diff options
author | marha <marha@users.sourceforge.net> | 2011-01-24 07:11:21 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-01-24 07:11:21 +0000 |
commit | 75c2deab5262ebfb4aea4fe63e144488150f921a (patch) | |
tree | 6b4043197bcbd76f2497138efdd63929a9eb5d2e /mesalib/src/mesa/main/texparam.c | |
parent | b680cf39ed5bc37e0eb7eb86ad8599bf92df3f2b (diff) | |
download | vcxsrv-75c2deab5262ebfb4aea4fe63e144488150f921a.tar.gz vcxsrv-75c2deab5262ebfb4aea4fe63e144488150f921a.tar.bz2 vcxsrv-75c2deab5262ebfb4aea4fe63e144488150f921a.zip |
mesa git update 24 jan 2011
Diffstat (limited to 'mesalib/src/mesa/main/texparam.c')
-rw-r--r-- | mesalib/src/mesa/main/texparam.c | 2883 |
1 files changed, 1448 insertions, 1435 deletions
diff --git a/mesalib/src/mesa/main/texparam.c b/mesalib/src/mesa/main/texparam.c index 66935af91..4909b76cb 100644 --- a/mesalib/src/mesa/main/texparam.c +++ b/mesalib/src/mesa/main/texparam.c @@ -1,1435 +1,1448 @@ -/*
- * 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/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) {
- return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX];
- }
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- if (ctx->Extensions.MESA_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.
- * 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
-flush(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:
- flush(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) {
- flush(ctx, texObj);
- texObj->MinFilter = params[0];
- return GL_TRUE;
- }
- /* fall-through */
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)",
- params[0] );
- }
- 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, texObj);
- texObj->MagFilter = params[0];
- return GL_TRUE;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)",
- params[0]);
- }
- 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);
- 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);
- 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);
- 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;
- }
- flush(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;
- }
- flush(ctx, texObj);
- texObj->MaxLevel = params[0];
- return GL_TRUE;
-
- case GL_GENERATE_MIPMAP_SGIS:
- if (texObj->GenerateMipmap != params[0]) {
- flush(ctx, texObj);
- 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 &&
- (params[0] == GL_NONE ||
- params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) {
- if (texObj->CompareMode != params[0]) {
- flush(ctx, texObj);
- texObj->CompareMode = params[0];
- return GL_TRUE;
- }
- return GL_FALSE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(GL_TEXTURE_COMPARE_MODE_ARB)");
- }
- return GL_FALSE;
-
- 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);
- 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);
- texObj->CompareFunc = params[0];
- return GL_TRUE;
- }
- /* fall-through */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(GL_TEXTURE_COMPARE_FUNC_ARB)");
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
- }
- return GL_FALSE;
-
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture &&
- (params[0] == GL_LUMINANCE ||
- params[0] == GL_INTENSITY ||
- params[0] == GL_ALPHA ||
- (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED))) {
- if (texObj->DepthMode != params[0]) {
- flush(ctx, texObj);
- texObj->DepthMode = params[0];
- return GL_TRUE;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(GL_DEPTH_TEXTURE_MODE_ARB)");
- }
- return GL_FALSE;
-
-#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);
- texObj->Swizzle[comp] = params[0];
- set_swizzle_component(&texObj->_Swizzle, comp, swz);
- return GL_TRUE;
- }
- }
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
- return GL_FALSE;
-
- case GL_TEXTURE_SWIZZLE_RGBA_EXT:
- if (ctx->Extensions.EXT_texture_swizzle) {
- GLuint comp;
- flush(ctx, texObj);
- 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;
- }
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
- return GL_FALSE;
- 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);
- texObj->sRGBDecode = decode;
- _mesa_update_fetch_functions(texObj);
- }
- return GL_TRUE;
- }
- }
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
- return GL_FALSE;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname);
- }
- 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);
- texObj->MinLod = params[0];
- return GL_TRUE;
-
- case GL_TEXTURE_MAX_LOD:
- if (texObj->MaxLod == params[0])
- return GL_FALSE;
- flush(ctx, texObj);
- texObj->MaxLod = params[0];
- return GL_TRUE;
-
- case GL_TEXTURE_PRIORITY:
- flush(ctx, texObj);
- 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, texObj);
- /* 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);
- 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);
- texObj->LodBias = params[0];
- return GL_TRUE;
- }
- return GL_FALSE;
- }
- break;
-
- case GL_TEXTURE_BORDER_COLOR:
- flush(ctx, texObj);
- 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, ¶m);
- }
-}
-
-
-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;
- GLboolean isProxy;
- 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);
- _mesa_lock_texture(ctx, texObj);
-
- 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;
- goto out;
- }
-
- texFormat = img->TexFormat;
-
- isProxy = _mesa_is_proxy_texture(target);
-
- 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(img->TexFormat)) {
- /* need to return the actual compressed format */
- *params = _mesa_compressed_format_to_glenum(ctx, img->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
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
- break;
-
- /* GL_ARB_texture_compression */
- case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
- if (_mesa_is_format_compressed(img->TexFormat) && !isProxy) {
- *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(img->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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(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 {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
- break;
-
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
-
- out:
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-
-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/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) { + return texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX]; + } + break; + case GL_TEXTURE_2D_ARRAY_EXT: + if (ctx->Extensions.MESA_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: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", + params[0] ); + } + 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: + _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(param=0x%x)", + params[0]); + } + 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 && + (params[0] == GL_NONE || + params[0] == GL_COMPARE_R_TO_TEXTURE_ARB)) { + if (texObj->CompareMode != params[0]) { + flush(ctx); + texObj->CompareMode = params[0]; + return GL_TRUE; + } + return GL_FALSE; + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(GL_TEXTURE_COMPARE_MODE_ARB)"); + } + return GL_FALSE; + + 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: + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(GL_TEXTURE_COMPARE_FUNC_ARB)"); + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); + } + return GL_FALSE; + + case GL_DEPTH_TEXTURE_MODE_ARB: + if (ctx->Extensions.ARB_depth_texture && + (params[0] == GL_LUMINANCE || + params[0] == GL_INTENSITY || + params[0] == GL_ALPHA || + (ctx->Extensions.ARB_texture_rg && params[0] == GL_RED))) { + if (texObj->DepthMode != params[0]) { + flush(ctx); + texObj->DepthMode = params[0]; + return GL_TRUE; + } + } + else { + _mesa_error(ctx, GL_INVALID_ENUM, + "glTexParameter(GL_DEPTH_TEXTURE_MODE_ARB)"); + } + return GL_FALSE; + +#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; + } + } + _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); + return GL_FALSE; + + 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; + } + _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); + return GL_FALSE; + 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; + } + } + _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); + return GL_FALSE; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(pname=0x%x)", pname); + } + 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, ¶m); + } +} + + +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; + GLboolean isProxy; + 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); + _mesa_lock_texture(ctx, texObj); + + 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; + goto out; + } + + texFormat = img->TexFormat; + + isProxy = _mesa_is_proxy_texture(target); + + 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(img->TexFormat)) { + /* need to return the actual compressed format */ + *params = _mesa_compressed_format_to_glenum(ctx, img->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 + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + break; + + /* GL_ARB_texture_compression */ + case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: + if (_mesa_is_format_compressed(img->TexFormat) && !isProxy) { + *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(img->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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(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 { + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + break; + + default: + _mesa_error(ctx, GL_INVALID_ENUM, + "glGetTexLevelParameter[if]v(pname)"); + } + + out: + _mesa_unlock_texture(ctx, texObj); +} + + + +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]; + } + } + } +} |