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Diffstat (limited to 'mesalib/src/mesa/main/texparam.c')
-rw-r--r--mesalib/src/mesa/main/texparam.c2899
1 files changed, 1460 insertions, 1439 deletions
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c
index 6e14face4..81696b0e0 100644
--- a/mesalib/src/mesa/main/texparam.c
+++ b/mesalib/src/mesa/main/texparam.c
@@ -1,1439 +1,1460 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.5
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file texparam.c
- *
- * glTexParameter-related functions
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/context.h"
-#include "main/enums.h"
-#include "main/formats.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-#include "main/mtypes.h"
-#include "main/texcompress.h"
-#include "main/texparam.h"
-#include "main/teximage.h"
-#include "main/texstate.h"
-#include "main/texfetch.h"
-#include "program/prog_instruction.h"
-
-
-/**
- * Check if a coordinate wrap mode is supported for the texture target.
- * \return GL_TRUE if legal, GL_FALSE otherwise
- */
-static GLboolean
-validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap)
-{
- const struct gl_extensions * const e = & ctx->Extensions;
-
- if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE ||
- (wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) {
- /* any texture target */
- return GL_TRUE;
- }
- else if (target != GL_TEXTURE_RECTANGLE_NV &&
- (wrap == GL_REPEAT ||
- (wrap == GL_MIRRORED_REPEAT &&
- e->ARB_texture_mirrored_repeat) ||
- (wrap == GL_MIRROR_CLAMP_EXT &&
- (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
- (wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT &&
- (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
- (wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT &&
- (e->EXT_texture_mirror_clamp)))) {
- /* non-rectangle texture */
- return GL_TRUE;
- }
-
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
- return GL_FALSE;
-}
-
-
-/**
- * Get current texture object for given target.
- * Return NULL if any error (and record the error).
- * Note that this is different from _mesa_select_tex_object() in that proxy
- * targets are not accepted.
- * Only the glGetTexLevelParameter() functions accept proxy targets.
- */
-static struct gl_texture_object *
-get_texobj(struct gl_context *ctx, GLenum target, GLboolean get)
-{
- struct gl_texture_unit *texUnit;
-
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "gl%sTexParameter(current unit)", get ? "Get" : "");
- return NULL;
- }
-
- texUnit = _mesa_get_current_tex_unit(ctx);
-
- switch (target) {
- case GL_TEXTURE_1D:
- return texUnit->CurrentTex[TEXTURE_1D_INDEX];
- case GL_TEXTURE_2D:
- return texUnit->CurrentTex[TEXTURE_2D_INDEX];
- case GL_TEXTURE_3D:
- return texUnit->CurrentTex[TEXTURE_3D_INDEX];
- case GL_TEXTURE_CUBE_MAP:
- if (ctx->Extensions.ARB_texture_cube_map) {
- return texUnit->CurrentTex[TEXTURE_CUBE_INDEX];
- }
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- if (ctx->Extensions.NV_texture_rectangle) {
- return texUnit->CurrentTex[TEXTURE_RECT_INDEX];
- }
- break;
- case GL_TEXTURE_1D_ARRAY_EXT:
- if (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array) {
- return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
- }
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- if (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array) {
- return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX];
- }
- break;
- default:
- ;
- }
-
- _mesa_error(ctx, GL_INVALID_ENUM,
- "gl%sTexParameter(target)", get ? "Get" : "");
- return NULL;
-}
-
-
-/**
- * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
- * \return -1 if error.
- */
-static GLint
-comp_to_swizzle(GLenum comp)
-{
- switch (comp) {
- case GL_RED:
- return SWIZZLE_X;
- case GL_GREEN:
- return SWIZZLE_Y;
- case GL_BLUE:
- return SWIZZLE_Z;
- case GL_ALPHA:
- return SWIZZLE_W;
- case GL_ZERO:
- return SWIZZLE_ZERO;
- case GL_ONE:
- return SWIZZLE_ONE;
- default:
- return -1;
- }
-}
-
-
-static void
-set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
-{
- ASSERT(comp < 4);
- ASSERT(swz <= SWIZZLE_NIL);
- {
- GLuint mask = 0x7 << (3 * comp);
- GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
- *swizzle = s;
- }
-}
-
-
-/**
- * This is called just prior to changing any texture object state which
- * will not effect texture completeness.
- */
-static INLINE void
-flush(struct gl_context *ctx)
-{
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-}
-
-
-/**
- * This is called just prior to changing any texture object state which
- * can effect texture completeness (texture base level, max level,
- * minification filter).
- * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
- * state flag and then mark the texture object as 'incomplete' so that any
- * per-texture derived state gets recomputed.
- */
-static INLINE void
-incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
-{
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->_Complete = GL_FALSE;
-}
-
-
-/**
- * Set an integer-valued texture parameter
- * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
- */
-static GLboolean
-set_tex_parameteri(struct gl_context *ctx,
- struct gl_texture_object *texObj,
- GLenum pname, const GLint *params)
-{
- switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- if (texObj->MinFilter == params[0])
- return GL_FALSE;
- switch (params[0]) {
- case GL_NEAREST:
- case GL_LINEAR:
- incomplete(ctx, texObj);
- texObj->MinFilter = params[0];
- return GL_TRUE;
- case GL_NEAREST_MIPMAP_NEAREST:
- case GL_LINEAR_MIPMAP_NEAREST:
- case GL_NEAREST_MIPMAP_LINEAR:
- case GL_LINEAR_MIPMAP_LINEAR:
- if (texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
- incomplete(ctx, texObj);
- texObj->MinFilter = params[0];
- return GL_TRUE;
- }
- /* fall-through */
- default:
- goto invalid_param;
- }
- return GL_FALSE;
-
- case GL_TEXTURE_MAG_FILTER:
- if (texObj->MagFilter == params[0])
- return GL_FALSE;
- switch (params[0]) {
- case GL_NEAREST:
- case GL_LINEAR:
- flush(ctx); /* does not effect completeness */
- texObj->MagFilter = params[0];
- return GL_TRUE;
- default:
- goto invalid_param;
- }
- return GL_FALSE;
-
- case GL_TEXTURE_WRAP_S:
- if (texObj->WrapS == params[0])
- return GL_FALSE;
- if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
- flush(ctx);
- texObj->WrapS = params[0];
- return GL_TRUE;
- }
- return GL_FALSE;
-
- case GL_TEXTURE_WRAP_T:
- if (texObj->WrapT == params[0])
- return GL_FALSE;
- if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
- flush(ctx);
- texObj->WrapT = params[0];
- return GL_TRUE;
- }
- return GL_FALSE;
-
- case GL_TEXTURE_WRAP_R:
- if (texObj->WrapR == params[0])
- return GL_FALSE;
- if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
- flush(ctx);
- texObj->WrapR = params[0];
- return GL_TRUE;
- }
- return GL_FALSE;
-
- case GL_TEXTURE_BASE_LEVEL:
- if (texObj->BaseLevel == params[0])
- return GL_FALSE;
- if (params[0] < 0 ||
- (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexParameter(param=%d)", params[0]);
- return GL_FALSE;
- }
- incomplete(ctx, texObj);
- texObj->BaseLevel = params[0];
- return GL_TRUE;
-
- case GL_TEXTURE_MAX_LEVEL:
- if (texObj->MaxLevel == params[0])
- return GL_FALSE;
- if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexParameter(param=%d)", params[0]);
- return GL_FALSE;
- }
- incomplete(ctx, texObj);
- texObj->MaxLevel = params[0];
- return GL_TRUE;
-
- case GL_GENERATE_MIPMAP_SGIS:
- if (texObj->GenerateMipmap != params[0]) {
- /* no flush() */
- texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
- return GL_TRUE;
- }
- return GL_FALSE;
-
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- if (texObj->CompareMode == params[0])
- return GL_FALSE;
- if (params[0] == GL_NONE ||
- params[0] == GL_COMPARE_R_TO_TEXTURE_ARB) {
- flush(ctx);
- texObj->CompareMode = params[0];
- return GL_TRUE;
- }
- goto invalid_param;
- }
- goto invalid_pname;
-
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- if (texObj->CompareFunc == params[0])
- return GL_FALSE;
- switch (params[0]) {
- case GL_LEQUAL:
- case GL_GEQUAL:
- flush(ctx);
- texObj->CompareFunc = params[0];
- return GL_TRUE;
- case GL_EQUAL:
- case GL_NOTEQUAL:
- case GL_LESS:
- case GL_GREATER:
- case GL_ALWAYS:
- case GL_NEVER:
- if (ctx->Extensions.EXT_shadow_funcs) {
- flush(ctx);
- texObj->CompareFunc = params[0];
- return GL_TRUE;
- }
- /* fall-through */
- default:
- goto invalid_param;
- }
- }
- goto invalid_pname;
-
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- if (texObj->DepthMode == params[0])
- return GL_FALSE;
- if (params[0] == GL_LUMINANCE ||
- params[0] == GL_INTENSITY ||
- params[0] == GL_ALPHA ||
- (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) {
- flush(ctx);
- texObj->DepthMode = params[0];
- return GL_TRUE;
- }
- goto invalid_param;
- }
- goto invalid_pname;
-
-#if FEATURE_OES_draw_texture
- case GL_TEXTURE_CROP_RECT_OES:
- texObj->CropRect[0] = params[0];
- texObj->CropRect[1] = params[1];
- texObj->CropRect[2] = params[2];
- texObj->CropRect[3] = params[3];
- return GL_TRUE;
-#endif
-
- case GL_TEXTURE_SWIZZLE_R_EXT:
- case GL_TEXTURE_SWIZZLE_G_EXT:
- case GL_TEXTURE_SWIZZLE_B_EXT:
- case GL_TEXTURE_SWIZZLE_A_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
- const GLint swz = comp_to_swizzle(params[0]);
- if (swz < 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexParameter(swizzle 0x%x)", params[0]);
- return GL_FALSE;
- }
- ASSERT(comp < 4);
- if (swz >= 0) {
- flush(ctx);
- texObj->Swizzle[comp] = params[0];
- set_swizzle_component(&texObj->_Swizzle, comp, swz);
- return GL_TRUE;
- }
- }
- goto invalid_pname;
-
- case GL_TEXTURE_SWIZZLE_RGBA_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp;
- flush(ctx);
- for (comp = 0; comp < 4; comp++) {
- const GLint swz = comp_to_swizzle(params[comp]);
- if (swz >= 0) {
- texObj->Swizzle[comp] = params[comp];
- set_swizzle_component(&texObj->_Swizzle, comp, swz);
- }
- else {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexParameter(swizzle 0x%x)", params[comp]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
- }
- goto invalid_pname;
-
- case GL_TEXTURE_SRGB_DECODE_EXT:
- if (ctx->Extensions.EXT_texture_sRGB_decode) {
- GLenum decode = params[0];
- if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
- if (texObj->sRGBDecode != decode) {
- flush(ctx);
- texObj->sRGBDecode = decode;
- _mesa_update_fetch_functions(texObj);
- }
- return GL_TRUE;
- }
- }
- goto invalid_pname;
-
- default:
- goto invalid_pname;
- }
-
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
- return GL_FALSE;
-
-invalid_param:
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=%s)",
- _mesa_lookup_enum_by_nr(params[0]));
- return GL_FALSE;
-}
-
-
-/**
- * Set a float-valued texture parameter
- * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
- */
-static GLboolean
-set_tex_parameterf(struct gl_context *ctx,
- struct gl_texture_object *texObj,
- GLenum pname, const GLfloat *params)
-{
- switch (pname) {
- case GL_TEXTURE_MIN_LOD:
- if (texObj->MinLod == params[0])
- return GL_FALSE;
- flush(ctx);
- texObj->MinLod = params[0];
- return GL_TRUE;
-
- case GL_TEXTURE_MAX_LOD:
- if (texObj->MaxLod == params[0])
- return GL_FALSE;
- flush(ctx);
- texObj->MaxLod = params[0];
- return GL_TRUE;
-
- case GL_TEXTURE_PRIORITY:
- flush(ctx);
- texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
- return GL_TRUE;
-
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- if (texObj->MaxAnisotropy == params[0])
- return GL_FALSE;
- if (params[0] < 1.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return GL_FALSE;
- }
- flush(ctx);
- /* clamp to max, that's what NVIDIA does */
- texObj->MaxAnisotropy = MIN2(params[0],
- ctx->Const.MaxTextureMaxAnisotropy);
- return GL_TRUE;
- }
- else {
- static GLuint count = 0;
- if (count++ < 10)
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
- }
- return GL_FALSE;
-
- case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- if (ctx->Extensions.ARB_shadow_ambient) {
- if (texObj->CompareFailValue != params[0]) {
- flush(ctx);
- texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
- return GL_TRUE;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)");
- }
- return GL_FALSE;
-
- case GL_TEXTURE_LOD_BIAS:
- /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */
- if (ctx->Extensions.EXT_texture_lod_bias) {
- if (texObj->LodBias != params[0]) {
- flush(ctx);
- texObj->LodBias = params[0];
- return GL_TRUE;
- }
- return GL_FALSE;
- }
- break;
-
- case GL_TEXTURE_BORDER_COLOR:
- flush(ctx);
- texObj->BorderColor.f[RCOMP] = params[0];
- texObj->BorderColor.f[GCOMP] = params[1];
- texObj->BorderColor.f[BCOMP] = params[2];
- texObj->BorderColor.f[ACOMP] = params[3];
- return GL_TRUE;
-
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
- }
- return GL_FALSE;
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
-{
- GLboolean need_update;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_FALSE);
- if (!texObj)
- return;
-
- switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- case GL_TEXTURE_MAG_FILTER:
- case GL_TEXTURE_WRAP_S:
- case GL_TEXTURE_WRAP_T:
- case GL_TEXTURE_WRAP_R:
- case GL_TEXTURE_BASE_LEVEL:
- case GL_TEXTURE_MAX_LEVEL:
- case GL_GENERATE_MIPMAP_SGIS:
- case GL_TEXTURE_COMPARE_MODE_ARB:
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- case GL_DEPTH_TEXTURE_MODE_ARB:
- case GL_TEXTURE_SRGB_DECODE_EXT:
- {
- /* convert float param to int */
- GLint p[4];
- p[0] = (GLint) param;
- p[1] = p[2] = p[3] = 0;
- need_update = set_tex_parameteri(ctx, texObj, pname, p);
- }
- break;
- default:
- {
- /* this will generate an error if pname is illegal */
- GLfloat p[4];
- p[0] = param;
- p[1] = p[2] = p[3] = 0.0F;
- need_update = set_tex_parameterf(ctx, texObj, pname, p);
- }
- }
-
- if (ctx->Driver.TexParameter && need_update) {
- ctx->Driver.TexParameter(ctx, target, texObj, pname, &param);
- }
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
-{
- GLboolean need_update;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_FALSE);
- if (!texObj)
- return;
-
- switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- case GL_TEXTURE_MAG_FILTER:
- case GL_TEXTURE_WRAP_S:
- case GL_TEXTURE_WRAP_T:
- case GL_TEXTURE_WRAP_R:
- case GL_TEXTURE_BASE_LEVEL:
- case GL_TEXTURE_MAX_LEVEL:
- case GL_GENERATE_MIPMAP_SGIS:
- case GL_TEXTURE_COMPARE_MODE_ARB:
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- case GL_DEPTH_TEXTURE_MODE_ARB:
- case GL_TEXTURE_SRGB_DECODE_EXT:
- {
- /* convert float param to int */
- GLint p[4];
- p[0] = (GLint) params[0];
- p[1] = p[2] = p[3] = 0;
- need_update = set_tex_parameteri(ctx, texObj, pname, p);
- }
- break;
-
-#if FEATURE_OES_draw_texture
- case GL_TEXTURE_CROP_RECT_OES:
- {
- /* convert float params to int */
- GLint iparams[4];
- iparams[0] = (GLint) params[0];
- iparams[1] = (GLint) params[1];
- iparams[2] = (GLint) params[2];
- iparams[3] = (GLint) params[3];
- need_update = set_tex_parameteri(ctx, texObj, pname, iparams);
- }
- break;
-#endif
-
- default:
- /* this will generate an error if pname is illegal */
- need_update = set_tex_parameterf(ctx, texObj, pname, params);
- }
-
- if (ctx->Driver.TexParameter && need_update) {
- ctx->Driver.TexParameter(ctx, target, texObj, pname, params);
- }
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
-{
- GLboolean need_update;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_FALSE);
- if (!texObj)
- return;
-
- switch (pname) {
- case GL_TEXTURE_MIN_LOD:
- case GL_TEXTURE_MAX_LOD:
- case GL_TEXTURE_PRIORITY:
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- case GL_TEXTURE_LOD_BIAS:
- case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- {
- GLfloat fparam[4];
- fparam[0] = (GLfloat) param;
- fparam[1] = fparam[2] = fparam[3] = 0.0F;
- /* convert int param to float */
- need_update = set_tex_parameterf(ctx, texObj, pname, fparam);
- }
- break;
- default:
- /* this will generate an error if pname is illegal */
- {
- GLint iparam[4];
- iparam[0] = param;
- iparam[1] = iparam[2] = iparam[3] = 0;
- need_update = set_tex_parameteri(ctx, texObj, pname, iparam);
- }
- }
-
- if (ctx->Driver.TexParameter && need_update) {
- GLfloat fparam = (GLfloat) param;
- ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam);
- }
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
-{
- GLboolean need_update;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_FALSE);
- if (!texObj)
- return;
-
- switch (pname) {
- case GL_TEXTURE_BORDER_COLOR:
- {
- /* convert int params to float */
- GLfloat fparams[4];
- fparams[0] = INT_TO_FLOAT(params[0]);
- fparams[1] = INT_TO_FLOAT(params[1]);
- fparams[2] = INT_TO_FLOAT(params[2]);
- fparams[3] = INT_TO_FLOAT(params[3]);
- need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
- }
- break;
- case GL_TEXTURE_MIN_LOD:
- case GL_TEXTURE_MAX_LOD:
- case GL_TEXTURE_PRIORITY:
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- case GL_TEXTURE_LOD_BIAS:
- case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- {
- /* convert int param to float */
- GLfloat fparams[4];
- fparams[0] = (GLfloat) params[0];
- fparams[1] = fparams[2] = fparams[3] = 0.0F;
- need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
- }
- break;
- default:
- /* this will generate an error if pname is illegal */
- need_update = set_tex_parameteri(ctx, texObj, pname, params);
- }
-
- if (ctx->Driver.TexParameter && need_update) {
- GLfloat fparams[4];
- fparams[0] = INT_TO_FLOAT(params[0]);
- if (pname == GL_TEXTURE_BORDER_COLOR ||
- pname == GL_TEXTURE_CROP_RECT_OES) {
- fparams[1] = INT_TO_FLOAT(params[1]);
- fparams[2] = INT_TO_FLOAT(params[2]);
- fparams[3] = INT_TO_FLOAT(params[3]);
- }
- ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams);
- }
-}
-
-
-/**
- * Set tex parameter to integer value(s). Primarily intended to set
- * integer-valued texture border color (for integer-valued textures).
- * New in GL 3.0.
- */
-void GLAPIENTRY
-_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
-{
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_FALSE);
- if (!texObj)
- return;
-
- switch (pname) {
- case GL_TEXTURE_BORDER_COLOR:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- /* set the integer-valued border color */
- COPY_4V(texObj->BorderColor.i, params);
- break;
- default:
- _mesa_TexParameteriv(target, pname, params);
- break;
- }
- /* XXX no driver hook for TexParameterIiv() yet */
-}
-
-
-/**
- * Set tex parameter to unsigned integer value(s). Primarily intended to set
- * uint-valued texture border color (for integer-valued textures).
- * New in GL 3.0
- */
-void GLAPIENTRY
-_mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
-{
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_FALSE);
- if (!texObj)
- return;
-
- switch (pname) {
- case GL_TEXTURE_BORDER_COLOR:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- /* set the unsigned integer-valued border color */
- COPY_4V(texObj->BorderColor.ui, params);
- break;
- default:
- _mesa_TexParameteriv(target, pname, (const GLint *) params);
- break;
- }
- /* XXX no driver hook for TexParameterIuiv() yet */
-}
-
-
-
-
-void GLAPIENTRY
-_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
- GLenum pname, GLfloat *params )
-{
- GLint iparam;
- _mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
- *params = (GLfloat) iparam;
-}
-
-
-void GLAPIENTRY
-_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
- GLenum pname, GLint *params )
-{
- const struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- const struct gl_texture_image *img = NULL;
- GLint maxLevels;
- gl_format texFormat;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexLevelParameteriv(current unit)");
- return;
- }
-
- texUnit = _mesa_get_current_tex_unit(ctx);
-
- /* this will catch bad target values */
- maxLevels = _mesa_max_texture_levels(ctx, target);
- if (maxLevels == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(target=0x%x)", target);
- return;
- }
-
- if (level < 0 || level >= maxLevels) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
- return;
- }
-
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
-
- img = _mesa_select_tex_image(ctx, texObj, target, level);
- if (!img || !img->TexFormat) {
- /* undefined texture image */
- if (pname == GL_TEXTURE_COMPONENTS)
- *params = 1;
- else
- *params = 0;
- return;
- }
-
- texFormat = img->TexFormat;
-
- switch (pname) {
- case GL_TEXTURE_WIDTH:
- *params = img->Width;
- break;
- case GL_TEXTURE_HEIGHT:
- *params = img->Height;
- break;
- case GL_TEXTURE_DEPTH:
- *params = img->Depth;
- break;
- case GL_TEXTURE_INTERNAL_FORMAT:
- if (_mesa_is_format_compressed(texFormat)) {
- /* need to return the actual compressed format */
- *params = _mesa_compressed_format_to_glenum(ctx, texFormat);
- }
- else {
- /* return the user's requested internal format */
- *params = img->InternalFormat;
- }
- break;
- case GL_TEXTURE_BORDER:
- *params = img->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- if (img->_BaseFormat == GL_RED) {
- *params = _mesa_get_format_bits(texFormat, pname);
- break;
- }
- /* FALLTHROUGH */
- case GL_TEXTURE_GREEN_SIZE:
- if (img->_BaseFormat == GL_RG) {
- *params = _mesa_get_format_bits(texFormat, pname);
- break;
- }
- /* FALLTHROUGH */
- case GL_TEXTURE_BLUE_SIZE:
- if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
- *params = _mesa_get_format_bits(texFormat, pname);
- else
- *params = 0;
- break;
- case GL_TEXTURE_ALPHA_SIZE:
- if (img->_BaseFormat == GL_ALPHA ||
- img->_BaseFormat == GL_LUMINANCE_ALPHA ||
- img->_BaseFormat == GL_RGBA)
- *params = _mesa_get_format_bits(texFormat, pname);
- else
- *params = 0;
- break;
- case GL_TEXTURE_INTENSITY_SIZE:
- if (img->_BaseFormat != GL_INTENSITY)
- *params = 0;
- else {
- *params = _mesa_get_format_bits(texFormat, pname);
- if (*params == 0) {
- /* intensity probably stored as rgb texture */
- *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
- _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
- }
- }
- break;
- case GL_TEXTURE_LUMINANCE_SIZE:
- if (img->_BaseFormat != GL_LUMINANCE &&
- img->_BaseFormat != GL_LUMINANCE_ALPHA)
- *params = 0;
- else {
- *params = _mesa_get_format_bits(texFormat, pname);
- if (*params == 0) {
- /* luminance probably stored as rgb texture */
- *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
- _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
- }
- }
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- if (img->_BaseFormat == GL_COLOR_INDEX)
- *params = _mesa_get_format_bits(texFormat, pname);
- else
- *params = 0;
- break;
- case GL_TEXTURE_DEPTH_SIZE_ARB:
- if (ctx->Extensions.ARB_depth_texture)
- *params = _mesa_get_format_bits(texFormat, pname);
- else
- goto invalid_pname;
- break;
- case GL_TEXTURE_STENCIL_SIZE_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil ||
- ctx->Extensions.ARB_framebuffer_object) {
- *params = _mesa_get_format_bits(texFormat, pname);
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_SHARED_SIZE:
- if (ctx->VersionMajor >= 3) {
- /* XXX return number of exponent bits for shared exponent texture
- * formats, like GL_RGB9_E5.
- */
- *params = 0;
- }
- else {
- goto invalid_pname;
- }
- break;
-
- /* GL_ARB_texture_compression */
- case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
- if (_mesa_is_format_compressed(texFormat) &&
- !_mesa_is_proxy_texture(target)) {
- *params = _mesa_format_image_size(texFormat, img->Width,
- img->Height, img->Depth);
- }
- else {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexLevelParameter[if]v(pname)");
- }
- break;
- case GL_TEXTURE_COMPRESSED:
- *params = (GLint) _mesa_is_format_compressed(texFormat);
- break;
-
- /* GL_ARB_texture_float */
- case GL_TEXTURE_RED_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_GREEN_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_BLUE_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_ALPHA_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_LUMINANCE_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_INTENSITY_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
- case GL_TEXTURE_DEPTH_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
- _mesa_get_format_datatype(texFormat) : GL_NONE;
- }
- else {
- goto invalid_pname;
- }
- break;
-
- default:
- goto invalid_pname;
- }
-
- /* no error if we get here */
- return;
-
-invalid_pname:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
-}
-
-
-
-void GLAPIENTRY
-_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
-{
- struct gl_texture_object *obj;
- GLboolean error = GL_FALSE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- obj = get_texobj(ctx, target, GL_TRUE);
- if (!obj)
- return;
-
- _mesa_lock_texture(ctx, obj);
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = ENUM_TO_FLOAT(obj->MagFilter);
- break;
- case GL_TEXTURE_MIN_FILTER:
- *params = ENUM_TO_FLOAT(obj->MinFilter);
- break;
- case GL_TEXTURE_WRAP_S:
- *params = ENUM_TO_FLOAT(obj->WrapS);
- break;
- case GL_TEXTURE_WRAP_T:
- *params = ENUM_TO_FLOAT(obj->WrapT);
- break;
- case GL_TEXTURE_WRAP_R:
- *params = ENUM_TO_FLOAT(obj->WrapR);
- break;
- case GL_TEXTURE_BORDER_COLOR:
- params[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F);
- params[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F);
- params[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F);
- params[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F);
- break;
- case GL_TEXTURE_RESIDENT:
- {
- GLboolean resident;
- if (ctx->Driver.IsTextureResident)
- resident = ctx->Driver.IsTextureResident(ctx, obj);
- else
- resident = GL_TRUE;
- *params = ENUM_TO_FLOAT(resident);
- }
- break;
- case GL_TEXTURE_PRIORITY:
- *params = obj->Priority;
- break;
- case GL_TEXTURE_MIN_LOD:
- *params = obj->MinLod;
- break;
- case GL_TEXTURE_MAX_LOD:
- *params = obj->MaxLod;
- break;
- case GL_TEXTURE_BASE_LEVEL:
- *params = (GLfloat) obj->BaseLevel;
- break;
- case GL_TEXTURE_MAX_LEVEL:
- *params = (GLfloat) obj->MaxLevel;
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- *params = obj->MaxAnisotropy;
- }
- else
- error = GL_TRUE;
- break;
- case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- if (ctx->Extensions.ARB_shadow_ambient) {
- *params = obj->CompareFailValue;
- }
- else
- error = GL_TRUE;
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- *params = (GLfloat) obj->GenerateMipmap;
- break;
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLfloat) obj->CompareMode;
- }
- else
- error = GL_TRUE;
- break;
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLfloat) obj->CompareFunc;
- }
- else
- error = GL_TRUE;
- break;
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- *params = (GLfloat) obj->DepthMode;
- }
- else
- error = GL_TRUE;
- break;
- case GL_TEXTURE_LOD_BIAS:
- if (ctx->Extensions.EXT_texture_lod_bias) {
- *params = obj->LodBias;
- }
- else
- error = GL_TRUE;
- break;
-#if FEATURE_OES_draw_texture
- case GL_TEXTURE_CROP_RECT_OES:
- params[0] = obj->CropRect[0];
- params[1] = obj->CropRect[1];
- params[2] = obj->CropRect[2];
- params[3] = obj->CropRect[3];
- break;
-#endif
-
- case GL_TEXTURE_SWIZZLE_R_EXT:
- case GL_TEXTURE_SWIZZLE_G_EXT:
- case GL_TEXTURE_SWIZZLE_B_EXT:
- case GL_TEXTURE_SWIZZLE_A_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
- *params = (GLfloat) obj->Swizzle[comp];
- }
- else {
- error = GL_TRUE;
- }
- break;
-
- case GL_TEXTURE_SWIZZLE_RGBA_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp;
- for (comp = 0; comp < 4; comp++) {
- params[comp] = (GLfloat) obj->Swizzle[comp];
- }
- }
- else {
- error = GL_TRUE;
- }
- break;
-
- default:
- error = GL_TRUE;
- break;
- }
-
- if (error)
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
- pname);
-
- _mesa_unlock_texture(ctx, obj);
-}
-
-
-void GLAPIENTRY
-_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
-{
- struct gl_texture_object *obj;
- GLboolean error = GL_FALSE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- obj = get_texobj(ctx, target, GL_TRUE);
- if (!obj)
- return;
-
- _mesa_lock_texture(ctx, obj);
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = (GLint) obj->MagFilter;
- break;;
- case GL_TEXTURE_MIN_FILTER:
- *params = (GLint) obj->MinFilter;
- break;;
- case GL_TEXTURE_WRAP_S:
- *params = (GLint) obj->WrapS;
- break;;
- case GL_TEXTURE_WRAP_T:
- *params = (GLint) obj->WrapT;
- break;;
- case GL_TEXTURE_WRAP_R:
- *params = (GLint) obj->WrapR;
- break;;
- case GL_TEXTURE_BORDER_COLOR:
- {
- GLfloat b[4];
- b[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F);
- b[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F);
- b[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F);
- b[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F);
- params[0] = FLOAT_TO_INT(b[0]);
- params[1] = FLOAT_TO_INT(b[1]);
- params[2] = FLOAT_TO_INT(b[2]);
- params[3] = FLOAT_TO_INT(b[3]);
- }
- break;;
- case GL_TEXTURE_RESIDENT:
- {
- GLboolean resident;
- if (ctx->Driver.IsTextureResident)
- resident = ctx->Driver.IsTextureResident(ctx, obj);
- else
- resident = GL_TRUE;
- *params = (GLint) resident;
- }
- break;;
- case GL_TEXTURE_PRIORITY:
- *params = FLOAT_TO_INT(obj->Priority);
- break;;
- case GL_TEXTURE_MIN_LOD:
- *params = (GLint) obj->MinLod;
- break;;
- case GL_TEXTURE_MAX_LOD:
- *params = (GLint) obj->MaxLod;
- break;;
- case GL_TEXTURE_BASE_LEVEL:
- *params = obj->BaseLevel;
- break;;
- case GL_TEXTURE_MAX_LEVEL:
- *params = obj->MaxLevel;
- break;;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- *params = (GLint) obj->MaxAnisotropy;
- }
- else {
- error = GL_TRUE;
- }
- break;
- case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
- if (ctx->Extensions.ARB_shadow_ambient) {
- *params = (GLint) FLOAT_TO_INT(obj->CompareFailValue);
- }
- else {
- error = GL_TRUE;
- }
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- *params = (GLint) obj->GenerateMipmap;
- break;
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLint) obj->CompareMode;
- }
- else {
- error = GL_TRUE;
- }
- break;
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLint) obj->CompareFunc;
- }
- else {
- error = GL_TRUE;
- }
- break;
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- *params = (GLint) obj->DepthMode;
- }
- else {
- error = GL_TRUE;
- }
- break;
- case GL_TEXTURE_LOD_BIAS:
- if (ctx->Extensions.EXT_texture_lod_bias) {
- *params = (GLint) obj->LodBias;
- }
- else {
- error = GL_TRUE;
- }
- break;
-#if FEATURE_OES_draw_texture
- case GL_TEXTURE_CROP_RECT_OES:
- params[0] = obj->CropRect[0];
- params[1] = obj->CropRect[1];
- params[2] = obj->CropRect[2];
- params[3] = obj->CropRect[3];
- break;
-#endif
- case GL_TEXTURE_SWIZZLE_R_EXT:
- case GL_TEXTURE_SWIZZLE_G_EXT:
- case GL_TEXTURE_SWIZZLE_B_EXT:
- case GL_TEXTURE_SWIZZLE_A_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
- *params = obj->Swizzle[comp];
- }
- else {
- error = GL_TRUE;
- }
- break;
-
- case GL_TEXTURE_SWIZZLE_RGBA_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- COPY_4V(params, obj->Swizzle);
- }
- else {
- error = GL_TRUE;
- }
- break;
-
- default:
- ; /* silence warnings */
- }
-
- if (error)
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
- pname);
-
- _mesa_unlock_texture(ctx, obj);
-}
-
-
-/** New in GL 3.0 */
-void GLAPIENTRY
-_mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
-{
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_TRUE);
-
- switch (pname) {
- case GL_TEXTURE_BORDER_COLOR:
- COPY_4V(params, texObj->BorderColor.i);
- break;
- default:
- _mesa_GetTexParameteriv(target, pname, params);
- }
-}
-
-
-/** New in GL 3.0 */
-void GLAPIENTRY
-_mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
-{
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- texObj = get_texobj(ctx, target, GL_TRUE);
-
- switch (pname) {
- case GL_TEXTURE_BORDER_COLOR:
- COPY_4V(params, texObj->BorderColor.i);
- break;
- default:
- {
- GLint ip[4];
- _mesa_GetTexParameteriv(target, pname, ip);
- params[0] = ip[0];
- if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
- pname == GL_TEXTURE_CROP_RECT_OES) {
- params[1] = ip[1];
- params[2] = ip[2];
- params[3] = ip[3];
- }
- }
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file texparam.c
+ *
+ * glTexParameter-related functions
+ */
+
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/context.h"
+#include "main/enums.h"
+#include "main/formats.h"
+#include "main/macros.h"
+#include "main/mfeatures.h"
+#include "main/mtypes.h"
+#include "main/state.h"
+#include "main/texcompress.h"
+#include "main/texparam.h"
+#include "main/teximage.h"
+#include "main/texstate.h"
+#include "main/texfetch.h"
+#include "program/prog_instruction.h"
+
+
+/**
+ * Check if a coordinate wrap mode is supported for the texture target.
+ * \return GL_TRUE if legal, GL_FALSE otherwise
+ */
+static GLboolean
+validate_texture_wrap_mode(struct gl_context * ctx, GLenum target, GLenum wrap)
+{
+ const struct gl_extensions * const e = & ctx->Extensions;
+
+ if (wrap == GL_CLAMP || wrap == GL_CLAMP_TO_EDGE ||
+ (wrap == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) {
+ /* any texture target */
+ return GL_TRUE;
+ }
+ else if (target != GL_TEXTURE_RECTANGLE_NV &&
+ (wrap == GL_REPEAT ||
+ (wrap == GL_MIRRORED_REPEAT &&
+ e->ARB_texture_mirrored_repeat) ||
+ (wrap == GL_MIRROR_CLAMP_EXT &&
+ (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
+ (wrap == GL_MIRROR_CLAMP_TO_EDGE_EXT &&
+ (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
+ (wrap == GL_MIRROR_CLAMP_TO_BORDER_EXT &&
+ (e->EXT_texture_mirror_clamp)))) {
+ /* non-rectangle texture */
+ return GL_TRUE;
+ }
+
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", wrap );
+ return GL_FALSE;
+}
+
+
+/**
+ * Get current texture object for given target.
+ * Return NULL if any error (and record the error).
+ * Note that this is different from _mesa_select_tex_object() in that proxy
+ * targets are not accepted.
+ * Only the glGetTexLevelParameter() functions accept proxy targets.
+ */
+static struct gl_texture_object *
+get_texobj(struct gl_context *ctx, GLenum target, GLboolean get)
+{
+ struct gl_texture_unit *texUnit;
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "gl%sTexParameter(current unit)", get ? "Get" : "");
+ return NULL;
+ }
+
+ texUnit = _mesa_get_current_tex_unit(ctx);
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return texUnit->CurrentTex[TEXTURE_1D_INDEX];
+ case GL_TEXTURE_2D:
+ return texUnit->CurrentTex[TEXTURE_2D_INDEX];
+ case GL_TEXTURE_3D:
+ return texUnit->CurrentTex[TEXTURE_3D_INDEX];
+ case GL_TEXTURE_CUBE_MAP:
+ if (ctx->Extensions.ARB_texture_cube_map) {
+ return texUnit->CurrentTex[TEXTURE_CUBE_INDEX];
+ }
+ break;
+ case GL_TEXTURE_RECTANGLE_NV:
+ if (ctx->Extensions.NV_texture_rectangle) {
+ return texUnit->CurrentTex[TEXTURE_RECT_INDEX];
+ }
+ break;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ if (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array) {
+ return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
+ }
+ break;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ if (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array) {
+ return texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX];
+ }
+ break;
+ default:
+ ;
+ }
+
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "gl%sTexParameter(target)", get ? "Get" : "");
+ return NULL;
+}
+
+
+/**
+ * Convert GL_RED/GREEN/BLUE/ALPHA/ZERO/ONE to SWIZZLE_X/Y/Z/W/ZERO/ONE.
+ * \return -1 if error.
+ */
+static GLint
+comp_to_swizzle(GLenum comp)
+{
+ switch (comp) {
+ case GL_RED:
+ return SWIZZLE_X;
+ case GL_GREEN:
+ return SWIZZLE_Y;
+ case GL_BLUE:
+ return SWIZZLE_Z;
+ case GL_ALPHA:
+ return SWIZZLE_W;
+ case GL_ZERO:
+ return SWIZZLE_ZERO;
+ case GL_ONE:
+ return SWIZZLE_ONE;
+ default:
+ return -1;
+ }
+}
+
+
+static void
+set_swizzle_component(GLuint *swizzle, GLuint comp, GLuint swz)
+{
+ ASSERT(comp < 4);
+ ASSERT(swz <= SWIZZLE_NIL);
+ {
+ GLuint mask = 0x7 << (3 * comp);
+ GLuint s = (*swizzle & ~mask) | (swz << (3 * comp));
+ *swizzle = s;
+ }
+}
+
+
+/**
+ * This is called just prior to changing any texture object state which
+ * will not effect texture completeness.
+ */
+static INLINE void
+flush(struct gl_context *ctx)
+{
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+}
+
+
+/**
+ * This is called just prior to changing any texture object state which
+ * can effect texture completeness (texture base level, max level,
+ * minification filter).
+ * Any pending rendering will be flushed out, we'll set the _NEW_TEXTURE
+ * state flag and then mark the texture object as 'incomplete' so that any
+ * per-texture derived state gets recomputed.
+ */
+static INLINE void
+incomplete(struct gl_context *ctx, struct gl_texture_object *texObj)
+{
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->_Complete = GL_FALSE;
+}
+
+
+/**
+ * Set an integer-valued texture parameter
+ * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
+ */
+static GLboolean
+set_tex_parameteri(struct gl_context *ctx,
+ struct gl_texture_object *texObj,
+ GLenum pname, const GLint *params)
+{
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ if (texObj->MinFilter == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ incomplete(ctx, texObj);
+ texObj->MinFilter = params[0];
+ return GL_TRUE;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ case GL_LINEAR_MIPMAP_NEAREST:
+ case GL_NEAREST_MIPMAP_LINEAR:
+ case GL_LINEAR_MIPMAP_LINEAR:
+ if (texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
+ incomplete(ctx, texObj);
+ texObj->MinFilter = params[0];
+ return GL_TRUE;
+ }
+ /* fall-through */
+ default:
+ goto invalid_param;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_MAG_FILTER:
+ if (texObj->MagFilter == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_NEAREST:
+ case GL_LINEAR:
+ flush(ctx); /* does not effect completeness */
+ texObj->MagFilter = params[0];
+ return GL_TRUE;
+ default:
+ goto invalid_param;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_S:
+ if (texObj->WrapS == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx);
+ texObj->WrapS = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_T:
+ if (texObj->WrapT == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx);
+ texObj->WrapT = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_WRAP_R:
+ if (texObj->WrapR == params[0])
+ return GL_FALSE;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, params[0])) {
+ flush(ctx);
+ texObj->WrapR = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_BASE_LEVEL:
+ if (texObj->BaseLevel == params[0])
+ return GL_FALSE;
+ if (params[0] < 0 ||
+ (texObj->Target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexParameter(param=%d)", params[0]);
+ return GL_FALSE;
+ }
+ incomplete(ctx, texObj);
+ texObj->BaseLevel = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_LEVEL:
+ if (texObj->MaxLevel == params[0])
+ return GL_FALSE;
+ if (params[0] < 0 || texObj->Target == GL_TEXTURE_RECTANGLE_ARB) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(param=%d)", params[0]);
+ return GL_FALSE;
+ }
+ incomplete(ctx, texObj);
+ texObj->MaxLevel = params[0];
+ return GL_TRUE;
+
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (texObj->GenerateMipmap != params[0]) {
+ /* no flush() */
+ texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ if (texObj->CompareMode == params[0])
+ return GL_FALSE;
+ if (params[0] == GL_NONE ||
+ params[0] == GL_COMPARE_R_TO_TEXTURE_ARB) {
+ flush(ctx);
+ texObj->CompareMode = params[0];
+ return GL_TRUE;
+ }
+ goto invalid_param;
+ }
+ goto invalid_pname;
+
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ if (texObj->CompareFunc == params[0])
+ return GL_FALSE;
+ switch (params[0]) {
+ case GL_LEQUAL:
+ case GL_GEQUAL:
+ flush(ctx);
+ texObj->CompareFunc = params[0];
+ return GL_TRUE;
+ case GL_EQUAL:
+ case GL_NOTEQUAL:
+ case GL_LESS:
+ case GL_GREATER:
+ case GL_ALWAYS:
+ case GL_NEVER:
+ if (ctx->Extensions.EXT_shadow_funcs) {
+ flush(ctx);
+ texObj->CompareFunc = params[0];
+ return GL_TRUE;
+ }
+ /* fall-through */
+ default:
+ goto invalid_param;
+ }
+ }
+ goto invalid_pname;
+
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ if (texObj->DepthMode == params[0])
+ return GL_FALSE;
+ if (params[0] == GL_LUMINANCE ||
+ params[0] == GL_INTENSITY ||
+ params[0] == GL_ALPHA ||
+ (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED)) {
+ flush(ctx);
+ texObj->DepthMode = params[0];
+ return GL_TRUE;
+ }
+ goto invalid_param;
+ }
+ goto invalid_pname;
+
+#if FEATURE_OES_draw_texture
+ case GL_TEXTURE_CROP_RECT_OES:
+ texObj->CropRect[0] = params[0];
+ texObj->CropRect[1] = params[1];
+ texObj->CropRect[2] = params[2];
+ texObj->CropRect[3] = params[3];
+ return GL_TRUE;
+#endif
+
+ case GL_TEXTURE_SWIZZLE_R_EXT:
+ case GL_TEXTURE_SWIZZLE_G_EXT:
+ case GL_TEXTURE_SWIZZLE_B_EXT:
+ case GL_TEXTURE_SWIZZLE_A_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ const GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
+ const GLint swz = comp_to_swizzle(params[0]);
+ if (swz < 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(swizzle 0x%x)", params[0]);
+ return GL_FALSE;
+ }
+ ASSERT(comp < 4);
+ if (swz >= 0) {
+ flush(ctx);
+ texObj->Swizzle[comp] = params[0];
+ set_swizzle_component(&texObj->_Swizzle, comp, swz);
+ return GL_TRUE;
+ }
+ }
+ goto invalid_pname;
+
+ case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp;
+ flush(ctx);
+ for (comp = 0; comp < 4; comp++) {
+ const GLint swz = comp_to_swizzle(params[comp]);
+ if (swz >= 0) {
+ texObj->Swizzle[comp] = params[comp];
+ set_swizzle_component(&texObj->_Swizzle, comp, swz);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexParameter(swizzle 0x%x)", params[comp]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+ }
+ goto invalid_pname;
+
+ case GL_TEXTURE_SRGB_DECODE_EXT:
+ if (ctx->Extensions.EXT_texture_sRGB_decode) {
+ GLenum decode = params[0];
+ if (decode == GL_DECODE_EXT || decode == GL_SKIP_DECODE_EXT) {
+ if (texObj->sRGBDecode != decode) {
+ flush(ctx);
+ texObj->sRGBDecode = decode;
+ _mesa_update_fetch_functions(texObj);
+ }
+ return GL_TRUE;
+ }
+ }
+ goto invalid_pname;
+
+ default:
+ goto invalid_pname;
+ }
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+ return GL_FALSE;
+
+invalid_param:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param=%s)",
+ _mesa_lookup_enum_by_nr(params[0]));
+ return GL_FALSE;
+}
+
+
+/**
+ * Set a float-valued texture parameter
+ * \return GL_TRUE if legal AND the value changed, GL_FALSE otherwise
+ */
+static GLboolean
+set_tex_parameterf(struct gl_context *ctx,
+ struct gl_texture_object *texObj,
+ GLenum pname, const GLfloat *params)
+{
+ switch (pname) {
+ case GL_TEXTURE_MIN_LOD:
+ if (texObj->MinLod == params[0])
+ return GL_FALSE;
+ flush(ctx);
+ texObj->MinLod = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_LOD:
+ if (texObj->MaxLod == params[0])
+ return GL_FALSE;
+ flush(ctx);
+ texObj->MaxLod = params[0];
+ return GL_TRUE;
+
+ case GL_TEXTURE_PRIORITY:
+ flush(ctx);
+ texObj->Priority = CLAMP(params[0], 0.0F, 1.0F);
+ return GL_TRUE;
+
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ if (texObj->MaxAnisotropy == params[0])
+ return GL_FALSE;
+ if (params[0] < 1.0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return GL_FALSE;
+ }
+ flush(ctx);
+ /* clamp to max, that's what NVIDIA does */
+ texObj->MaxAnisotropy = MIN2(params[0],
+ ctx->Const.MaxTextureMaxAnisotropy);
+ return GL_TRUE;
+ }
+ else {
+ static GLuint count = 0;
+ if (count++ < 10)
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ if (texObj->CompareFailValue != params[0]) {
+ flush(ctx);
+ texObj->CompareFailValue = CLAMP(params[0], 0.0F, 1.0F);
+ return GL_TRUE;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_COMPARE_FAIL_VALUE_ARB)");
+ }
+ return GL_FALSE;
+
+ case GL_TEXTURE_LOD_BIAS:
+ /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias */
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ if (texObj->LodBias != params[0]) {
+ flush(ctx);
+ texObj->LodBias = params[0];
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+ }
+ break;
+
+ case GL_TEXTURE_BORDER_COLOR:
+ flush(ctx);
+ /* ARB_texture_float disables clamping */
+ if (ctx->Extensions.ARB_texture_float) {
+ texObj->BorderColor.f[RCOMP] = params[0];
+ texObj->BorderColor.f[GCOMP] = params[1];
+ texObj->BorderColor.f[BCOMP] = params[2];
+ texObj->BorderColor.f[ACOMP] = params[3];
+ } else {
+ texObj->BorderColor.f[RCOMP] = CLAMP(params[0], 0.0F, 1.0F);
+ texObj->BorderColor.f[GCOMP] = CLAMP(params[1], 0.0F, 1.0F);
+ texObj->BorderColor.f[BCOMP] = CLAMP(params[2], 0.0F, 1.0F);
+ texObj->BorderColor.f[ACOMP] = CLAMP(params[3], 0.0F, 1.0F);
+ }
+ return GL_TRUE;
+
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
+ }
+ return GL_FALSE;
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameterf(GLenum target, GLenum pname, GLfloat param)
+{
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_TEXTURE_WRAP_R:
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_GENERATE_MIPMAP_SGIS:
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ case GL_TEXTURE_SRGB_DECODE_EXT:
+ {
+ /* convert float param to int */
+ GLint p[4];
+ p[0] = (GLint) param;
+ p[1] = p[2] = p[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, p);
+ }
+ break;
+ default:
+ {
+ /* this will generate an error if pname is illegal */
+ GLfloat p[4];
+ p[0] = param;
+ p[1] = p[2] = p[3] = 0.0F;
+ need_update = set_tex_parameterf(ctx, texObj, pname, p);
+ }
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, &param);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameterfv(GLenum target, GLenum pname, const GLfloat *params)
+{
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_TEXTURE_WRAP_R:
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_GENERATE_MIPMAP_SGIS:
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ case GL_TEXTURE_SRGB_DECODE_EXT:
+ {
+ /* convert float param to int */
+ GLint p[4];
+ p[0] = (GLint) params[0];
+ p[1] = p[2] = p[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, p);
+ }
+ break;
+
+#if FEATURE_OES_draw_texture
+ case GL_TEXTURE_CROP_RECT_OES:
+ {
+ /* convert float params to int */
+ GLint iparams[4];
+ iparams[0] = (GLint) params[0];
+ iparams[1] = (GLint) params[1];
+ iparams[2] = (GLint) params[2];
+ iparams[3] = (GLint) params[3];
+ need_update = set_tex_parameteri(ctx, texObj, pname, iparams);
+ }
+ break;
+#endif
+
+ default:
+ /* this will generate an error if pname is illegal */
+ need_update = set_tex_parameterf(ctx, texObj, pname, params);
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, params);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameteri(GLenum target, GLenum pname, GLint param)
+{
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ case GL_TEXTURE_PRIORITY:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ case GL_TEXTURE_LOD_BIAS:
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ {
+ GLfloat fparam[4];
+ fparam[0] = (GLfloat) param;
+ fparam[1] = fparam[2] = fparam[3] = 0.0F;
+ /* convert int param to float */
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparam);
+ }
+ break;
+ default:
+ /* this will generate an error if pname is illegal */
+ {
+ GLint iparam[4];
+ iparam[0] = param;
+ iparam[1] = iparam[2] = iparam[3] = 0;
+ need_update = set_tex_parameteri(ctx, texObj, pname, iparam);
+ }
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ GLfloat fparam = (GLfloat) param;
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, &fparam);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
+{
+ GLboolean need_update;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ {
+ /* convert int params to float */
+ GLfloat fparams[4];
+ fparams[0] = INT_TO_FLOAT(params[0]);
+ fparams[1] = INT_TO_FLOAT(params[1]);
+ fparams[2] = INT_TO_FLOAT(params[2]);
+ fparams[3] = INT_TO_FLOAT(params[3]);
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
+ }
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ case GL_TEXTURE_PRIORITY:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ case GL_TEXTURE_LOD_BIAS:
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ {
+ /* convert int param to float */
+ GLfloat fparams[4];
+ fparams[0] = (GLfloat) params[0];
+ fparams[1] = fparams[2] = fparams[3] = 0.0F;
+ need_update = set_tex_parameterf(ctx, texObj, pname, fparams);
+ }
+ break;
+ default:
+ /* this will generate an error if pname is illegal */
+ need_update = set_tex_parameteri(ctx, texObj, pname, params);
+ }
+
+ if (ctx->Driver.TexParameter && need_update) {
+ GLfloat fparams[4];
+ fparams[0] = INT_TO_FLOAT(params[0]);
+ if (pname == GL_TEXTURE_BORDER_COLOR ||
+ pname == GL_TEXTURE_CROP_RECT_OES) {
+ fparams[1] = INT_TO_FLOAT(params[1]);
+ fparams[2] = INT_TO_FLOAT(params[2]);
+ fparams[3] = INT_TO_FLOAT(params[3]);
+ }
+ ctx->Driver.TexParameter(ctx, target, texObj, pname, fparams);
+ }
+}
+
+
+/**
+ * Set tex parameter to integer value(s). Primarily intended to set
+ * integer-valued texture border color (for integer-valued textures).
+ * New in GL 3.0.
+ */
+void GLAPIENTRY
+_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ /* set the integer-valued border color */
+ COPY_4V(texObj->BorderColor.i, params);
+ break;
+ default:
+ _mesa_TexParameteriv(target, pname, params);
+ break;
+ }
+ /* XXX no driver hook for TexParameterIiv() yet */
+}
+
+
+/**
+ * Set tex parameter to unsigned integer value(s). Primarily intended to set
+ * uint-valued texture border color (for integer-valued textures).
+ * New in GL 3.0
+ */
+void GLAPIENTRY
+_mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_FALSE);
+ if (!texObj)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ /* set the unsigned integer-valued border color */
+ COPY_4V(texObj->BorderColor.ui, params);
+ break;
+ default:
+ _mesa_TexParameteriv(target, pname, (const GLint *) params);
+ break;
+ }
+ /* XXX no driver hook for TexParameterIuiv() yet */
+}
+
+
+
+
+void GLAPIENTRY
+_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
+ GLenum pname, GLfloat *params )
+{
+ GLint iparam;
+ _mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
+ *params = (GLfloat) iparam;
+}
+
+
+void GLAPIENTRY
+_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
+ GLenum pname, GLint *params )
+{
+ const struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ const struct gl_texture_image *img = NULL;
+ GLint maxLevels;
+ gl_format texFormat;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameteriv(current unit)");
+ return;
+ }
+
+ texUnit = _mesa_get_current_tex_unit(ctx);
+
+ /* this will catch bad target values */
+ maxLevels = _mesa_max_texture_levels(ctx, target);
+ if (maxLevels == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(target=0x%x)", target);
+ return;
+ }
+
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
+ return;
+ }
+
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ img = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!img || !img->TexFormat) {
+ /* undefined texture image */
+ if (pname == GL_TEXTURE_COMPONENTS)
+ *params = 1;
+ else
+ *params = 0;
+ return;
+ }
+
+ texFormat = img->TexFormat;
+
+ switch (pname) {
+ case GL_TEXTURE_WIDTH:
+ *params = img->Width;
+ break;
+ case GL_TEXTURE_HEIGHT:
+ *params = img->Height;
+ break;
+ case GL_TEXTURE_DEPTH:
+ *params = img->Depth;
+ break;
+ case GL_TEXTURE_INTERNAL_FORMAT:
+ if (_mesa_is_format_compressed(texFormat)) {
+ /* need to return the actual compressed format */
+ *params = _mesa_compressed_format_to_glenum(ctx, texFormat);
+ }
+ else {
+ /* return the user's requested internal format */
+ *params = img->InternalFormat;
+ }
+ break;
+ case GL_TEXTURE_BORDER:
+ *params = img->Border;
+ break;
+ case GL_TEXTURE_RED_SIZE:
+ if (img->_BaseFormat == GL_RED) {
+ *params = _mesa_get_format_bits(texFormat, pname);
+ break;
+ }
+ /* FALLTHROUGH */
+ case GL_TEXTURE_GREEN_SIZE:
+ if (img->_BaseFormat == GL_RG) {
+ *params = _mesa_get_format_bits(texFormat, pname);
+ break;
+ }
+ /* FALLTHROUGH */
+ case GL_TEXTURE_BLUE_SIZE:
+ if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
+ *params = _mesa_get_format_bits(texFormat, pname);
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_ALPHA_SIZE:
+ if (img->_BaseFormat == GL_ALPHA ||
+ img->_BaseFormat == GL_LUMINANCE_ALPHA ||
+ img->_BaseFormat == GL_RGBA)
+ *params = _mesa_get_format_bits(texFormat, pname);
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_INTENSITY_SIZE:
+ if (img->_BaseFormat != GL_INTENSITY)
+ *params = 0;
+ else {
+ *params = _mesa_get_format_bits(texFormat, pname);
+ if (*params == 0) {
+ /* intensity probably stored as rgb texture */
+ *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
+ _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
+ }
+ }
+ break;
+ case GL_TEXTURE_LUMINANCE_SIZE:
+ if (img->_BaseFormat != GL_LUMINANCE &&
+ img->_BaseFormat != GL_LUMINANCE_ALPHA)
+ *params = 0;
+ else {
+ *params = _mesa_get_format_bits(texFormat, pname);
+ if (*params == 0) {
+ /* luminance probably stored as rgb texture */
+ *params = MIN2(_mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE),
+ _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE));
+ }
+ }
+ break;
+ case GL_TEXTURE_INDEX_SIZE_EXT:
+ if (img->_BaseFormat == GL_COLOR_INDEX)
+ *params = _mesa_get_format_bits(texFormat, pname);
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_DEPTH_SIZE_ARB:
+ if (ctx->Extensions.ARB_depth_texture)
+ *params = _mesa_get_format_bits(texFormat, pname);
+ else
+ goto invalid_pname;
+ break;
+ case GL_TEXTURE_STENCIL_SIZE_EXT:
+ if (ctx->Extensions.EXT_packed_depth_stencil ||
+ ctx->Extensions.ARB_framebuffer_object) {
+ *params = _mesa_get_format_bits(texFormat, pname);
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_SHARED_SIZE:
+ if (ctx->VersionMajor >= 3) {
+ /* XXX return number of exponent bits for shared exponent texture
+ * formats, like GL_RGB9_E5.
+ */
+ *params = 0;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+
+ /* GL_ARB_texture_compression */
+ case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
+ if (_mesa_is_format_compressed(texFormat) &&
+ !_mesa_is_proxy_texture(target)) {
+ *params = _mesa_format_image_size(texFormat, img->Width,
+ img->Height, img->Depth);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameter[if]v(pname)");
+ }
+ break;
+ case GL_TEXTURE_COMPRESSED:
+ *params = (GLint) _mesa_is_format_compressed(texFormat);
+ break;
+
+ /* GL_ARB_texture_float */
+ case GL_TEXTURE_RED_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_RED_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_GREEN_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_GREEN_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_BLUE_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_BLUE_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_ALPHA_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_ALPHA_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_LUMINANCE_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_LUMINANCE_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_INTENSITY_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_INTENSITY_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+ case GL_TEXTURE_DEPTH_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = _mesa_get_format_bits(texFormat, GL_TEXTURE_DEPTH_SIZE) ?
+ _mesa_get_format_datatype(texFormat) : GL_NONE;
+ }
+ else {
+ goto invalid_pname;
+ }
+ break;
+
+ default:
+ goto invalid_pname;
+ }
+
+ /* no error if we get here */
+ return;
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+}
+
+
+
+void GLAPIENTRY
+_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
+{
+ struct gl_texture_object *obj;
+ GLboolean error = GL_FALSE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ obj = get_texobj(ctx, target, GL_TRUE);
+ if (!obj)
+ return;
+
+ _mesa_lock_texture(ctx, obj);
+ switch (pname) {
+ case GL_TEXTURE_MAG_FILTER:
+ *params = ENUM_TO_FLOAT(obj->MagFilter);
+ break;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = ENUM_TO_FLOAT(obj->MinFilter);
+ break;
+ case GL_TEXTURE_WRAP_S:
+ *params = ENUM_TO_FLOAT(obj->WrapS);
+ break;
+ case GL_TEXTURE_WRAP_T:
+ *params = ENUM_TO_FLOAT(obj->WrapT);
+ break;
+ case GL_TEXTURE_WRAP_R:
+ *params = ENUM_TO_FLOAT(obj->WrapR);
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ if(ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
+ _mesa_update_state_locked(ctx);
+ if(ctx->Color._ClampFragmentColor)
+ {
+ params[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F);
+ params[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F);
+ params[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F);
+ params[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F);
+ }
+ else
+ {
+ params[0] = obj->BorderColor.f[0];
+ params[1] = obj->BorderColor.f[1];
+ params[2] = obj->BorderColor.f[2];
+ params[3] = obj->BorderColor.f[3];
+ }
+ break;
+ case GL_TEXTURE_RESIDENT:
+ {
+ GLboolean resident;
+ if (ctx->Driver.IsTextureResident)
+ resident = ctx->Driver.IsTextureResident(ctx, obj);
+ else
+ resident = GL_TRUE;
+ *params = ENUM_TO_FLOAT(resident);
+ }
+ break;
+ case GL_TEXTURE_PRIORITY:
+ *params = obj->Priority;
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ *params = obj->MinLod;
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ *params = obj->MaxLod;
+ break;
+ case GL_TEXTURE_BASE_LEVEL:
+ *params = (GLfloat) obj->BaseLevel;
+ break;
+ case GL_TEXTURE_MAX_LEVEL:
+ *params = (GLfloat) obj->MaxLevel;
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ *params = obj->MaxAnisotropy;
+ }
+ else
+ error = GL_TRUE;
+ break;
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ *params = obj->CompareFailValue;
+ }
+ else
+ error = GL_TRUE;
+ break;
+ case GL_GENERATE_MIPMAP_SGIS:
+ *params = (GLfloat) obj->GenerateMipmap;
+ break;
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLfloat) obj->CompareMode;
+ }
+ else
+ error = GL_TRUE;
+ break;
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLfloat) obj->CompareFunc;
+ }
+ else
+ error = GL_TRUE;
+ break;
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ *params = (GLfloat) obj->DepthMode;
+ }
+ else
+ error = GL_TRUE;
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ *params = obj->LodBias;
+ }
+ else
+ error = GL_TRUE;
+ break;
+#if FEATURE_OES_draw_texture
+ case GL_TEXTURE_CROP_RECT_OES:
+ params[0] = obj->CropRect[0];
+ params[1] = obj->CropRect[1];
+ params[2] = obj->CropRect[2];
+ params[3] = obj->CropRect[3];
+ break;
+#endif
+
+ case GL_TEXTURE_SWIZZLE_R_EXT:
+ case GL_TEXTURE_SWIZZLE_G_EXT:
+ case GL_TEXTURE_SWIZZLE_B_EXT:
+ case GL_TEXTURE_SWIZZLE_A_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
+ *params = (GLfloat) obj->Swizzle[comp];
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
+ case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp;
+ for (comp = 0; comp < 4; comp++) {
+ params[comp] = (GLfloat) obj->Swizzle[comp];
+ }
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
+ default:
+ error = GL_TRUE;
+ break;
+ }
+
+ if (error)
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
+ pname);
+
+ _mesa_unlock_texture(ctx, obj);
+}
+
+
+void GLAPIENTRY
+_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
+{
+ struct gl_texture_object *obj;
+ GLboolean error = GL_FALSE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ obj = get_texobj(ctx, target, GL_TRUE);
+ if (!obj)
+ return;
+
+ _mesa_lock_texture(ctx, obj);
+ switch (pname) {
+ case GL_TEXTURE_MAG_FILTER:
+ *params = (GLint) obj->MagFilter;
+ break;;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = (GLint) obj->MinFilter;
+ break;;
+ case GL_TEXTURE_WRAP_S:
+ *params = (GLint) obj->WrapS;
+ break;;
+ case GL_TEXTURE_WRAP_T:
+ *params = (GLint) obj->WrapT;
+ break;;
+ case GL_TEXTURE_WRAP_R:
+ *params = (GLint) obj->WrapR;
+ break;;
+ case GL_TEXTURE_BORDER_COLOR:
+ {
+ GLfloat b[4];
+ b[0] = CLAMP(obj->BorderColor.f[0], 0.0F, 1.0F);
+ b[1] = CLAMP(obj->BorderColor.f[1], 0.0F, 1.0F);
+ b[2] = CLAMP(obj->BorderColor.f[2], 0.0F, 1.0F);
+ b[3] = CLAMP(obj->BorderColor.f[3], 0.0F, 1.0F);
+ params[0] = FLOAT_TO_INT(b[0]);
+ params[1] = FLOAT_TO_INT(b[1]);
+ params[2] = FLOAT_TO_INT(b[2]);
+ params[3] = FLOAT_TO_INT(b[3]);
+ }
+ break;;
+ case GL_TEXTURE_RESIDENT:
+ {
+ GLboolean resident;
+ if (ctx->Driver.IsTextureResident)
+ resident = ctx->Driver.IsTextureResident(ctx, obj);
+ else
+ resident = GL_TRUE;
+ *params = (GLint) resident;
+ }
+ break;;
+ case GL_TEXTURE_PRIORITY:
+ *params = FLOAT_TO_INT(obj->Priority);
+ break;;
+ case GL_TEXTURE_MIN_LOD:
+ *params = (GLint) obj->MinLod;
+ break;;
+ case GL_TEXTURE_MAX_LOD:
+ *params = (GLint) obj->MaxLod;
+ break;;
+ case GL_TEXTURE_BASE_LEVEL:
+ *params = obj->BaseLevel;
+ break;;
+ case GL_TEXTURE_MAX_LEVEL:
+ *params = obj->MaxLevel;
+ break;;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ *params = (GLint) obj->MaxAnisotropy;
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ *params = (GLint) FLOAT_TO_INT(obj->CompareFailValue);
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+ case GL_GENERATE_MIPMAP_SGIS:
+ *params = (GLint) obj->GenerateMipmap;
+ break;
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLint) obj->CompareMode;
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLint) obj->CompareFunc;
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ *params = (GLint) obj->DepthMode;
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ *params = (GLint) obj->LodBias;
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+#if FEATURE_OES_draw_texture
+ case GL_TEXTURE_CROP_RECT_OES:
+ params[0] = obj->CropRect[0];
+ params[1] = obj->CropRect[1];
+ params[2] = obj->CropRect[2];
+ params[3] = obj->CropRect[3];
+ break;
+#endif
+ case GL_TEXTURE_SWIZZLE_R_EXT:
+ case GL_TEXTURE_SWIZZLE_G_EXT:
+ case GL_TEXTURE_SWIZZLE_B_EXT:
+ case GL_TEXTURE_SWIZZLE_A_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ GLuint comp = pname - GL_TEXTURE_SWIZZLE_R_EXT;
+ *params = obj->Swizzle[comp];
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
+ case GL_TEXTURE_SWIZZLE_RGBA_EXT:
+ if (ctx->Extensions.EXT_texture_swizzle) {
+ COPY_4V(params, obj->Swizzle);
+ }
+ else {
+ error = GL_TRUE;
+ }
+ break;
+
+ default:
+ ; /* silence warnings */
+ }
+
+ if (error)
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)",
+ pname);
+
+ _mesa_unlock_texture(ctx, obj);
+}
+
+
+/** New in GL 3.0 */
+void GLAPIENTRY
+_mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_TRUE);
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ COPY_4V(params, texObj->BorderColor.i);
+ break;
+ default:
+ _mesa_GetTexParameteriv(target, pname, params);
+ }
+}
+
+
+/** New in GL 3.0 */
+void GLAPIENTRY
+_mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ texObj = get_texobj(ctx, target, GL_TRUE);
+
+ switch (pname) {
+ case GL_TEXTURE_BORDER_COLOR:
+ COPY_4V(params, texObj->BorderColor.i);
+ break;
+ default:
+ {
+ GLint ip[4];
+ _mesa_GetTexParameteriv(target, pname, ip);
+ params[0] = ip[0];
+ if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT ||
+ pname == GL_TEXTURE_CROP_RECT_OES) {
+ params[1] = ip[1];
+ params[2] = ip[2];
+ params[3] = ip[3];
+ }
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 13:48:56 +0000