pname == GL_TEXTURE_COMPONENTS) |
| 846 | *params = 1; |
| 847 | else |
| 848 | *params = 0; |
| 849 | goto out; |
| 850 | } |
| 851 | |
Brian Paul | 1f7c914 | 2009-09-30 20:28:45 -0600 | [diff] [blame] | 852 | texFormat = img->TexFormat; |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 853 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 854 | isProxy = _mesa_is_proxy_texture(target); |
| 855 | |
| 856 | switch (pname) { |
| 857 | case GL_TEXTURE_WIDTH: |
| 858 | *params = img->Width; |
| 859 | break; |
| 860 | case GL_TEXTURE_HEIGHT: |
| 861 | *params = img->Height; |
| 862 | break; |
| 863 | case GL_TEXTURE_DEPTH: |
| 864 | *params = img->Depth; |
| 865 | break; |
| 866 | case GL_TEXTURE_INTERNAL_FORMAT: |
Brian Paul | 1f196b7 | 2009-10-28 21:24:11 -0600 | [diff] [blame] | 867 | if (_mesa_is_format_compressed(img->TexFormat)) { |
Brian Paul | cd62b4f | 2009-10-23 14:40:40 -0600 | [diff] [blame] | 868 | /* need to return the actual compressed format */ |
Brian Paul | 1f196b7 | 2009-10-28 21:24:11 -0600 | [diff] [blame] | 869 | *params = _mesa_compressed_format_to_glenum(ctx, img->TexFormat); |
Brian Paul | cd62b4f | 2009-10-23 14:40:40 -0600 | [diff] [blame] | 870 | } |
| 871 | else { |
| 872 | /* return the user's requested internal format */ |
| 873 | *params = img->InternalFormat; |
| 874 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 875 | break; |
| 876 | case GL_TEXTURE_BORDER: |
| 877 | *params = img->Border; |
| 878 | break; |
| 879 | case GL_TEXTURE_RED_SIZE: |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 880 | case GL_TEXTURE_GREEN_SIZE: |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 881 | case GL_TEXTURE_BLUE_SIZE: |
| 882 | if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 883 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 884 | else |
| 885 | *params = 0; |
| 886 | break; |
| 887 | case GL_TEXTURE_ALPHA_SIZE: |
| 888 | if (img->_BaseFormat == GL_ALPHA || |
| 889 | img->_BaseFormat == GL_LUMINANCE_ALPHA || |
| 890 | img->_BaseFormat == GL_RGBA) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 891 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 892 | else |
| 893 | *params = 0; |
| 894 | break; |
| 895 | case GL_TEXTURE_INTENSITY_SIZE: |
| 896 | if (img->_BaseFormat != GL_INTENSITY) |
| 897 | *params = 0; |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 898 | else { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 899 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 900 | if (*params == 0) { |
| 901 | /* intensity probably stored as rgb texture */ |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 902 | *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE), |
| 903 | _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE)); |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 904 | } |
| 905 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 906 | break; |
| 907 | case GL_TEXTURE_LUMINANCE_SIZE: |
| 908 | if (img->_BaseFormat != GL_LUMINANCE && |
| 909 | img->_BaseFormat != GL_LUMINANCE_ALPHA) |
| 910 | *params = 0; |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 911 | else { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 912 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | 5767a67 | 2009-09-27 20:59:28 -0600 | [diff] [blame] | 913 | if (*params == 0) { |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 914 | /* luminance probably stored as rgb texture */ |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 915 | *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE), |
| 916 | _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE)); |
Brian Paul | b64d478 | 2009-09-27 19:38:21 -0600 | [diff] [blame] | 917 | } |
| 918 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 919 | break; |
| 920 | case GL_TEXTURE_INDEX_SIZE_EXT: |
| 921 | if (img->_BaseFormat == GL_COLOR_INDEX) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 922 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 923 | else |
| 924 | *params = 0; |
| 925 | break; |
| 926 | case GL_TEXTURE_DEPTH_SIZE_ARB: |
Ian Romanick | 4741dbc | 2008-10-01 15:51:56 -0700 | [diff] [blame] | 927 | if (ctx->Extensions.ARB_depth_texture) |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 928 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 929 | else |
| 930 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 931 | "glGetTexLevelParameter[if]v(pname)"); |
| 932 | break; |
| 933 | case GL_TEXTURE_STENCIL_SIZE_EXT: |
Brian Paul | f44638f | 2009-06-29 15:12:36 -0600 | [diff] [blame] | 934 | if (ctx->Extensions.EXT_packed_depth_stencil || |
| 935 | ctx->Extensions.ARB_framebuffer_object) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 936 | *params = _mesa_get_format_bits(texFormat, pname); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 937 | } |
| 938 | else { |
| 939 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 940 | "glGetTexLevelParameter[if]v(pname)"); |
| 941 | } |
| 942 | break; |
| 943 | |
| 944 | /* GL_ARB_texture_compression */ |
| 945 | case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: |
Brian Paul | b6bdafd | 2009-10-01 16:29:44 -0600 | [diff] [blame] | 946 | if (_mesa_is_format_compressed(img->TexFormat) && !isProxy) { |
Brian Paul | d6ee86c | 2009-10-24 16:49:57 -0600 | [diff] [blame] | 947 | *params = _mesa_format_image_size(texFormat, img->Width, |
| 948 | img->Height, img->Depth); |
Ian Romanick | 33fa5e4 | 2009-01-27 17:36:03 -0800 | [diff] [blame] | 949 | } |
| 950 | else { |
| 951 | _mesa_error(ctx, GL_INVALID_OPERATION, |
| 952 | "glGetTexLevelParameter[if]v(pname)"); |
| 953 | } |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 954 | break; |
| 955 | case GL_TEXTURE_COMPRESSED: |
Brian Paul | b6bdafd | 2009-10-01 16:29:44 -0600 | [diff] [blame] | 956 | *params = (GLint) _mesa_is_format_compressed(img->TexFormat); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 957 | break; |
| 958 | |
| 959 | /* GL_ARB_texture_float */ |
| 960 | case GL_TEXTURE_RED_TYPE_ARB: |
| 961 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 962 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ? |
| 963 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 964 | } |
| 965 | else { |
| 966 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 967 | "glGetTexLevelParameter[if]v(pname)"); |
| 968 | } |
| 969 | break; |
| 970 | case GL_TEXTURE_GREEN_TYPE_ARB: |
| 971 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 972 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ? |
| 973 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 974 | } |
| 975 | else { |
| 976 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 977 | "glGetTexLevelParameter[if]v(pname)"); |
| 978 | } |
| 979 | break; |
| 980 | case GL_TEXTURE_BLUE_TYPE_ARB: |
| 981 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 982 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ? |
| 983 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 984 | } |
| 985 | else { |
| 986 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 987 | "glGetTexLevelParameter[if]v(pname)"); |
| 988 | } |
| 989 | break; |
| 990 | case GL_TEXTURE_ALPHA_TYPE_ARB: |
| 991 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 992 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ? |
| 993 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 994 | } |
| 995 | else { |
| 996 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 997 | "glGetTexLevelParameter[if]v(pname)"); |
| 998 | } |
| 999 | break; |
| 1000 | case GL_TEXTURE_LUMINANCE_TYPE_ARB: |
| 1001 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1002 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ? |
| 1003 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1004 | } |
| 1005 | else { |
| 1006 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1007 | "glGetTexLevelParameter[if]v(pname)"); |
| 1008 | } |
| 1009 | break; |
| 1010 | case GL_TEXTURE_INTENSITY_TYPE_ARB: |
| 1011 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1012 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ? |
| 1013 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1014 | } |
| 1015 | else { |
| 1016 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1017 | "glGetTexLevelParameter[if]v(pname)"); |
| 1018 | } |
| 1019 | break; |
| 1020 | case GL_TEXTURE_DEPTH_TYPE_ARB: |
| 1021 | if (ctx->Extensions.ARB_texture_float) { |
Brian Paul | af0adb5 | 2009-09-27 20:56:04 -0600 | [diff] [blame] | 1022 | *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ? |
| 1023 | _mesa_get_format_datatype(texFormat) : GL_NONE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1024 | } |
| 1025 | else { |
| 1026 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1027 | "glGetTexLevelParameter[if]v(pname)"); |
| 1028 | } |
| 1029 | break; |
| 1030 | |
| 1031 | default: |
| 1032 | _mesa_error(ctx, GL_INVALID_ENUM, |
| 1033 | "glGetTexLevelParameter[if]v(pname)"); |
| 1034 | } |
| 1035 | |
| 1036 | out: |
| 1037 | _mesa_unlock_texture(ctx, texObj); |
| 1038 | } |
| 1039 | |
| 1040 | |
| 1041 | |
| 1042 | void GLAPIENTRY |
| 1043 | _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) |
| 1044 | { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1045 | struct gl_texture_object *obj; |
| 1046 | GLboolean error = GL_FALSE; |
| 1047 | GET_CURRENT_CONTEXT(ctx); |
| 1048 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1049 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 1050 | obj = get_texobj(ctx, target, GL_TRUE); |
| 1051 | if (!obj) |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1052 | return; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1053 | |
| 1054 | _mesa_lock_texture(ctx, obj); |
| 1055 | switch (pname) { |
| 1056 | case GL_TEXTURE_MAG_FILTER: |
| 1057 | *params = ENUM_TO_FLOAT(obj->MagFilter); |
| 1058 | break; |
| 1059 | case GL_TEXTURE_MIN_FILTER: |
| 1060 | *params = ENUM_TO_FLOAT(obj->MinFilter); |
| 1061 | break; |
| 1062 | case GL_TEXTURE_WRAP_S: |
| 1063 | *params = ENUM_TO_FLOAT(obj->WrapS); |
| 1064 | break; |
| 1065 | case GL_TEXTURE_WRAP_T: |
| 1066 | *params = ENUM_TO_FLOAT(obj->WrapT); |
| 1067 | break; |
| 1068 | case GL_TEXTURE_WRAP_R: |
| 1069 | *params = ENUM_TO_FLOAT(obj->WrapR); |
| 1070 | break; |
| 1071 | case GL_TEXTURE_BORDER_COLOR: |
Brian Paul | f6c2d1f | 2010-01-04 19:53:28 -0700 | [diff] [blame] | 1072 | params[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F); |
| 1073 | params[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F); |
| 1074 | params[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F); |
| 1075 | params[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1076 | break; |
| 1077 | case GL_TEXTURE_RESIDENT: |
| 1078 | { |
| 1079 | GLboolean resident; |
| 1080 | if (ctx->Driver.IsTextureResident) |
| 1081 | resident = ctx->Driver.IsTextureResident(ctx, obj); |
| 1082 | else |
| 1083 | resident = GL_TRUE; |
| 1084 | *params = ENUM_TO_FLOAT(resident); |
| 1085 | } |
| 1086 | break; |
| 1087 | case GL_TEXTURE_PRIORITY: |
| 1088 | *params = obj->Priority; |
| 1089 | break; |
| 1090 | case GL_TEXTURE_MIN_LOD: |
| 1091 | *params = obj->MinLod; |
| 1092 | break; |
| 1093 | case GL_TEXTURE_MAX_LOD: |
| 1094 | *params = obj->MaxLod; |
| 1095 | break; |
| 1096 | case GL_TEXTURE_BASE_LEVEL: |
| 1097 | *params = (GLfloat) obj->BaseLevel; |
| 1098 | break; |
| 1099 | case GL_TEXTURE_MAX_LEVEL: |
| 1100 | *params = (GLfloat) obj->MaxLevel; |
| 1101 | break; |
| 1102 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1103 | if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
| 1104 | *params = obj->MaxAnisotropy; |
| 1105 | } |
| 1106 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1107 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1108 | break; |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 1109 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 1110 | if (ctx->Extensions.ARB_shadow_ambient) { |
| 1111 | *params = obj->CompareFailValue; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1112 | } |
| 1113 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1114 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1115 | break; |
| 1116 | case GL_GENERATE_MIPMAP_SGIS: |
| 1117 | if (ctx->Extensions.SGIS_generate_mipmap) { |
| 1118 | *params = (GLfloat) obj->GenerateMipmap; |
| 1119 | } |
| 1120 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1121 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1122 | break; |
| 1123 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 1124 | if (ctx->Extensions.ARB_shadow) { |
| 1125 | *params = (GLfloat) obj->CompareMode; |
| 1126 | } |
| 1127 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1128 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1129 | break; |
| 1130 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 1131 | if (ctx->Extensions.ARB_shadow) { |
| 1132 | *params = (GLfloat) obj->CompareFunc; |
| 1133 | } |
| 1134 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1135 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1136 | break; |
| 1137 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 1138 | if (ctx->Extensions.ARB_depth_texture) { |
| 1139 | *params = (GLfloat) obj->DepthMode; |
| 1140 | } |
| 1141 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1142 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1143 | break; |
| 1144 | case GL_TEXTURE_LOD_BIAS: |
| 1145 | if (ctx->Extensions.EXT_texture_lod_bias) { |
| 1146 | *params = obj->LodBias; |
| 1147 | } |
| 1148 | else |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1149 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1150 | break; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1151 | #ifdef FEATURE_OES_draw_texture |
| 1152 | case GL_TEXTURE_CROP_RECT_OES: |
| 1153 | params[0] = obj->CropRect[0]; |
Brad King | ee80c64 | 2008-09-26 07:40:05 -0600 | [diff] [blame] | 1154 | params[1] = obj->CropRect[1]; |
| 1155 | params[2] = obj->CropRect[2]; |
| 1156 | params[3] = obj->CropRect[3]; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1157 | break; |
| 1158 | #endif |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1159 | |
| 1160 | case GL_TEXTURE_SWIZZLE_R_EXT: |
| 1161 | case GL_TEXTURE_SWIZZLE_G_EXT: |
| 1162 | case GL_TEXTURE_SWIZZLE_B_EXT: |
| 1163 | case GL_TEXTURE_SWIZZLE_A_EXT: |
| 1164 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1165 | GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| 1166 | *params = (GLfloat) obj->Swizzle[comp]; |
| 1167 | } |
| 1168 | else { |
| 1169 | error = GL_TRUE; |
| 1170 | } |
| 1171 | break; |
| 1172 | |
| 1173 | case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| 1174 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1175 | GLuint comp; |
| 1176 | for (comp = 0; comp < 4; comp++) { |
| 1177 | params[comp] = (GLfloat) obj->Swizzle[comp]; |
| 1178 | } |
| 1179 | } |
| 1180 | else { |
| 1181 | error = GL_TRUE; |
| 1182 | } |
| 1183 | break; |
| 1184 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1185 | default: |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1186 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1187 | break; |
| 1188 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1189 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1190 | if (error) |
| 1191 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", |
| 1192 | pname); |
| 1193 | |
| 1194 | _mesa_unlock_texture(ctx, obj); |
| 1195 | } |
| 1196 | |
| 1197 | |
| 1198 | void GLAPIENTRY |
| 1199 | _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) |
| 1200 | { |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1201 | struct gl_texture_object *obj; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1202 | GLboolean error = GL_FALSE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1203 | GET_CURRENT_CONTEXT(ctx); |
| 1204 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1205 | |
Brian Paul | 32b9983 | 2010-01-04 19:20:33 -0700 | [diff] [blame] | 1206 | obj = get_texobj(ctx, target, GL_TRUE); |
| 1207 | if (!obj) |
| 1208 | return; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1209 | |
Brian Paul | 6d84580 | 2010-01-04 19:05:31 -0700 | [diff] [blame] | 1210 | _mesa_lock_texture(ctx, obj); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1211 | switch (pname) { |
| 1212 | case GL_TEXTURE_MAG_FILTER: |
| 1213 | *params = (GLint) obj->MagFilter; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1214 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1215 | case GL_TEXTURE_MIN_FILTER: |
| 1216 | *params = (GLint) obj->MinFilter; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1217 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1218 | case GL_TEXTURE_WRAP_S: |
| 1219 | *params = (GLint) obj->WrapS; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1220 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1221 | case GL_TEXTURE_WRAP_T: |
| 1222 | *params = (GLint) obj->WrapT; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1223 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1224 | case GL_TEXTURE_WRAP_R: |
| 1225 | *params = (GLint) obj->WrapR; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1226 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1227 | case GL_TEXTURE_BORDER_COLOR: |
| 1228 | { |
| 1229 | GLfloat b[4]; |
Brian Paul | f6c2d1f | 2010-01-04 19:53:28 -0700 | [diff] [blame] | 1230 | b[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F); |
| 1231 | b[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F); |
| 1232 | b[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F); |
| 1233 | b[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1234 | params[0] = FLOAT_TO_INT(b[0]); |
| 1235 | params[1] = FLOAT_TO_INT(b[1]); |
| 1236 | params[2] = FLOAT_TO_INT(b[2]); |
| 1237 | params[3] = FLOAT_TO_INT(b[3]); |
| 1238 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1239 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1240 | case GL_TEXTURE_RESIDENT: |
| 1241 | { |
| 1242 | GLboolean resident; |
| 1243 | if (ctx->Driver.IsTextureResident) |
| 1244 | resident = ctx->Driver.IsTextureResident(ctx, obj); |
| 1245 | else |
| 1246 | resident = GL_TRUE; |
| 1247 | *params = (GLint) resident; |
| 1248 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1249 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1250 | case GL_TEXTURE_PRIORITY: |
| 1251 | *params = FLOAT_TO_INT(obj->Priority); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1252 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1253 | case GL_TEXTURE_MIN_LOD: |
| 1254 | *params = (GLint) obj->MinLod; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1255 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1256 | case GL_TEXTURE_MAX_LOD: |
| 1257 | *params = (GLint) obj->MaxLod; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1258 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1259 | case GL_TEXTURE_BASE_LEVEL: |
| 1260 | *params = obj->BaseLevel; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1261 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1262 | case GL_TEXTURE_MAX_LEVEL: |
| 1263 | *params = obj->MaxLevel; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1264 | break;; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1265 | case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
| 1266 | if (ctx->Extensions.EXT_texture_filter_anisotropic) { |
| 1267 | *params = (GLint) obj->MaxAnisotropy; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1268 | } |
| 1269 | else { |
| 1270 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1271 | } |
| 1272 | break; |
Brian Paul | 26da28c | 2009-01-28 16:49:28 -0700 | [diff] [blame] | 1273 | case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB: |
| 1274 | if (ctx->Extensions.ARB_shadow_ambient) { |
| 1275 | *params = (GLint) FLOAT_TO_INT(obj->CompareFailValue); |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1276 | } |
| 1277 | else { |
| 1278 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1279 | } |
| 1280 | break; |
| 1281 | case GL_GENERATE_MIPMAP_SGIS: |
| 1282 | if (ctx->Extensions.SGIS_generate_mipmap) { |
| 1283 | *params = (GLint) obj->GenerateMipmap; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1284 | } |
| 1285 | else { |
| 1286 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1287 | } |
| 1288 | break; |
| 1289 | case GL_TEXTURE_COMPARE_MODE_ARB: |
| 1290 | if (ctx->Extensions.ARB_shadow) { |
| 1291 | *params = (GLint) obj->CompareMode; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1292 | } |
| 1293 | else { |
| 1294 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1295 | } |
| 1296 | break; |
| 1297 | case GL_TEXTURE_COMPARE_FUNC_ARB: |
| 1298 | if (ctx->Extensions.ARB_shadow) { |
| 1299 | *params = (GLint) obj->CompareFunc; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1300 | } |
| 1301 | else { |
| 1302 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1303 | } |
| 1304 | break; |
| 1305 | case GL_DEPTH_TEXTURE_MODE_ARB: |
| 1306 | if (ctx->Extensions.ARB_depth_texture) { |
| 1307 | *params = (GLint) obj->DepthMode; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1308 | } |
| 1309 | else { |
| 1310 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1311 | } |
| 1312 | break; |
| 1313 | case GL_TEXTURE_LOD_BIAS: |
| 1314 | if (ctx->Extensions.EXT_texture_lod_bias) { |
| 1315 | *params = (GLint) obj->LodBias; |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1316 | } |
| 1317 | else { |
| 1318 | error = GL_TRUE; |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1319 | } |
| 1320 | break; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1321 | #ifdef FEATURE_OES_draw_texture |
| 1322 | case GL_TEXTURE_CROP_RECT_OES: |
| 1323 | params[0] = obj->CropRect[0]; |
Brad King | ee80c64 | 2008-09-26 07:40:05 -0600 | [diff] [blame] | 1324 | params[1] = obj->CropRect[1]; |
| 1325 | params[2] = obj->CropRect[2]; |
| 1326 | params[3] = obj->CropRect[3]; |
Brian Paul | 1b7e909 | 2008-08-12 17:41:57 -0600 | [diff] [blame] | 1327 | break; |
| 1328 | #endif |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1329 | case GL_TEXTURE_SWIZZLE_R_EXT: |
| 1330 | case GL_TEXTURE_SWIZZLE_G_EXT: |
| 1331 | case GL_TEXTURE_SWIZZLE_B_EXT: |
| 1332 | case GL_TEXTURE_SWIZZLE_A_EXT: |
| 1333 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1334 | GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT; |
| 1335 | *params = obj->Swizzle[comp]; |
| 1336 | } |
| 1337 | else { |
| 1338 | error = GL_TRUE; |
| 1339 | } |
| 1340 | break; |
| 1341 | |
| 1342 | case GL_TEXTURE_SWIZZLE_RGBA_EXT: |
| 1343 | if (ctx->Extensions.EXT_texture_swizzle) { |
| 1344 | COPY_4V(params, obj->Swizzle); |
| 1345 | } |
| 1346 | else { |
| 1347 | error = GL_TRUE; |
| 1348 | } |
| 1349 | break; |
| 1350 | |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1351 | default: |
| 1352 | ; /* silence warnings */ |
| 1353 | } |
Brian Paul | 4a89e51 | 2009-01-28 10:27:33 -0700 | [diff] [blame] | 1354 | |
| 1355 | if (error) |
| 1356 | _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", |
| 1357 | pname); |
| 1358 | |
| 1359 | _mesa_unlock_texture(ctx, obj); |
Brian Paul | ae1fdc1 | 2008-06-11 20:05:53 -0600 | [diff] [blame] | 1360 | } |
Brian Paul | 7836a96 | 2010-01-04 20:00:00 -0700 | [diff] [blame] | 1361 | |
| 1362 | |
| 1363 | /** New in GL 3.0 */ |
| 1364 | void GLAPIENTRY |
| 1365 | _mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params) |
| 1366 | { |
| 1367 | struct gl_texture_object *texObj; |
| 1368 | GET_CURRENT_CONTEXT(ctx); |
| 1369 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1370 | |
| 1371 | texObj = get_texobj(ctx, target, GL_TRUE); |
| 1372 | |
| 1373 | switch (pname) { |
| 1374 | case GL_TEXTURE_BORDER_COLOR: |
| 1375 | COPY_4V(params, texObj->BorderColor.i); |
| 1376 | break; |
| 1377 | default: |
| 1378 | _mesa_GetTexParameteriv(target, pname, params); |
| 1379 | } |
| 1380 | } |
| 1381 | |
| 1382 | |
| 1383 | /** New in GL 3.0 */ |
| 1384 | void GLAPIENTRY |
| 1385 | _mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params) |
| 1386 | { |
| 1387 | struct gl_texture_object *texObj; |
| 1388 | GET_CURRENT_CONTEXT(ctx); |
| 1389 | ASSERT_OUTSIDE_BEGIN_END(ctx); |
| 1390 | |
| 1391 | texObj = get_texobj(ctx, target, GL_TRUE); |
| 1392 | |
| 1393 | switch (pname) { |
| 1394 | case GL_TEXTURE_BORDER_COLOR: |
| 1395 | COPY_4V(params, texObj->BorderColor.i); |
| 1396 | break; |
| 1397 | default: |
| 1398 | { |
| 1399 | GLint ip[4]; |
| 1400 | _mesa_GetTexParameteriv(target, pname, ip); |
| 1401 | params[0] = ip[0]; |
| 1402 | if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT || |
| 1403 | pname == GL_TEXTURE_CROP_RECT_OES) { |
| 1404 | params[1] = ip[1]; |
| 1405 | params[2] = ip[2]; |
| 1406 | params[3] = ip[3]; |
| 1407 | } |
| 1408 | } |
| 1409 | } |
| 1410 | } |