#include "texgen.h"
#endif
#include "texobj.h"
+#include "texparam.h"
#include "texstate.h"
#include "mtypes.h"
#include "varray.h"
#include "texenv.h"
#include "texgen.h"
#include "texobj.h"
+#include "texparam.h"
#include "texstate.h"
#include "mtypes.h"
#include "math/m_xform.h"
texgen.c \
teximage.c \
texobj.c \
+texparam.c \
texrender.c \
texstate.c \
texstore.c \
texgen.h \
teximage.h \
texobj.h \
+texparam.h \
texrender.h \
texstate.h \
texstore.h \
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul 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/context.h"
+#include "main/enums.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/texcompress.h"
+#include "main/texparam.h"
+#include "main/teximage.h"
+
+
+#define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X))
+
+
+/**
+ * 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(GLcontext * 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_VALUE, "glTexParameter(param)" );
+ return GL_FALSE;
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param )
+{
+ _mesa_TexParameterfv(target, pname, ¶m);
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
+{
+ const GLenum eparam = (GLenum) (GLint) params[0];
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glTexParameter %s %s %.1f(%s)...\n",
+ _mesa_lookup_enum_by_nr(target),
+ _mesa_lookup_enum_by_nr(pname),
+ *params,
+ _mesa_lookup_enum_by_nr(eparam));
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameterfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ texObj = texUnit->Current1D;
+ break;
+ case GL_TEXTURE_2D:
+ texObj = texUnit->Current2D;
+ break;
+ case GL_TEXTURE_3D:
+ texObj = texUnit->Current3D;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ if (!ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
+ return;
+ }
+ texObj = texUnit->CurrentCubeMap;
+ break;
+ case GL_TEXTURE_RECTANGLE_NV:
+ if (!ctx->Extensions.NV_texture_rectangle) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
+ return;
+ }
+ texObj = texUnit->CurrentRect;
+ break;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ if (!ctx->Extensions.MESA_texture_array) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
+ return;
+ }
+ texObj = texUnit->Current1DArray;
+ break;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ if (!ctx->Extensions.MESA_texture_array) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
+ return;
+ }
+ texObj = texUnit->Current2DArray;
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ /* A small optimization */
+ if (texObj->MinFilter == eparam)
+ return;
+ if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->MinFilter = eparam;
+ }
+ else if ((eparam==GL_NEAREST_MIPMAP_NEAREST ||
+ eparam==GL_LINEAR_MIPMAP_NEAREST ||
+ eparam==GL_NEAREST_MIPMAP_LINEAR ||
+ eparam==GL_LINEAR_MIPMAP_LINEAR) &&
+ texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->MinFilter = eparam;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return;
+ }
+ break;
+ case GL_TEXTURE_MAG_FILTER:
+ /* A small optimization */
+ if (texObj->MagFilter == eparam)
+ return;
+
+ if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->MagFilter = eparam;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return;
+ }
+ break;
+ case GL_TEXTURE_WRAP_S:
+ if (texObj->WrapS == eparam)
+ return;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->WrapS = eparam;
+ }
+ else {
+ return;
+ }
+ break;
+ case GL_TEXTURE_WRAP_T:
+ if (texObj->WrapT == eparam)
+ return;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->WrapT = eparam;
+ }
+ else {
+ return;
+ }
+ break;
+ case GL_TEXTURE_WRAP_R:
+ if (texObj->WrapR == eparam)
+ return;
+ if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->WrapR = eparam;
+ }
+ else {
+ return;
+ }
+ break;
+ case GL_TEXTURE_BORDER_COLOR:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->BorderColor[RCOMP] = params[0];
+ texObj->BorderColor[GCOMP] = params[1];
+ texObj->BorderColor[BCOMP] = params[2];
+ texObj->BorderColor[ACOMP] = params[3];
+ UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]);
+ UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]);
+ UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]);
+ UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]);
+ break;
+ case GL_TEXTURE_MIN_LOD:
+ if (texObj->MinLod == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->MinLod = params[0];
+ break;
+ case GL_TEXTURE_MAX_LOD:
+ if (texObj->MaxLod == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->MaxLod = params[0];
+ break;
+ case GL_TEXTURE_BASE_LEVEL:
+ if (params[0] < 0.0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
+ return;
+ }
+ if (target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0.0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
+ return;
+ }
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->BaseLevel = (GLint) params[0];
+ break;
+ case GL_TEXTURE_MAX_LEVEL:
+ if (params[0] < 0.0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
+ return;
+ }
+ if (target == GL_TEXTURE_RECTANGLE_ARB) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(param)");
+ return;
+ }
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->MaxLevel = (GLint) params[0];
+ break;
+ case GL_TEXTURE_PRIORITY:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->Priority = CLAMP( params[0], 0.0F, 1.0F );
+ break;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ if (params[0] < 1.0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return;
+ }
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ /* clamp to max, that's what NVIDIA does */
+ texObj->MaxAnisotropy = MIN2(params[0],
+ ctx->Const.MaxTextureMaxAnisotropy);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)");
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ GLenum op = (GLenum) params[0];
+ if (op == GL_TEXTURE_LEQUAL_R_SGIX ||
+ op == GL_TEXTURE_GEQUAL_R_SGIX) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->CompareOperator = op;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)");
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)");
+ return;
+ }
+ break;
+ case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
+ if (ctx->Extensions.SGIX_shadow_ambient) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
+ return;
+ }
+ break;
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (ctx->Extensions.SGIS_generate_mipmap) {
+ texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)");
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ const GLenum mode = (GLenum) params[0];
+ if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->CompareMode = mode;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB: 0x%x)", mode);
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)");
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ const GLenum func = (GLenum) params[0];
+ if (func == GL_LEQUAL || func == GL_GEQUAL) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->CompareFunc = func;
+ }
+ else if (ctx->Extensions.EXT_shadow_funcs &&
+ (func == GL_EQUAL ||
+ func == GL_NOTEQUAL ||
+ func == GL_LESS ||
+ func == GL_GREATER ||
+ func == GL_ALWAYS ||
+ func == GL_NEVER)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->CompareFunc = func;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)");
+ return;
+ }
+ break;
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ const GLenum result = (GLenum) params[0];
+ if (result == GL_LUMINANCE || result == GL_INTENSITY
+ || result == GL_ALPHA) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->DepthMode = result;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)");
+ return;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)");
+ return;
+ }
+ break;
+ 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_VERTICES(ctx, _NEW_TEXTURE);
+ texObj->LodBias = params[0];
+ }
+ }
+ break;
+
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=0x%x)", pname);
+ return;
+ }
+
+ texObj->_Complete = GL_FALSE;
+
+ if (ctx->Driver.TexParameter) {
+ (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params );
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameteri( GLenum target, GLenum pname, GLint param )
+{
+ GLfloat fparam[4];
+ if (pname == GL_TEXTURE_PRIORITY)
+ fparam[0] = INT_TO_FLOAT(param);
+ else
+ fparam[0] = (GLfloat) param;
+ fparam[1] = fparam[2] = fparam[3] = 0.0;
+ _mesa_TexParameterfv(target, pname, fparam);
+}
+
+
+void GLAPIENTRY
+_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params )
+{
+ GLfloat fparam[4];
+ if (pname == GL_TEXTURE_BORDER_COLOR) {
+ fparam[0] = INT_TO_FLOAT(params[0]);
+ fparam[1] = INT_TO_FLOAT(params[1]);
+ fparam[2] = INT_TO_FLOAT(params[2]);
+ fparam[3] = INT_TO_FLOAT(params[3]);
+ }
+ else {
+ if (pname == GL_TEXTURE_PRIORITY)
+ fparam[0] = INT_TO_FLOAT(params[0]);
+ else
+ fparam[0] = (GLfloat) params[0];
+ fparam[1] = fparam[2] = fparam[3] = 0.0F;
+ }
+ _mesa_TexParameterfv(target, pname, fparam);
+}
+
+
+void GLAPIENTRY
+_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
+ GLenum pname, GLfloat *params )
+{
+ GLint iparam;
+ _mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
+ *params = (GLfloat) iparam;
+}
+
+
+static GLuint
+tex_image_dimensions(GLcontext *ctx, GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ return 1;
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ return 2;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ return 3;
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ return ctx->Extensions.ARB_texture_cube_map ? 2 : 0;
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle ? 2 : 0;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ return ctx->Extensions.MESA_texture_array ? 2 : 0;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ return ctx->Extensions.MESA_texture_array ? 3 : 0;
+ default:
+ _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()");
+ return 0;
+ }
+}
+
+
+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;
+ GLuint dimensions;
+ GLboolean isProxy;
+ GLint maxLevels;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameteriv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ /* this will catch bad target values */
+ dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */
+ if (dimensions == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
+ return;
+ }
+
+ maxLevels = _mesa_max_texture_levels(ctx, target);
+ if (maxLevels == 0) {
+ /* should not happen since <target> was just checked above */
+ _mesa_problem(ctx, "maxLevels=0 in _mesa_GetTexLevelParameter");
+ 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;
+ }
+
+ 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:
+ *params = img->InternalFormat;
+ break;
+ case GL_TEXTURE_BORDER:
+ *params = img->Border;
+ break;
+ case GL_TEXTURE_RED_SIZE:
+ if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
+ *params = img->TexFormat->RedBits;
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_GREEN_SIZE:
+ if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
+ *params = img->TexFormat->GreenBits;
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_BLUE_SIZE:
+ if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
+ *params = img->TexFormat->BlueBits;
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_ALPHA_SIZE:
+ if (img->_BaseFormat == GL_ALPHA ||
+ img->_BaseFormat == GL_LUMINANCE_ALPHA ||
+ img->_BaseFormat == GL_RGBA)
+ *params = img->TexFormat->AlphaBits;
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_INTENSITY_SIZE:
+ if (img->_BaseFormat != GL_INTENSITY)
+ *params = 0;
+ else if (img->TexFormat->IntensityBits > 0)
+ *params = img->TexFormat->IntensityBits;
+ else /* intensity probably stored as rgb texture */
+ *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
+ break;
+ case GL_TEXTURE_LUMINANCE_SIZE:
+ if (img->_BaseFormat != GL_LUMINANCE &&
+ img->_BaseFormat != GL_LUMINANCE_ALPHA)
+ *params = 0;
+ else if (img->TexFormat->LuminanceBits > 0)
+ *params = img->TexFormat->LuminanceBits;
+ else /* luminance probably stored as rgb texture */
+ *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
+ break;
+ case GL_TEXTURE_INDEX_SIZE_EXT:
+ if (img->_BaseFormat == GL_COLOR_INDEX)
+ *params = img->TexFormat->IndexBits;
+ else
+ *params = 0;
+ break;
+ case GL_TEXTURE_DEPTH_SIZE_ARB:
+ if (ctx->Extensions.SGIX_depth_texture ||
+ ctx->Extensions.ARB_depth_texture)
+ *params = img->TexFormat->DepthBits;
+ 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) {
+ *params = img->TexFormat->StencilBits;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
+ }
+ break;
+
+ /* GL_ARB_texture_compression */
+ case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
+ if (ctx->Extensions.ARB_texture_compression) {
+ if (img->IsCompressed && !isProxy) {
+ /* Don't use ctx->Driver.CompressedTextureSize() since that
+ * may returned a padded hardware size.
+ */
+ *params = _mesa_compressed_texture_size(ctx, img->Width,
+ img->Height, img->Depth,
+ img->TexFormat->MesaFormat);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameter[if]v(pname)");
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
+ }
+ break;
+ case GL_TEXTURE_COMPRESSED:
+ if (ctx->Extensions.ARB_texture_compression) {
+ *params = (GLint) img->IsCompressed;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
+ }
+ break;
+
+ /* GL_ARB_texture_float */
+ case GL_TEXTURE_RED_TYPE_ARB:
+ if (ctx->Extensions.ARB_texture_float) {
+ *params = img->TexFormat->RedBits ? img->TexFormat->DataType : 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 = img->TexFormat->GreenBits ? img->TexFormat->DataType : 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 = img->TexFormat->BlueBits ? img->TexFormat->DataType : 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 = img->TexFormat->AlphaBits ? img->TexFormat->DataType : 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 = img->TexFormat->LuminanceBits ? img->TexFormat->DataType : 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 = img->TexFormat->IntensityBits ? img->TexFormat->DataType : 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 = img->TexFormat->DepthBits ? img->TexFormat->DataType : 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_unit *texUnit;
+ struct gl_texture_object *obj;
+ GLboolean error = GL_FALSE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexParameterfv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ obj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (!obj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
+ 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[0], 0.0F, 1.0F);
+ params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
+ params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
+ params[3] = CLAMP(obj->BorderColor[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 = 1;
+ break;
+ case GL_TEXTURE_COMPARE_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ *params = (GLfloat) obj->CompareFlag;
+ }
+ else
+ error = 1;
+ break;
+ case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ *params = (GLfloat) obj->CompareOperator;
+ }
+ else
+ error = 1;
+ break;
+ case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
+ if (ctx->Extensions.SGIX_shadow_ambient) {
+ *params = obj->ShadowAmbient;
+ }
+ else
+ error = 1;
+ break;
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (ctx->Extensions.SGIS_generate_mipmap) {
+ *params = (GLfloat) obj->GenerateMipmap;
+ }
+ else
+ error = 1;
+ break;
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLfloat) obj->CompareMode;
+ }
+ else
+ error = 1;
+ break;
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLfloat) obj->CompareFunc;
+ }
+ else
+ error = 1;
+ break;
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ *params = (GLfloat) obj->DepthMode;
+ }
+ else
+ error = 1;
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ *params = obj->LodBias;
+ }
+ else
+ error = 1;
+ break;
+ default:
+ error = 1;
+ 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_unit *texUnit;
+ struct gl_texture_object *obj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexParameteriv(current unit)");
+ return;
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ obj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (!obj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)");
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_MAG_FILTER:
+ *params = (GLint) obj->MagFilter;
+ return;
+ case GL_TEXTURE_MIN_FILTER:
+ *params = (GLint) obj->MinFilter;
+ return;
+ case GL_TEXTURE_WRAP_S:
+ *params = (GLint) obj->WrapS;
+ return;
+ case GL_TEXTURE_WRAP_T:
+ *params = (GLint) obj->WrapT;
+ return;
+ case GL_TEXTURE_WRAP_R:
+ *params = (GLint) obj->WrapR;
+ return;
+ case GL_TEXTURE_BORDER_COLOR:
+ {
+ GLfloat b[4];
+ b[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F);
+ b[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
+ b[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
+ b[3] = CLAMP(obj->BorderColor[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]);
+ }
+ return;
+ case GL_TEXTURE_RESIDENT:
+ {
+ GLboolean resident;
+ if (ctx->Driver.IsTextureResident)
+ resident = ctx->Driver.IsTextureResident(ctx, obj);
+ else
+ resident = GL_TRUE;
+ *params = (GLint) resident;
+ }
+ return;
+ case GL_TEXTURE_PRIORITY:
+ *params = FLOAT_TO_INT(obj->Priority);
+ return;
+ case GL_TEXTURE_MIN_LOD:
+ *params = (GLint) obj->MinLod;
+ return;
+ case GL_TEXTURE_MAX_LOD:
+ *params = (GLint) obj->MaxLod;
+ return;
+ case GL_TEXTURE_BASE_LEVEL:
+ *params = obj->BaseLevel;
+ return;
+ case GL_TEXTURE_MAX_LEVEL:
+ *params = obj->MaxLevel;
+ return;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ *params = (GLint) obj->MaxAnisotropy;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ *params = (GLint) obj->CompareFlag;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ *params = (GLint) obj->CompareOperator;
+ return;
+ }
+ break;
+ case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
+ if (ctx->Extensions.SGIX_shadow_ambient) {
+ *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient);
+ return;
+ }
+ break;
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (ctx->Extensions.SGIS_generate_mipmap) {
+ *params = (GLint) obj->GenerateMipmap;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLint) obj->CompareMode;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLint) obj->CompareFunc;
+ return;
+ }
+ break;
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ *params = (GLint) obj->DepthMode;
+ return;
+ }
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ *params = (GLint) obj->LodBias;
+ return;
+ }
+ break;
+ default:
+ ; /* silence warnings */
+ }
+ /* If we get here, pname was an unrecognized enum */
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul 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.
+ */
+
+
+#ifndef TEXPARAM_H
+#define TEXPARAM_H
+
+
+#include "main/glheader.h"
+
+
+extern void GLAPIENTRY
+_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
+ GLenum pname, GLfloat *params );
+
+extern void GLAPIENTRY
+_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
+ GLenum pname, GLint *params );
+
+extern void GLAPIENTRY
+_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params );
+
+extern void GLAPIENTRY
+_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params );
+
+
+
+extern void GLAPIENTRY
+_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params );
+
+extern void GLAPIENTRY
+_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param );
+
+
+extern void GLAPIENTRY
+_mesa_TexParameteri( GLenum target, GLenum pname, GLint param );
+
+extern void GLAPIENTRY
+_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params );
+
+
+#endif /* TEXPARAM_H */
}
-/**********************************************************************/
-/* Texture Parameters */
-/**********************************************************************/
-
-/**
- * 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(GLcontext * 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_VALUE, "glTexParameter(param)" );
- return GL_FALSE;
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param )
-{
- _mesa_TexParameterfv(target, pname, ¶m);
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
-{
- const GLenum eparam = (GLenum) (GLint) params[0];
- struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glTexParameter %s %s %.1f(%s)...\n",
- _mesa_lookup_enum_by_nr(target),
- _mesa_lookup_enum_by_nr(pname),
- *params,
- _mesa_lookup_enum_by_nr(eparam));
-
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameterfv(current unit)");
- return;
- }
-
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-
- switch (target) {
- case GL_TEXTURE_1D:
- texObj = texUnit->Current1D;
- break;
- case GL_TEXTURE_2D:
- texObj = texUnit->Current2D;
- break;
- case GL_TEXTURE_3D:
- texObj = texUnit->Current3D;
- break;
- case GL_TEXTURE_CUBE_MAP:
- if (!ctx->Extensions.ARB_texture_cube_map) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->CurrentCubeMap;
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- if (!ctx->Extensions.NV_texture_rectangle) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->CurrentRect;
- break;
- case GL_TEXTURE_1D_ARRAY_EXT:
- if (!ctx->Extensions.MESA_texture_array) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->Current1DArray;
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- if (!ctx->Extensions.MESA_texture_array) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
- texObj = texUnit->Current2DArray;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- /* A small optimization */
- if (texObj->MinFilter == eparam)
- return;
- if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinFilter = eparam;
- }
- else if ((eparam==GL_NEAREST_MIPMAP_NEAREST ||
- eparam==GL_LINEAR_MIPMAP_NEAREST ||
- eparam==GL_NEAREST_MIPMAP_LINEAR ||
- eparam==GL_LINEAR_MIPMAP_LINEAR) &&
- texObj->Target != GL_TEXTURE_RECTANGLE_NV) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinFilter = eparam;
- }
- else {
- _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_MAG_FILTER:
- /* A small optimization */
- if (texObj->MagFilter == eparam)
- return;
-
- if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MagFilter = eparam;
- }
- else {
- _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- break;
- case GL_TEXTURE_WRAP_S:
- if (texObj->WrapS == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapS = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_WRAP_T:
- if (texObj->WrapT == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapT = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_WRAP_R:
- if (texObj->WrapR == eparam)
- return;
- if (validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->WrapR = eparam;
- }
- else {
- return;
- }
- break;
- case GL_TEXTURE_BORDER_COLOR:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->BorderColor[RCOMP] = params[0];
- texObj->BorderColor[GCOMP] = params[1];
- texObj->BorderColor[BCOMP] = params[2];
- texObj->BorderColor[ACOMP] = params[3];
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]);
- break;
- case GL_TEXTURE_MIN_LOD:
- if (texObj->MinLod == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MinLod = params[0];
- break;
- case GL_TEXTURE_MAX_LOD:
- if (texObj->MaxLod == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MaxLod = params[0];
- break;
- case GL_TEXTURE_BASE_LEVEL:
- if (params[0] < 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- if (target == GL_TEXTURE_RECTANGLE_ARB && params[0] != 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->BaseLevel = (GLint) params[0];
- break;
- case GL_TEXTURE_MAX_LEVEL:
- if (params[0] < 0.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)");
- return;
- }
- if (target == GL_TEXTURE_RECTANGLE_ARB) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexParameter(param)");
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->MaxLevel = (GLint) params[0];
- break;
- case GL_TEXTURE_PRIORITY:
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->Priority = CLAMP( params[0], 0.0F, 1.0F );
- break;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- if (params[0] < 1.0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
- return;
- }
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- /* clamp to max, that's what NVIDIA does */
- texObj->MaxAnisotropy = MIN2(params[0],
- ctx->Const.MaxTextureMaxAnisotropy);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- GLenum op = (GLenum) params[0];
- if (op == GL_TEXTURE_LEQUAL_R_SGIX ||
- op == GL_TEXTURE_GEQUAL_R_SGIX) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareOperator = op;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)");
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)");
- return;
- }
- break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)");
- return;
- }
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- if (ctx->Extensions.SGIS_generate_mipmap) {
- texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- const GLenum mode = (GLenum) params[0];
- if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareMode = mode;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB: 0x%x)", mode);
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)");
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- const GLenum func = (GLenum) params[0];
- if (func == GL_LEQUAL || func == GL_GEQUAL) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFunc = func;
- }
- else if (ctx->Extensions.EXT_shadow_funcs &&
- (func == GL_EQUAL ||
- func == GL_NOTEQUAL ||
- func == GL_LESS ||
- func == GL_GREATER ||
- func == GL_ALWAYS ||
- func == GL_NEVER)) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->CompareFunc = func;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)");
- return;
- }
- break;
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- const GLenum result = (GLenum) params[0];
- if (result == GL_LUMINANCE || result == GL_INTENSITY
- || result == GL_ALPHA) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texObj->DepthMode = result;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)");
- return;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)");
- return;
- }
- break;
- 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_VERTICES(ctx, _NEW_TEXTURE);
- texObj->LodBias = params[0];
- }
- }
- break;
-
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexParameter(pname=0x%x)", pname);
- return;
- }
-
- texObj->_Complete = GL_FALSE;
-
- if (ctx->Driver.TexParameter) {
- (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params );
- }
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameteri( GLenum target, GLenum pname, GLint param )
-{
- GLfloat fparam[4];
- if (pname == GL_TEXTURE_PRIORITY)
- fparam[0] = INT_TO_FLOAT(param);
- else
- fparam[0] = (GLfloat) param;
- fparam[1] = fparam[2] = fparam[3] = 0.0;
- _mesa_TexParameterfv(target, pname, fparam);
-}
-
-
-void GLAPIENTRY
-_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params )
-{
- GLfloat fparam[4];
- if (pname == GL_TEXTURE_BORDER_COLOR) {
- fparam[0] = INT_TO_FLOAT(params[0]);
- fparam[1] = INT_TO_FLOAT(params[1]);
- fparam[2] = INT_TO_FLOAT(params[2]);
- fparam[3] = INT_TO_FLOAT(params[3]);
- }
- else {
- if (pname == GL_TEXTURE_PRIORITY)
- fparam[0] = INT_TO_FLOAT(params[0]);
- else
- fparam[0] = (GLfloat) params[0];
- fparam[1] = fparam[2] = fparam[3] = 0.0F;
- }
- _mesa_TexParameterfv(target, pname, fparam);
-}
-
-
-void GLAPIENTRY
-_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
- GLenum pname, GLfloat *params )
-{
- GLint iparam;
- _mesa_GetTexLevelParameteriv( target, level, pname, &iparam );
- *params = (GLfloat) iparam;
-}
-
-
-static GLuint
-tex_image_dimensions(GLcontext *ctx, GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
- return 1;
- case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
- return 2;
- case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
- return 3;
- case GL_TEXTURE_CUBE_MAP:
- case GL_PROXY_TEXTURE_CUBE_MAP:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- return ctx->Extensions.ARB_texture_cube_map ? 2 : 0;
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle ? 2 : 0;
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- return ctx->Extensions.MESA_texture_array ? 2 : 0;
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return ctx->Extensions.MESA_texture_array ? 3 : 0;
- default:
- _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()");
- return 0;
- }
-}
-
-
-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;
- GLuint dimensions;
- GLboolean isProxy;
- GLint maxLevels;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexLevelParameteriv(current unit)");
- return;
- }
-
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-
- /* this will catch bad target values */
- dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */
- if (dimensions == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
- return;
- }
-
- maxLevels = _mesa_max_texture_levels(ctx, target);
- if (maxLevels == 0) {
- /* should not happen since <target> was just checked above */
- _mesa_problem(ctx, "maxLevels=0 in _mesa_GetTexLevelParameter");
- 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;
- }
-
- 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:
- *params = img->InternalFormat;
- break;
- case GL_TEXTURE_BORDER:
- *params = img->Border;
- break;
- case GL_TEXTURE_RED_SIZE:
- if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
- *params = img->TexFormat->RedBits;
- else
- *params = 0;
- break;
- case GL_TEXTURE_GREEN_SIZE:
- if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
- *params = img->TexFormat->GreenBits;
- else
- *params = 0;
- break;
- case GL_TEXTURE_BLUE_SIZE:
- if (img->_BaseFormat == GL_RGB || img->_BaseFormat == GL_RGBA)
- *params = img->TexFormat->BlueBits;
- else
- *params = 0;
- break;
- case GL_TEXTURE_ALPHA_SIZE:
- if (img->_BaseFormat == GL_ALPHA ||
- img->_BaseFormat == GL_LUMINANCE_ALPHA ||
- img->_BaseFormat == GL_RGBA)
- *params = img->TexFormat->AlphaBits;
- else
- *params = 0;
- break;
- case GL_TEXTURE_INTENSITY_SIZE:
- if (img->_BaseFormat != GL_INTENSITY)
- *params = 0;
- else if (img->TexFormat->IntensityBits > 0)
- *params = img->TexFormat->IntensityBits;
- else /* intensity probably stored as rgb texture */
- *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
- break;
- case GL_TEXTURE_LUMINANCE_SIZE:
- if (img->_BaseFormat != GL_LUMINANCE &&
- img->_BaseFormat != GL_LUMINANCE_ALPHA)
- *params = 0;
- else if (img->TexFormat->LuminanceBits > 0)
- *params = img->TexFormat->LuminanceBits;
- else /* luminance probably stored as rgb texture */
- *params = MIN2(img->TexFormat->RedBits, img->TexFormat->GreenBits);
- break;
- case GL_TEXTURE_INDEX_SIZE_EXT:
- if (img->_BaseFormat == GL_COLOR_INDEX)
- *params = img->TexFormat->IndexBits;
- else
- *params = 0;
- break;
- case GL_TEXTURE_DEPTH_SIZE_ARB:
- if (ctx->Extensions.SGIX_depth_texture ||
- ctx->Extensions.ARB_depth_texture)
- *params = img->TexFormat->DepthBits;
- 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) {
- *params = img->TexFormat->StencilBits;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
- break;
-
- /* GL_ARB_texture_compression */
- case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
- if (ctx->Extensions.ARB_texture_compression) {
- if (img->IsCompressed && !isProxy) {
- /* Don't use ctx->Driver.CompressedTextureSize() since that
- * may returned a padded hardware size.
- */
- *params = _mesa_compressed_texture_size(ctx, img->Width,
- img->Height, img->Depth,
- img->TexFormat->MesaFormat);
- }
- else {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexLevelParameter[if]v(pname)");
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
- break;
- case GL_TEXTURE_COMPRESSED:
- if (ctx->Extensions.ARB_texture_compression) {
- *params = (GLint) img->IsCompressed;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname)");
- }
- break;
-
- /* GL_ARB_texture_float */
- case GL_TEXTURE_RED_TYPE_ARB:
- if (ctx->Extensions.ARB_texture_float) {
- *params = img->TexFormat->RedBits ? img->TexFormat->DataType : 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 = img->TexFormat->GreenBits ? img->TexFormat->DataType : 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 = img->TexFormat->BlueBits ? img->TexFormat->DataType : 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 = img->TexFormat->AlphaBits ? img->TexFormat->DataType : 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 = img->TexFormat->LuminanceBits ? img->TexFormat->DataType : 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 = img->TexFormat->IntensityBits ? img->TexFormat->DataType : 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 = img->TexFormat->DepthBits ? img->TexFormat->DataType : 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_unit *texUnit;
- struct gl_texture_object *obj;
- GLboolean error = GL_FALSE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexParameterfv(current unit)");
- return;
- }
-
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-
- obj = _mesa_select_tex_object(ctx, texUnit, target);
- if (!obj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
- 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[0], 0.0F, 1.0F);
- params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
- params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
- params[3] = CLAMP(obj->BorderColor[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 = 1;
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLfloat) obj->CompareFlag;
- }
- else
- error = 1;
- break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLfloat) obj->CompareOperator;
- }
- else
- error = 1;
- break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- *params = obj->ShadowAmbient;
- }
- else
- error = 1;
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- if (ctx->Extensions.SGIS_generate_mipmap) {
- *params = (GLfloat) obj->GenerateMipmap;
- }
- else
- error = 1;
- break;
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLfloat) obj->CompareMode;
- }
- else
- error = 1;
- break;
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLfloat) obj->CompareFunc;
- }
- else
- error = 1;
- break;
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- *params = (GLfloat) obj->DepthMode;
- }
- else
- error = 1;
- break;
- case GL_TEXTURE_LOD_BIAS:
- if (ctx->Extensions.EXT_texture_lod_bias) {
- *params = obj->LodBias;
- }
- else
- error = 1;
- break;
- default:
- error = 1;
- 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_unit *texUnit;
- struct gl_texture_object *obj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureImageUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexParameteriv(current unit)");
- return;
- }
-
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
-
- obj = _mesa_select_tex_object(ctx, texUnit, target);
- if (!obj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)");
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_MAG_FILTER:
- *params = (GLint) obj->MagFilter;
- return;
- case GL_TEXTURE_MIN_FILTER:
- *params = (GLint) obj->MinFilter;
- return;
- case GL_TEXTURE_WRAP_S:
- *params = (GLint) obj->WrapS;
- return;
- case GL_TEXTURE_WRAP_T:
- *params = (GLint) obj->WrapT;
- return;
- case GL_TEXTURE_WRAP_R:
- *params = (GLint) obj->WrapR;
- return;
- case GL_TEXTURE_BORDER_COLOR:
- {
- GLfloat b[4];
- b[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F);
- b[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F);
- b[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F);
- b[3] = CLAMP(obj->BorderColor[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]);
- }
- return;
- case GL_TEXTURE_RESIDENT:
- {
- GLboolean resident;
- if (ctx->Driver.IsTextureResident)
- resident = ctx->Driver.IsTextureResident(ctx, obj);
- else
- resident = GL_TRUE;
- *params = (GLint) resident;
- }
- return;
- case GL_TEXTURE_PRIORITY:
- *params = FLOAT_TO_INT(obj->Priority);
- return;
- case GL_TEXTURE_MIN_LOD:
- *params = (GLint) obj->MinLod;
- return;
- case GL_TEXTURE_MAX_LOD:
- *params = (GLint) obj->MaxLod;
- return;
- case GL_TEXTURE_BASE_LEVEL:
- *params = obj->BaseLevel;
- return;
- case GL_TEXTURE_MAX_LEVEL:
- *params = obj->MaxLevel;
- return;
- case GL_TEXTURE_MAX_ANISOTROPY_EXT:
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- *params = (GLint) obj->MaxAnisotropy;
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLint) obj->CompareFlag;
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
- if (ctx->Extensions.SGIX_shadow) {
- *params = (GLint) obj->CompareOperator;
- return;
- }
- break;
- case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
- if (ctx->Extensions.SGIX_shadow_ambient) {
- *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient);
- return;
- }
- break;
- case GL_GENERATE_MIPMAP_SGIS:
- if (ctx->Extensions.SGIS_generate_mipmap) {
- *params = (GLint) obj->GenerateMipmap;
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_MODE_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLint) obj->CompareMode;
- return;
- }
- break;
- case GL_TEXTURE_COMPARE_FUNC_ARB:
- if (ctx->Extensions.ARB_shadow) {
- *params = (GLint) obj->CompareFunc;
- return;
- }
- break;
- case GL_DEPTH_TEXTURE_MODE_ARB:
- if (ctx->Extensions.ARB_depth_texture) {
- *params = (GLint) obj->DepthMode;
- return;
- }
- break;
- case GL_TEXTURE_LOD_BIAS:
- if (ctx->Extensions.EXT_texture_lod_bias) {
- *params = (GLint) obj->LodBias;
- return;
- }
- break;
- default:
- ; /* silence warnings */
- }
- /* If we get here, pname was an unrecognized enum */
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
-}
-
/* GL_ARB_multitexture */
*/
/*@{*/
-extern void GLAPIENTRY
-_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
- GLenum pname, GLfloat *params );
-
-extern void GLAPIENTRY
-_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
- GLenum pname, GLint *params );
-
-extern void GLAPIENTRY
-_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params );
-
-extern void GLAPIENTRY
-_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params );
-
-
-
-extern void GLAPIENTRY
-_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params );
-
-extern void GLAPIENTRY
-_mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param );
-
-
-extern void GLAPIENTRY
-_mesa_TexParameteri( GLenum target, GLenum pname, GLint param );
-
-extern void GLAPIENTRY
-_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params );
-
/*
* GL_ARB_multitexture
main/texgen.c \
main/teximage.c \
main/texobj.c \
+ main/texparam.c \
main/texrender.c \
main/texstate.c \
main/texstore.c \
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