-/* $Id: texstate.c,v 1.24 2000/11/22 07:32:17 joukj Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 6.3
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 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"),
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+/**
+ * \file texstate.c
+ *
+ * Texture state handling.
+ */
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
#include "colormac.h"
+#include "colortab.h"
#include "context.h"
#include "enums.h"
#include "extensions.h"
#include "macros.h"
+#include "nvfragprog.h"
#include "texobj.h"
#include "teximage.h"
#include "texstate.h"
-#include "texture.h"
#include "mtypes.h"
#include "math/m_xform.h"
#include "math/m_matrix.h"
-#include "swrast/swrast.h"
-#endif
#define ENUM_TO_DOUBLE(X) ((GLdouble)(X))
#endif
+/**
+ * Default texture combine environment state. This is used to initialize
+ * a context's texture units and as the basis for converting "classic"
+ * texture environmnets to ARB_texture_env_combine style values.
+ */
+static const struct gl_tex_env_combine_state default_combine_state = {
+ GL_MODULATE, GL_MODULATE,
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT },
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT },
+ { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA },
+ { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA },
+ 0, 0,
+ 2, 2
+};
+
+
+void
+_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
+{
+ GLuint i;
+
+ ASSERT(src);
+ ASSERT(dst);
+
+ dst->Texture.CurrentUnit = src->Texture.CurrentUnit;
+ dst->Texture._GenFlags = src->Texture._GenFlags;
+ dst->Texture._TexGenEnabled = src->Texture._TexGenEnabled;
+ dst->Texture._TexMatEnabled = src->Texture._TexMatEnabled;
+ dst->Texture.SharedPalette = src->Texture.SharedPalette;
+
+ /* per-unit state */
+ for (i = 0; i < src->Const.MaxTextureUnits; i++) {
+ dst->Texture.Unit[i].Enabled = src->Texture.Unit[i].Enabled;
+ dst->Texture.Unit[i].EnvMode = src->Texture.Unit[i].EnvMode;
+ COPY_4V(dst->Texture.Unit[i].EnvColor, src->Texture.Unit[i].EnvColor);
+ dst->Texture.Unit[i].TexGenEnabled = src->Texture.Unit[i].TexGenEnabled;
+ dst->Texture.Unit[i].GenModeS = src->Texture.Unit[i].GenModeS;
+ dst->Texture.Unit[i].GenModeT = src->Texture.Unit[i].GenModeT;
+ dst->Texture.Unit[i].GenModeR = src->Texture.Unit[i].GenModeR;
+ dst->Texture.Unit[i].GenModeQ = src->Texture.Unit[i].GenModeQ;
+ dst->Texture.Unit[i]._GenBitS = src->Texture.Unit[i]._GenBitS;
+ dst->Texture.Unit[i]._GenBitT = src->Texture.Unit[i]._GenBitT;
+ dst->Texture.Unit[i]._GenBitR = src->Texture.Unit[i]._GenBitR;
+ dst->Texture.Unit[i]._GenBitQ = src->Texture.Unit[i]._GenBitQ;
+ dst->Texture.Unit[i]._GenFlags = src->Texture.Unit[i]._GenFlags;
+ COPY_4V(dst->Texture.Unit[i].ObjectPlaneS, src->Texture.Unit[i].ObjectPlaneS);
+ COPY_4V(dst->Texture.Unit[i].ObjectPlaneT, src->Texture.Unit[i].ObjectPlaneT);
+ COPY_4V(dst->Texture.Unit[i].ObjectPlaneR, src->Texture.Unit[i].ObjectPlaneR);
+ COPY_4V(dst->Texture.Unit[i].ObjectPlaneQ, src->Texture.Unit[i].ObjectPlaneQ);
+ COPY_4V(dst->Texture.Unit[i].EyePlaneS, src->Texture.Unit[i].EyePlaneS);
+ COPY_4V(dst->Texture.Unit[i].EyePlaneT, src->Texture.Unit[i].EyePlaneT);
+ COPY_4V(dst->Texture.Unit[i].EyePlaneR, src->Texture.Unit[i].EyePlaneR);
+ COPY_4V(dst->Texture.Unit[i].EyePlaneQ, src->Texture.Unit[i].EyePlaneQ);
+ dst->Texture.Unit[i].LodBias = src->Texture.Unit[i].LodBias;
+
+ /* GL_EXT_texture_env_combine */
+ dst->Texture.Unit[i].Combine.ModeRGB = src->Texture.Unit[i].Combine.ModeRGB;
+ dst->Texture.Unit[i].Combine.ModeA = src->Texture.Unit[i].Combine.ModeA;
+ COPY_3V(dst->Texture.Unit[i].Combine.SourceRGB, src->Texture.Unit[i].Combine.SourceRGB);
+ COPY_3V(dst->Texture.Unit[i].Combine.SourceA, src->Texture.Unit[i].Combine.SourceA);
+ COPY_3V(dst->Texture.Unit[i].Combine.OperandRGB, src->Texture.Unit[i].Combine.OperandRGB);
+ COPY_3V(dst->Texture.Unit[i].Combine.OperandA, src->Texture.Unit[i].Combine.OperandA);
+ dst->Texture.Unit[i].Combine.ScaleShiftRGB = src->Texture.Unit[i].Combine.ScaleShiftRGB;
+ dst->Texture.Unit[i].Combine.ScaleShiftA = src->Texture.Unit[i].Combine.ScaleShiftA;
+
+ /* texture object state */
+ _mesa_copy_texture_object(dst->Texture.Unit[i].Current1D,
+ src->Texture.Unit[i].Current1D);
+ _mesa_copy_texture_object(dst->Texture.Unit[i].Current2D,
+ src->Texture.Unit[i].Current2D);
+ _mesa_copy_texture_object(dst->Texture.Unit[i].Current3D,
+ src->Texture.Unit[i].Current3D);
+ _mesa_copy_texture_object(dst->Texture.Unit[i].CurrentCubeMap,
+ src->Texture.Unit[i].CurrentCubeMap);
+ _mesa_copy_texture_object(dst->Texture.Unit[i].CurrentRect,
+ src->Texture.Unit[i].CurrentRect);
+ }
+}
+
+
+/*
+ * For debugging
+ */
+void
+_mesa_print_texunit_state( GLcontext *ctx, GLuint unit )
+{
+ const struct gl_texture_unit *texUnit = ctx->Texture.Unit + unit;
+ _mesa_printf("Texture Unit %d\n", unit);
+ _mesa_printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode));
+ _mesa_printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB));
+ _mesa_printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA));
+ _mesa_printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0]));
+ _mesa_printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1]));
+ _mesa_printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2]));
+ _mesa_printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0]));
+ _mesa_printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1]));
+ _mesa_printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2]));
+ _mesa_printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0]));
+ _mesa_printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1]));
+ _mesa_printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2]));
+ _mesa_printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0]));
+ _mesa_printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1]));
+ _mesa_printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2]));
+ _mesa_printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB);
+ _mesa_printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA);
+ _mesa_printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]);
+}
/* Texture Environment */
/**********************************************************************/
+/**
+ * Convert "classic" texture environment to ARB_texture_env_combine style
+ * environments.
+ *
+ * \param state texture_env_combine state vector to be filled-in.
+ * \param mode Classic texture environment mode (i.e., \c GL_REPLACE,
+ * \c GL_BLEND, \c GL_DECAL, etc.).
+ * \param texBaseFormat Base format of the texture associated with the
+ * texture unit.
+ */
+static void
+calculate_derived_texenv( struct gl_tex_env_combine_state *state,
+ GLenum mode, GLenum texBaseFormat )
+{
+ GLenum mode_rgb;
+ GLenum mode_a;
+
+ *state = default_combine_state;
+
+ switch (texBaseFormat) {
+ case GL_ALPHA:
+ state->SourceRGB[0] = GL_PREVIOUS;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ case GL_RGBA:
+ break;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ state->SourceA[0] = GL_PREVIOUS;
+ break;
+
+ default:
+ _mesa_problem(NULL, "Invalid texBaseFormat in calculate_derived_texenv");
+ return;
+ }
-void
+ switch (mode) {
+ case GL_REPLACE:
+ case GL_MODULATE:
+ mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : mode;
+ mode_a = mode;
+ break;
+
+ case GL_DECAL:
+ mode_rgb = GL_INTERPOLATE;
+ mode_a = GL_REPLACE;
+
+ state->SourceA[0] = GL_PREVIOUS;
+
+ /* Having alpha / luminance / intensity textures replace using the
+ * incoming fragment color matches the definition in NV_texture_shader.
+ * The 1.5 spec simply marks these as "undefined".
+ */
+ switch (texBaseFormat) {
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ state->SourceRGB[0] = GL_PREVIOUS;
+ break;
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ mode_rgb = GL_REPLACE;
+ break;
+ case GL_RGBA:
+ state->SourceRGB[2] = GL_TEXTURE;
+ break;
+ }
+ break;
+
+ case GL_BLEND:
+ mode_rgb = GL_INTERPOLATE;
+ mode_a = GL_MODULATE;
+
+ switch (texBaseFormat) {
+ case GL_ALPHA:
+ mode_rgb = GL_REPLACE;
+ break;
+ case GL_INTENSITY:
+ mode_a = GL_INTERPOLATE;
+ state->SourceA[0] = GL_CONSTANT;
+ state->OperandA[2] = GL_SRC_ALPHA;
+ /* FALLTHROUGH */
+ case GL_LUMINANCE:
+ case GL_RGB:
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ case GL_YCBCR_MESA:
+ state->SourceRGB[2] = GL_TEXTURE;
+ state->SourceA[2] = GL_TEXTURE;
+ state->SourceRGB[0] = GL_CONSTANT;
+ state->OperandRGB[2] = GL_SRC_COLOR;
+ break;
+ }
+ break;
+
+ case GL_ADD:
+ mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : GL_ADD;
+ mode_a = (texBaseFormat == GL_INTENSITY) ? GL_ADD : GL_MODULATE;
+ break;
+
+ default:
+ _mesa_problem(NULL,
+ "Invalid texture env mode in calculate_derived_texenv");
+ return;
+ }
+
+ state->ModeRGB = (state->SourceRGB[0] != GL_PREVIOUS)
+ ? mode_rgb : GL_REPLACE;
+ state->ModeA = (state->SourceA[0] != GL_PREVIOUS)
+ ? mode_a : GL_REPLACE;
+}
+
+
+void GLAPIENTRY
_mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexEnv");
+#define TE_ERROR(errCode, msg, value) \
+ _mesa_error(ctx, errCode, msg, _mesa_lookup_enum_by_nr(value));
- if (target==GL_TEXTURE_ENV) {
+ if (target == GL_TEXTURE_ENV) {
switch (pname) {
- case GL_TEXTURE_ENV_MODE:
- {
- GLenum mode = (GLenum) (GLint) *param;
- switch (mode) {
- case GL_MODULATE:
- case GL_BLEND:
- case GL_DECAL:
- case GL_REPLACE:
- case GL_ADD:
- case GL_COMBINE_EXT:
- if (mode == GL_ADD &&
- !ctx->Extensions.EXT_texture_env_add) {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(param)");
- return;
- }
- if (mode == GL_COMBINE_EXT &&
- !ctx->Extensions.EXT_texture_env_combine) {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(param)");
- return;
- }
- if (texUnit->EnvMode == mode)
- return; /* no change */
- texUnit->EnvMode = mode;
- break;
- default:
- gl_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" );
- return;
- }
- }
- break;
- case GL_TEXTURE_ENV_COLOR:
- texUnit->EnvColor[0] = CLAMP( param[0], 0.0F, 1.0F );
- texUnit->EnvColor[1] = CLAMP( param[1], 0.0F, 1.0F );
- texUnit->EnvColor[2] = CLAMP( param[2], 0.0F, 1.0F );
- texUnit->EnvColor[3] = CLAMP( param[3], 0.0F, 1.0F );
- break;
- case GL_COMBINE_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- GLenum mode = (GLenum) (GLint) *param;
- switch (mode) {
- case GL_REPLACE:
- case GL_MODULATE:
- case GL_ADD:
- case GL_ADD_SIGNED_EXT:
- case GL_INTERPOLATE_EXT:
- if (texUnit->CombineModeRGB == mode)
- return; /* no change */
- texUnit->CombineModeRGB = mode;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_COMBINE_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- GLenum mode = (GLenum) (GLint) *param;
- switch (mode) {
- case GL_REPLACE:
- case GL_MODULATE:
- case GL_ADD:
- case GL_ADD_SIGNED_EXT:
- case GL_INTERPOLATE_EXT:
- if (texUnit->CombineModeA == mode)
- return; /* no change */
- texUnit->CombineModeA = mode;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_SOURCE0_RGB_EXT:
- case GL_SOURCE1_RGB_EXT:
- case GL_SOURCE2_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- GLenum source = (GLenum) (GLint) *param;
- GLuint s = pname - GL_SOURCE0_RGB_EXT;
- switch (source) {
- case GL_TEXTURE:
- case GL_CONSTANT_EXT:
- case GL_PRIMARY_COLOR_EXT:
- case GL_PREVIOUS_EXT:
- if (texUnit->CombineSourceRGB[s] == source)
- return; /* no change */
- texUnit->CombineSourceRGB[s] = source;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_SOURCE0_ALPHA_EXT:
- case GL_SOURCE1_ALPHA_EXT:
- case GL_SOURCE2_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- GLenum source = (GLenum) (GLint) *param;
- GLuint s = pname - GL_SOURCE0_ALPHA_EXT;
- switch (source) {
- case GL_TEXTURE:
- case GL_CONSTANT_EXT:
- case GL_PRIMARY_COLOR_EXT:
- case GL_PREVIOUS_EXT:
- if (texUnit->CombineSourceA[s] == source) return;
- texUnit->CombineSourceA[s] = source;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_OPERAND0_RGB_EXT:
- case GL_OPERAND1_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- GLenum operand = (GLenum) (GLint) *param;
- GLuint s = pname - GL_OPERAND0_RGB_EXT;
- switch (operand) {
- case GL_SRC_COLOR:
- case GL_ONE_MINUS_SRC_COLOR:
- case GL_SRC_ALPHA:
- case GL_ONE_MINUS_SRC_ALPHA:
- texUnit->CombineOperandRGB[s] = operand;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_OPERAND0_ALPHA_EXT:
- case GL_OPERAND1_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- GLenum operand = (GLenum) (GLint) *param;
- switch (operand) {
- case GL_SRC_ALPHA:
- case GL_ONE_MINUS_SRC_ALPHA:
- texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA_EXT]
- = operand;
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_OPERAND2_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- if ((GLenum) (GLint) *param == GL_SRC_ALPHA) {
- texUnit->CombineOperandRGB[2] = (GLenum) (GLint) *param;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
+ case GL_TEXTURE_ENV_MODE:
+ {
+ const GLenum mode = (GLenum) (GLint) *param;
+ if (texUnit->EnvMode == mode)
+ return;
+ if (mode == GL_MODULATE ||
+ mode == GL_BLEND ||
+ mode == GL_DECAL ||
+ mode == GL_REPLACE ||
+ (mode == GL_ADD && ctx->Extensions.EXT_texture_env_add) ||
+ (mode == GL_COMBINE &&
+ (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine))) {
+ /* legal */
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->EnvMode = mode;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
- break;
- case GL_OPERAND2_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- if ((GLenum) (GLint) *param == GL_SRC_ALPHA) {
- texUnit->CombineOperandA[2] = (GLenum) (GLint) *param;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
- return;
- }
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
+ }
+ break;
+ case GL_TEXTURE_ENV_COLOR:
+ {
+ GLfloat tmp[4];
+ tmp[0] = CLAMP( param[0], 0.0F, 1.0F );
+ tmp[1] = CLAMP( param[1], 0.0F, 1.0F );
+ tmp[2] = CLAMP( param[2], 0.0F, 1.0F );
+ tmp[3] = CLAMP( param[3], 0.0F, 1.0F );
+ if (TEST_EQ_4V(tmp, texUnit->EnvColor))
return;
- }
- break;
- case GL_RGB_SCALE_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- if (*param == 1.0) {
- texUnit->CombineScaleShiftRGB = 0;
- }
- else if (*param == 2.0) {
- texUnit->CombineScaleShiftRGB = 1;
- }
- else if (*param == 4.0) {
- texUnit->CombineScaleShiftRGB = 2;
- }
- else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" );
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texUnit->EnvColor, tmp);
+ }
+ break;
+ case GL_COMBINE_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum mode = (GLenum) (GLint) *param;
+ if (texUnit->Combine.ModeRGB == mode)
+ return;
+ switch (mode) {
+ case GL_REPLACE:
+ case GL_MODULATE:
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ case GL_INTERPOLATE:
+ /* OK */
+ break;
+ case GL_SUBTRACT:
+ if (!ctx->Extensions.ARB_texture_env_combine) {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
return;
}
+ break;
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGBA_EXT:
+ if (!ctx->Extensions.EXT_texture_env_dot3) {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ break;
+ case GL_DOT3_RGB:
+ case GL_DOT3_RGBA:
+ if (!ctx->Extensions.ARB_texture_env_dot3) {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ break;
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ if (!ctx->Extensions.ATI_texture_env_combine3) {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ break;
+ default:
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.ModeRGB = mode;
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_COMBINE_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum mode = (GLenum) (GLint) *param;
+ if (texUnit->Combine.ModeA == mode)
+ return;
+ switch (mode) {
+ case GL_REPLACE:
+ case GL_MODULATE:
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ case GL_INTERPOLATE:
+ /* OK */
+ break;
+ case GL_SUBTRACT:
+ if (!ctx->Extensions.ARB_texture_env_combine) {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ break;
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ if (!ctx->Extensions.ATI_texture_env_combine3) {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ break;
+ default:
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode);
+ return;
+ }
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.ModeA = mode;
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_SOURCE0_RGB:
+ case GL_SOURCE1_RGB:
+ case GL_SOURCE2_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum source = (GLenum) (GLint) *param;
+ const GLuint s = pname - GL_SOURCE0_RGB;
+ if (texUnit->Combine.SourceRGB[s] == source)
+ return;
+ if (source == GL_TEXTURE ||
+ source == GL_CONSTANT ||
+ source == GL_PRIMARY_COLOR ||
+ source == GL_PREVIOUS ||
+ (ctx->Extensions.ARB_texture_env_crossbar &&
+ source >= GL_TEXTURE0 &&
+ source < GL_TEXTURE0 + ctx->Const.MaxTextureUnits) ||
+ (ctx->Extensions.ATI_texture_env_combine3 &&
+ (source == GL_ZERO || source == GL_ONE))) {
+ /* legal */
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.SourceRGB[s] = source;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- case GL_ALPHA_SCALE:
- if (ctx->Extensions.EXT_texture_env_combine) {
- if (*param == 1.0) {
- texUnit->CombineScaleShiftA = 0;
- }
- else if (*param == 2.0) {
- texUnit->CombineScaleShiftA = 1;
- }
- else if (*param == 4.0) {
- texUnit->CombineScaleShiftA = 2;
- }
- else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" );
- return;
- }
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", source);
+ return;
+ }
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_SOURCE0_ALPHA:
+ case GL_SOURCE1_ALPHA:
+ case GL_SOURCE2_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum source = (GLenum) (GLint) *param;
+ const GLuint s = pname - GL_SOURCE0_ALPHA;
+ if (texUnit->Combine.SourceA[s] == source)
+ return;
+ if (source == GL_TEXTURE ||
+ source == GL_CONSTANT ||
+ source == GL_PRIMARY_COLOR ||
+ source == GL_PREVIOUS ||
+ (ctx->Extensions.ARB_texture_env_crossbar &&
+ source >= GL_TEXTURE0 &&
+ source < GL_TEXTURE0 + ctx->Const.MaxTextureUnits) ||
+ (ctx->Extensions.ATI_texture_env_combine3 &&
+ (source == GL_ZERO || source == GL_ONE))) {
+ /* legal */
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.SourceA[s] = source;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(pname)");
- return;
- }
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
- return;
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", source);
+ return;
+ }
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_OPERAND0_RGB:
+ case GL_OPERAND1_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum operand = (GLenum) (GLint) *param;
+ const GLuint s = pname - GL_OPERAND0_RGB;
+ if (texUnit->Combine.OperandRGB[s] == operand)
+ return;
+ switch (operand) {
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.OperandRGB[s] = operand;
+ break;
+ default:
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand);
+ return;
+ }
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_OPERAND0_ALPHA:
+ case GL_OPERAND1_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum operand = (GLenum) (GLint) *param;
+ if (texUnit->Combine.OperandA[pname-GL_OPERAND0_ALPHA] == operand)
+ return;
+ switch (operand) {
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.OperandA[pname-GL_OPERAND0_ALPHA] = operand;
+ break;
+ default:
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand);
+ return;
+ }
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_OPERAND2_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum operand = (GLenum) (GLint) *param;
+ if (texUnit->Combine.OperandRGB[2] == operand)
+ return;
+ switch (operand) {
+ case GL_SRC_COLOR: /* ARB combine only */
+ case GL_ONE_MINUS_SRC_COLOR: /* ARB combine only */
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.OperandRGB[2] = operand;
+ break;
+ default:
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand);
+ return;
+ }
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_OPERAND2_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ const GLenum operand = (GLenum) (GLint) *param;
+ if (texUnit->Combine.OperandA[2] == operand)
+ return;
+ switch (operand) {
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.OperandA[2] = operand;
+ break;
+ default:
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand);
+ return;
+ }
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_RGB_SCALE:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ GLuint newshift;
+ if (*param == 1.0) {
+ newshift = 0;
+ }
+ else if (*param == 2.0) {
+ newshift = 1;
+ }
+ else if (*param == 4.0) {
+ newshift = 2;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glTexEnv(GL_RGB_SCALE not 1, 2 or 4)" );
+ return;
+ }
+ if (texUnit->Combine.ScaleShiftRGB == newshift)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.ScaleShiftRGB = newshift;
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ case GL_ALPHA_SCALE:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ GLuint newshift;
+ if (*param == 1.0) {
+ newshift = 0;
+ }
+ else if (*param == 2.0) {
+ newshift = 1;
+ }
+ else if (*param == 4.0) {
+ newshift = 2;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glTexEnv(GL_ALPHA_SCALE not 1, 2 or 4)" );
+ return;
+ }
+ if (texUnit->Combine.ScaleShiftA == newshift)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Combine.ScaleShiftA = newshift;
+ }
+ else {
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
+ return;
+ }
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
+ return;
}
}
- else if (target==GL_TEXTURE_FILTER_CONTROL_EXT) {
+ else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
+ /* GL_EXT_texture_lod_bias */
if (!ctx->Extensions.EXT_texture_lod_bias) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target );
return;
}
if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
- texUnit->LodBias = param[0];
+ if (texUnit->LodBias == param[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->LodBias = param[0];
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
+ TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
return;
}
}
+ else if (target == GL_POINT_SPRITE_NV) {
+ /* GL_ARB_point_sprite / GL_NV_point_sprite */
+ if (!ctx->Extensions.NV_point_sprite
+ && !ctx->Extensions.ARB_point_sprite) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target );
+ return;
+ }
+ if (pname == GL_COORD_REPLACE_NV) {
+ const GLenum value = (GLenum) param[0];
+ if (value == GL_TRUE || value == GL_FALSE) {
+ /* It's kind of weird to set point state via glTexEnv,
+ * but that's what the spec calls for.
+ */
+ const GLboolean state = (GLboolean) value;
+ if (ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] = state;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param=0x%x)", value);
+ return;
+ }
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname=0x%x)", pname );
+ return;
+ }
+ }
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)",target );
return;
}
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
- fprintf(stderr, "glTexEnv %s %s %.1f(%s) ...\n",
- gl_lookup_enum_by_nr(target),
- gl_lookup_enum_by_nr(pname),
- *param,
- gl_lookup_enum_by_nr((GLenum) (GLint) *param));
+ _mesa_debug(ctx, "glTexEnv %s %s %.1f(%s) ...\n",
+ _mesa_lookup_enum_by_nr(target),
+ _mesa_lookup_enum_by_nr(pname),
+ *param,
+ _mesa_lookup_enum_by_nr((GLenum) (GLint) *param));
/* Tell device driver about the new texture environment */
if (ctx->Driver.TexEnv) {
(*ctx->Driver.TexEnv)( ctx, target, pname, param );
}
-
- ctx->NewState |= _NEW_TEXTURE;
}
-void
+void GLAPIENTRY
_mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param )
{
_mesa_TexEnvfv( target, pname, ¶m );
-void
+void GLAPIENTRY
_mesa_TexEnvi( GLenum target, GLenum pname, GLint param )
{
GLfloat p[4];
}
-void
+void GLAPIENTRY
_mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param )
{
GLfloat p[4];
- p[0] = INT_TO_FLOAT( param[0] );
- p[1] = INT_TO_FLOAT( param[1] );
- p[2] = INT_TO_FLOAT( param[2] );
- p[3] = INT_TO_FLOAT( param[3] );
+ if (pname == GL_TEXTURE_ENV_COLOR) {
+ p[0] = INT_TO_FLOAT( param[0] );
+ p[1] = INT_TO_FLOAT( param[1] );
+ p[2] = INT_TO_FLOAT( param[2] );
+ p[3] = INT_TO_FLOAT( param[3] );
+ }
+ else {
+ p[0] = (GLfloat) param[0];
+ p[1] = p[2] = p[3] = 0; /* init to zero, just to be safe */
+ }
_mesa_TexEnvfv( target, pname, p );
}
-void
+void GLAPIENTRY
_mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexEnvfv");
-
- if (target!=GL_TEXTURE_ENV) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
- return;
+ if (target == GL_TEXTURE_ENV) {
+ switch (pname) {
+ case GL_TEXTURE_ENV_MODE:
+ *params = ENUM_TO_FLOAT(texUnit->EnvMode);
+ break;
+ case GL_TEXTURE_ENV_COLOR:
+ COPY_4FV( params, texUnit->EnvColor );
+ break;
+ case GL_COMBINE_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.ModeRGB;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_COMBINE_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.ModeA;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_SOURCE0_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.SourceRGB[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_SOURCE1_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.SourceRGB[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_SOURCE2_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.SourceRGB[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_SOURCE0_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.SourceA[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_SOURCE1_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.SourceA[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_SOURCE2_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.SourceA[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_OPERAND0_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.OperandRGB[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_OPERAND1_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.OperandRGB[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_OPERAND2_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.OperandRGB[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_OPERAND0_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.OperandA[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_OPERAND1_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.OperandA[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_OPERAND2_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLfloat) texUnit->Combine.OperandA[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+ case GL_RGB_SCALE:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ if (texUnit->Combine.ScaleShiftRGB == 0)
+ *params = 1.0;
+ else if (texUnit->Combine.ScaleShiftRGB == 1)
+ *params = 2.0;
+ else
+ *params = 4.0;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ return;
+ }
+ break;
+ case GL_ALPHA_SCALE:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ if (texUnit->Combine.ScaleShiftA == 0)
+ *params = 1.0;
+ else if (texUnit->Combine.ScaleShiftA == 1)
+ *params = 2.0;
+ else
+ *params = 4.0;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ return;
+ }
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname=0x%x)", pname);
+ }
}
-
- switch (pname) {
- case GL_TEXTURE_ENV_MODE:
- *params = ENUM_TO_FLOAT(texUnit->EnvMode);
- break;
- case GL_TEXTURE_ENV_COLOR:
- COPY_4FV( params, texUnit->EnvColor );
- break;
- case GL_RGB_SCALE_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- if (texUnit->CombineScaleShiftRGB == 0)
- *params = 1.0;
- else if (texUnit->CombineScaleShiftRGB == 1)
- *params = 2.0;
- else
- *params = 4.0;
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
- return;
- }
- break;
- case GL_ALPHA_SCALE:
- if (ctx->Extensions.EXT_texture_env_combine) {
- if (texUnit->CombineScaleShiftA == 0)
- *params = 1.0;
- else if (texUnit->CombineScaleShiftA == 1)
- *params = 2.0;
- else
- *params = 4.0;
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
- return;
- }
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
+ else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
+ /* GL_EXT_texture_lod_bias */
+ if (!ctx->Extensions.EXT_texture_lod_bias) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
+ return;
+ }
+ if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
+ *params = texUnit->LodBias;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
+ return;
+ }
+ }
+ else if (target == GL_POINT_SPRITE_NV) {
+ /* GL_ARB_point_sprite / GL_NV_point_sprite */
+ if (!ctx->Extensions.NV_point_sprite
+ && !ctx->Extensions.ARB_point_sprite) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
+ return;
+ }
+ if (pname == GL_COORD_REPLACE_NV) {
+ *params = (GLfloat) ctx->Point.CoordReplace[ctx->Texture.CurrentUnit];
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" );
+ return;
+ }
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" );
+ return;
}
}
-void
+void GLAPIENTRY
_mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
{
GET_CURRENT_CONTEXT(ctx);
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexEnviv");
-
- if (target != GL_TEXTURE_ENV) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
- return;
- }
-
- switch (pname) {
- case GL_TEXTURE_ENV_MODE:
- *params = (GLint) texUnit->EnvMode;
- break;
- case GL_TEXTURE_ENV_COLOR:
- params[0] = FLOAT_TO_INT( texUnit->EnvColor[0] );
- params[1] = FLOAT_TO_INT( texUnit->EnvColor[1] );
- params[2] = FLOAT_TO_INT( texUnit->EnvColor[2] );
- params[3] = FLOAT_TO_INT( texUnit->EnvColor[3] );
- break;
- case GL_COMBINE_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineModeRGB;
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_COMBINE_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineModeA;
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_SOURCE0_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineSourceRGB[0];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_SOURCE1_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineSourceRGB[1];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_SOURCE2_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineSourceRGB[2];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_SOURCE0_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineSourceA[0];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_SOURCE1_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineSourceA[1];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_SOURCE2_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineSourceA[2];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_OPERAND0_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineOperandRGB[0];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_OPERAND1_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineOperandRGB[1];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_OPERAND2_RGB_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineOperandRGB[2];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_OPERAND0_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineOperandA[0];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_OPERAND1_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineOperandA[1];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- case GL_OPERAND2_ALPHA_EXT:
- if (ctx->Extensions.EXT_texture_env_combine) {
- *params = (GLint) texUnit->CombineOperandA[2];
- }
- else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
- }
- break;
- default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" );
+ if (target == GL_TEXTURE_ENV) {
+ switch (pname) {
+ case GL_TEXTURE_ENV_MODE:
+ *params = (GLint) texUnit->EnvMode;
+ break;
+ case GL_TEXTURE_ENV_COLOR:
+ params[0] = FLOAT_TO_INT( texUnit->EnvColor[0] );
+ params[1] = FLOAT_TO_INT( texUnit->EnvColor[1] );
+ params[2] = FLOAT_TO_INT( texUnit->EnvColor[2] );
+ params[3] = FLOAT_TO_INT( texUnit->EnvColor[3] );
+ break;
+ case GL_COMBINE_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.ModeRGB;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_COMBINE_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.ModeA;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_SOURCE0_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.SourceRGB[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_SOURCE1_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.SourceRGB[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_SOURCE2_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.SourceRGB[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_SOURCE0_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.SourceA[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_SOURCE1_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.SourceA[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_SOURCE2_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.SourceA[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_OPERAND0_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.OperandRGB[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_OPERAND1_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.OperandRGB[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_OPERAND2_RGB:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.OperandRGB[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_OPERAND0_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.OperandA[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_OPERAND1_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.OperandA[1];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_OPERAND2_ALPHA:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ *params = (GLint) texUnit->Combine.OperandA[2];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ }
+ break;
+ case GL_RGB_SCALE:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ if (texUnit->Combine.ScaleShiftRGB == 0)
+ *params = 1;
+ else if (texUnit->Combine.ScaleShiftRGB == 1)
+ *params = 2;
+ else
+ *params = 4;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ return;
+ }
+ break;
+ case GL_ALPHA_SCALE:
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ if (texUnit->Combine.ScaleShiftA == 0)
+ *params = 1;
+ else if (texUnit->Combine.ScaleShiftA == 1)
+ *params = 2;
+ else
+ *params = 4;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)");
+ return;
+ }
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname=0x%x)",
+ pname);
+ }
+ }
+ else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
+ /* GL_EXT_texture_lod_bias */
+ if (!ctx->Extensions.EXT_texture_lod_bias) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
+ return;
+ }
+ if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
+ *params = (GLint) texUnit->LodBias;
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" );
+ return;
+ }
+ }
+ else if (target == GL_POINT_SPRITE_NV) {
+ /* GL_ARB_point_sprite / GL_NV_point_sprite */
+ if (!ctx->Extensions.NV_point_sprite
+ && !ctx->Extensions.ARB_point_sprite) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
+ return;
+ }
+ if (pname == GL_COORD_REPLACE_NV) {
+ *params = (GLint) ctx->Point.CoordReplace[ctx->Texture.CurrentUnit];
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" );
+ return;
+ }
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" );
+ return;
}
}
/* Texture Parameters */
/**********************************************************************/
+static GLboolean
+_mesa_validate_texture_wrap_mode(GLcontext * ctx,
+ GLenum target, GLenum eparam)
+{
+ const struct gl_extensions * const e = & ctx->Extensions;
-void
+ if (eparam == GL_CLAMP || eparam == GL_CLAMP_TO_EDGE ||
+ (eparam == GL_CLAMP_TO_BORDER && e->ARB_texture_border_clamp)) {
+ /* any texture target */
+ return GL_TRUE;
+ }
+ else if (target != GL_TEXTURE_RECTANGLE_NV &&
+ (eparam == GL_REPEAT ||
+ (eparam == GL_MIRRORED_REPEAT &&
+ e->ARB_texture_mirrored_repeat) ||
+ (eparam == GL_MIRROR_CLAMP_EXT &&
+ (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
+ (eparam == GL_MIRROR_CLAMP_TO_EDGE_EXT &&
+ (e->ATI_texture_mirror_once || e->EXT_texture_mirror_clamp)) ||
+ (eparam == 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
+void GLAPIENTRY
_mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
GLenum eparam = (GLenum) (GLint) params[0];
struct gl_texture_object *texObj;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexParameterfv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
- fprintf(stderr, "texPARAM %s %s %d...\n",
- gl_lookup_enum_by_nr(target),
- gl_lookup_enum_by_nr(pname),
- eparam);
+ _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));
switch (target) {
case GL_TEXTURE_2D:
texObj = texUnit->Current2D;
break;
- case GL_TEXTURE_3D_EXT:
+ case GL_TEXTURE_3D:
texObj = texUnit->Current3D;
break;
- case GL_TEXTURE_CUBE_MAP_ARB:
- if (ctx->Extensions.ARB_texture_cube_map) {
- texObj = texUnit->CurrentCubeMap;
- 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;
}
- /* fallthrough */
+ texObj = texUnit->CurrentRect;
+ break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" );
return;
}
/* A small optimization */
if (texObj->MinFilter == eparam)
return;
-
- if (eparam==GL_NEAREST || eparam==GL_LINEAR
- || eparam==GL_NEAREST_MIPMAP_NEAREST
- || eparam==GL_LINEAR_MIPMAP_NEAREST
- || eparam==GL_NEAREST_MIPMAP_LINEAR
- || eparam==GL_LINEAR_MIPMAP_LINEAR) {
+ 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 {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
break;
return;
if (eparam==GL_NEAREST || eparam==GL_LINEAR) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->MagFilter = eparam;
}
else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
break;
case GL_TEXTURE_WRAP_S:
if (texObj->WrapS == eparam)
return;
-
- if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) {
+ if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->WrapS = eparam;
}
else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
break;
case GL_TEXTURE_WRAP_T:
if (texObj->WrapT == eparam)
return;
-
- if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) {
+ if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->WrapT = eparam;
}
else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
break;
- case GL_TEXTURE_WRAP_R_EXT:
+ case GL_TEXTURE_WRAP_R:
if (texObj->WrapR == eparam)
return;
-
- if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) {
+ if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->WrapR = eparam;
}
else {
- gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return;
}
break;
case GL_TEXTURE_BORDER_COLOR:
- texObj->BorderColor[0] = (GLchan) CLAMP((GLint)(params[0]*CHAN_MAXF), 0, CHAN_MAX);
- texObj->BorderColor[1] = (GLchan) CLAMP((GLint)(params[1]*CHAN_MAXF), 0, CHAN_MAX);
- texObj->BorderColor[2] = (GLchan) CLAMP((GLint)(params[2]*CHAN_MAXF), 0, CHAN_MAX);
- texObj->BorderColor[3] = (GLchan) CLAMP((GLint)(params[3]*CHAN_MAXF), 0, CHAN_MAX);
+ 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) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ return;
+ }
+ if (target == GL_TEXTURE_RECTANGLE_NV && 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) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" );
return;
}
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texObj->MaxLevel = (GLint) params[0];
break;
case GL_TEXTURE_PRIORITY:
- /* (keithh@netcomuk.co.uk) */
+ 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:
- gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(pname)" );
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexParameter(pname=0x%x)", pname);
return;
}
- ctx->NewState |= _NEW_TEXTURE;
texObj->Complete = GL_FALSE;
if (ctx->Driver.TexParameter) {
}
-void
-_mesa_TexParameteri( GLenum target, GLenum pname, const GLint param )
+void GLAPIENTRY
+_mesa_TexParameteri( GLenum target, GLenum pname, GLint param )
{
GLfloat fparam[4];
- fparam[0] = (GLfloat) param;
+ 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
+
+void GLAPIENTRY
_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params )
{
GLfloat fparam[4];
- fparam[0] = (GLfloat) params[0];
- fparam[1] = fparam[2] = fparam[3] = 0.0;
+ 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
+void GLAPIENTRY
_mesa_GetTexLevelParameterfv( GLenum target, GLint level,
GLenum pname, GLfloat *params )
{
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
return 3;
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ 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;
default:
- gl_problem(ctx, "bad target in _mesa_tex_target_dimensions()");
+ _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()");
return 0;
}
}
-void
+void GLAPIENTRY
_mesa_GetTexLevelParameteriv( GLenum target, GLint level,
GLenum pname, GLint *params )
{
const struct gl_texture_image *img = NULL;
GLuint dimensions;
GLboolean isProxy;
+ GLint maxLevels;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexLevelParameter");
+ /* 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;
+ }
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- gl_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ maxLevels = ctx->Const.MaxTextureLevels;
+ break;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ maxLevels = ctx->Const.Max3DTextureLevels;
+ break;
+ 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:
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ break;
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ maxLevels = 1;
+ break;
+ default:
+ _mesa_problem(ctx, "switch in _mesa_GetTexLevelParameter");
return;
}
- dimensions = tex_image_dimensions(ctx, target); /* 1, 2 or 3 */
- if (dimensions == 0) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)");
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" );
return;
}
img = _mesa_select_tex_image(ctx, texUnit, target, level);
- if (!img) {
+ if (!img || !img->TexFormat) {
+ /* undefined texture image */
if (pname == GL_TEXTURE_COMPONENTS)
*params = 1;
else
isProxy = (target == GL_PROXY_TEXTURE_1D) ||
(target == GL_PROXY_TEXTURE_2D) ||
(target == GL_PROXY_TEXTURE_3D) ||
- (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB);
+ (target == GL_PROXY_TEXTURE_CUBE_MAP) ||
+ (target == GL_PROXY_TEXTURE_RECTANGLE_NV);
switch (pname) {
case GL_TEXTURE_WIDTH:
*params = img->Width;
return;
case GL_TEXTURE_HEIGHT:
- if (dimensions > 1) {
- *params = img->Height;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname=GL_TEXTURE_HEIGHT)" );
- }
+ *params = img->Height;
return;
case GL_TEXTURE_DEPTH:
- if (dimensions > 2) {
- *params = img->Depth;
- }
- else {
- gl_error( ctx, GL_INVALID_ENUM,
- "glGetTexLevelParameter[if]v(pname=GL_TEXTURE_DEPTH)" );
- }
+ *params = img->Depth;
return;
- case GL_TEXTURE_COMPONENTS:
+ case GL_TEXTURE_INTERNAL_FORMAT:
*params = img->IntFormat;
return;
case GL_TEXTURE_BORDER:
*params = img->Border;
return;
case GL_TEXTURE_RED_SIZE:
- *params = img->RedBits;
+ if (img->Format == GL_RGB || img->Format == GL_RGBA)
+ *params = img->TexFormat->RedBits;
+ else
+ *params = 0;
return;
case GL_TEXTURE_GREEN_SIZE:
- *params = img->GreenBits;
+ if (img->Format == GL_RGB || img->Format == GL_RGBA)
+ *params = img->TexFormat->GreenBits;
+ else
+ *params = 0;
return;
case GL_TEXTURE_BLUE_SIZE:
- *params = img->BlueBits;
+ if (img->Format == GL_RGB || img->Format == GL_RGBA)
+ *params = img->TexFormat->BlueBits;
+ else
+ *params = 0;
return;
case GL_TEXTURE_ALPHA_SIZE:
- *params = img->AlphaBits;
+ if (img->Format == GL_ALPHA || img->Format == GL_LUMINANCE_ALPHA ||
+ img->Format == GL_RGBA)
+ *params = img->TexFormat->AlphaBits;
+ else
+ *params = 0;
return;
case GL_TEXTURE_INTENSITY_SIZE:
- *params = img->IntensityBits;
+ if (img->Format != 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);
return;
case GL_TEXTURE_LUMINANCE_SIZE:
- *params = img->LuminanceBits;
+ if (img->Format != GL_LUMINANCE &&
+ img->Format != 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);
return;
case GL_TEXTURE_INDEX_SIZE_EXT:
- *params = img->IndexBits;
+ if (img->Format == GL_COLOR_INDEX)
+ *params = img->TexFormat->IndexBits;
+ else
+ *params = 0;
+ return;
+ case GL_DEPTH_BITS:
+ /* XXX this isn't in the GL_SGIX_depth_texture spec
+ * but seems appropriate.
+ */
+ if (ctx->Extensions.SGIX_depth_texture)
+ *params = img->TexFormat->DepthBits;
+ else
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
return;
/* GL_ARB_texture_compression */
- case GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB:
+ case GL_TEXTURE_COMPRESSED_IMAGE_SIZE:
if (ctx->Extensions.ARB_texture_compression) {
if (img->IsCompressed && !isProxy)
*params = img->CompressedSize;
else
- gl_error(ctx, GL_INVALID_OPERATION,
- "glGetTexLevelParameter[if]v(pname)");
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexLevelParameter[if]v(pname)");
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
}
return;
- case GL_TEXTURE_COMPRESSED_ARB:
+ case GL_TEXTURE_COMPRESSED:
if (ctx->Extensions.ARB_texture_compression) {
*params = (GLint) img->IsCompressed;
}
else {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
}
return;
+ /* 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)");
+ }
+ return;
+ 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)");
+ }
+ return;
+ 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)");
+ }
+ return;
+ 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)");
+ }
+ return;
+ 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)");
+ }
+ return;
+ 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)");
+ }
+ return;
+ 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)");
+ }
+ return;
default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetTexLevelParameter[if]v(pname)");
}
}
-void
+void GLAPIENTRY
_mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_object *obj;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexParameterfv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)");
return;
}
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = ENUM_TO_FLOAT(obj->MagFilter);
- break;
+ return;
case GL_TEXTURE_MIN_FILTER:
*params = ENUM_TO_FLOAT(obj->MinFilter);
- break;
+ return;
case GL_TEXTURE_WRAP_S:
*params = ENUM_TO_FLOAT(obj->WrapS);
- break;
+ return;
case GL_TEXTURE_WRAP_T:
*params = ENUM_TO_FLOAT(obj->WrapT);
- break;
- case GL_TEXTURE_WRAP_R_EXT:
+ return;
+ case GL_TEXTURE_WRAP_R:
*params = ENUM_TO_FLOAT(obj->WrapR);
- break;
+ return;
case GL_TEXTURE_BORDER_COLOR:
- params[0] = obj->BorderColor[0] / CHAN_MAXF;
- params[1] = obj->BorderColor[1] / CHAN_MAXF;
- params[2] = obj->BorderColor[2] / CHAN_MAXF;
- params[3] = obj->BorderColor[3] / CHAN_MAXF;
- break;
+ 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);
+ return;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
resident = GL_TRUE;
*params = ENUM_TO_FLOAT(resident);
}
- break;
+ return;
case GL_TEXTURE_PRIORITY:
*params = obj->Priority;
- break;
+ return;
case GL_TEXTURE_MIN_LOD:
*params = obj->MinLod;
- break;
+ return;
case GL_TEXTURE_MAX_LOD:
*params = obj->MaxLod;
- break;
+ return;
case GL_TEXTURE_BASE_LEVEL:
*params = (GLfloat) obj->BaseLevel;
- break;
+ return;
case GL_TEXTURE_MAX_LEVEL:
*params = (GLfloat) obj->MaxLevel;
+ return;
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ *params = obj->MaxAnisotropy;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ *params = (GLfloat) obj->CompareFlag;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_OPERATOR_SGIX:
+ if (ctx->Extensions.SGIX_shadow) {
+ *params = (GLfloat) obj->CompareOperator;
+ return;
+ }
+ break;
+ case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */
+ if (ctx->Extensions.SGIX_shadow_ambient) {
+ *params = obj->ShadowAmbient;
+ return;
+ }
+ break;
+ case GL_GENERATE_MIPMAP_SGIS:
+ if (ctx->Extensions.SGIS_generate_mipmap) {
+ *params = (GLfloat) obj->GenerateMipmap;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_MODE_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLfloat) obj->CompareMode;
+ return;
+ }
+ break;
+ case GL_TEXTURE_COMPARE_FUNC_ARB:
+ if (ctx->Extensions.ARB_shadow) {
+ *params = (GLfloat) obj->CompareFunc;
+ return;
+ }
+ break;
+ case GL_DEPTH_TEXTURE_MODE_ARB:
+ if (ctx->Extensions.ARB_depth_texture) {
+ *params = (GLfloat) obj->DepthMode;
+ return;
+ }
+ break;
+ case GL_TEXTURE_LOD_BIAS:
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ *params = obj->LodBias;
+ return;
+ }
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" );
+ ; /* silence warnings */
}
+ /* If we get here, pname was an unrecognized enum */
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)",
+ pname);
}
-void
+void GLAPIENTRY
_mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
{
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_object *obj;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexParameteriv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
obj = _mesa_select_tex_object(ctx, texUnit, target);
if (!obj) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)");
return;
}
switch (pname) {
case GL_TEXTURE_MAG_FILTER:
*params = (GLint) obj->MagFilter;
- break;
+ return;
case GL_TEXTURE_MIN_FILTER:
*params = (GLint) obj->MinFilter;
- break;
+ return;
case GL_TEXTURE_WRAP_S:
*params = (GLint) obj->WrapS;
- break;
+ return;
case GL_TEXTURE_WRAP_T:
*params = (GLint) obj->WrapT;
- break;
- case GL_TEXTURE_WRAP_R_EXT:
+ return;
+ case GL_TEXTURE_WRAP_R:
*params = (GLint) obj->WrapR;
- break;
+ return;
case GL_TEXTURE_BORDER_COLOR:
{
- GLfloat color[4];
- color[0] = obj->BorderColor[0] / CHAN_MAXF;
- color[1] = obj->BorderColor[1] / CHAN_MAXF;
- color[2] = obj->BorderColor[2] / CHAN_MAXF;
- color[3] = obj->BorderColor[3] / CHAN_MAXF;
- params[0] = FLOAT_TO_INT( color[0] );
- params[1] = FLOAT_TO_INT( color[1] );
- params[2] = FLOAT_TO_INT( color[2] );
- params[3] = FLOAT_TO_INT( color[3] );
+ 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]);
}
- break;
+ return;
case GL_TEXTURE_RESIDENT:
{
GLboolean resident;
resident = GL_TRUE;
*params = (GLint) resident;
}
- break;
+ return;
case GL_TEXTURE_PRIORITY:
- *params = (GLint) obj->Priority;
- break;
+ *params = FLOAT_TO_INT(obj->Priority);
+ return;
case GL_TEXTURE_MIN_LOD:
*params = (GLint) obj->MinLod;
- break;
+ return;
case GL_TEXTURE_MAX_LOD:
*params = (GLint) obj->MaxLod;
- break;
+ return;
case GL_TEXTURE_BASE_LEVEL:
*params = obj->BaseLevel;
- break;
+ 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:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" );
+ ; /* silence warnings */
}
+ /* If we get here, pname was an unrecognized enum */
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname);
}
/* Texture Coord Generation */
/**********************************************************************/
-
-void
+#if FEATURE_texgen
+void GLAPIENTRY
_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentTransformUnit;
+ GLuint tUnit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexGenfv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
- fprintf(stderr, "texGEN %s %s %x...\n",
- gl_lookup_enum_by_nr(coord),
- gl_lookup_enum_by_nr(pname),
- *(int *)params);
+ _mesa_debug(ctx, "glTexGen %s %s %.1f(%s)...\n",
+ _mesa_lookup_enum_by_nr(coord),
+ _mesa_lookup_enum_by_nr(pname),
+ *params,
+ _mesa_lookup_enum_by_nr((GLenum) (GLint) *params));
switch (coord) {
case GL_S:
if (pname==GL_TEXTURE_GEN_MODE) {
GLenum mode = (GLenum) (GLint) *params;
+ GLuint bits;
switch (mode) {
case GL_OBJECT_LINEAR:
- texUnit->GenModeS = mode;
- texUnit->_GenBitS = TEXGEN_OBJ_LINEAR;
+ bits = TEXGEN_OBJ_LINEAR;
break;
case GL_EYE_LINEAR:
- texUnit->GenModeS = mode;
- texUnit->_GenBitS = TEXGEN_EYE_LINEAR;
+ bits = TEXGEN_EYE_LINEAR;
break;
case GL_REFLECTION_MAP_NV:
- texUnit->GenModeS = mode;
- texUnit->_GenBitS = TEXGEN_REFLECTION_MAP_NV;
+ bits = TEXGEN_REFLECTION_MAP_NV;
break;
case GL_NORMAL_MAP_NV:
- texUnit->GenModeS = mode;
- texUnit->_GenBitS = TEXGEN_NORMAL_MAP_NV;
+ bits = TEXGEN_NORMAL_MAP_NV;
break;
case GL_SPHERE_MAP:
- texUnit->GenModeS = mode;
- texUnit->_GenBitS = TEXGEN_SPHERE_MAP;
+ bits = TEXGEN_SPHERE_MAP;
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
return;
}
+ if (texUnit->GenModeS == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->GenModeS = mode;
+ texUnit->_GenBitS = bits;
}
else if (pname==GL_OBJECT_PLANE) {
+ if (TEST_EQ_4V(texUnit->ObjectPlaneS, params))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->ObjectPlaneS[0] = params[0];
texUnit->ObjectPlaneS[1] = params[1];
texUnit->ObjectPlaneS[2] = params[2];
texUnit->ObjectPlaneS[3] = params[3];
}
else if (pname==GL_EYE_PLANE) {
+ GLfloat tmp[4];
+
/* Transform plane equation by the inverse modelview matrix */
- if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) {
- _math_matrix_analyze( &ctx->ModelView );
+ if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) {
+ _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
}
- gl_transform_vector( texUnit->EyePlaneS, params,
- ctx->ModelView.inv );
+ _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
+ if (TEST_EQ_4V(texUnit->EyePlaneS, tmp))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texUnit->EyePlaneS, tmp);
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
return;
}
break;
case GL_T:
if (pname==GL_TEXTURE_GEN_MODE) {
GLenum mode = (GLenum) (GLint) *params;
+ GLuint bitt;
switch (mode) {
case GL_OBJECT_LINEAR:
- texUnit->GenModeT = GL_OBJECT_LINEAR;
- texUnit->_GenBitT = TEXGEN_OBJ_LINEAR;
+ bitt = TEXGEN_OBJ_LINEAR;
break;
case GL_EYE_LINEAR:
- texUnit->GenModeT = GL_EYE_LINEAR;
- texUnit->_GenBitT = TEXGEN_EYE_LINEAR;
+ bitt = TEXGEN_EYE_LINEAR;
break;
case GL_REFLECTION_MAP_NV:
- texUnit->GenModeT = GL_REFLECTION_MAP_NV;
- texUnit->_GenBitT = TEXGEN_REFLECTION_MAP_NV;
+ bitt = TEXGEN_REFLECTION_MAP_NV;
break;
case GL_NORMAL_MAP_NV:
- texUnit->GenModeT = GL_NORMAL_MAP_NV;
- texUnit->_GenBitT = TEXGEN_NORMAL_MAP_NV;
+ bitt = TEXGEN_NORMAL_MAP_NV;
break;
case GL_SPHERE_MAP:
- texUnit->GenModeT = GL_SPHERE_MAP;
- texUnit->_GenBitT = TEXGEN_SPHERE_MAP;
+ bitt = TEXGEN_SPHERE_MAP;
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
return;
}
+ if (texUnit->GenModeT == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->GenModeT = mode;
+ texUnit->_GenBitT = bitt;
}
else if (pname==GL_OBJECT_PLANE) {
+ if (TEST_EQ_4V(texUnit->ObjectPlaneT, params))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->ObjectPlaneT[0] = params[0];
texUnit->ObjectPlaneT[1] = params[1];
texUnit->ObjectPlaneT[2] = params[2];
texUnit->ObjectPlaneT[3] = params[3];
}
else if (pname==GL_EYE_PLANE) {
+ GLfloat tmp[4];
/* Transform plane equation by the inverse modelview matrix */
- if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) {
- _math_matrix_analyze( &ctx->ModelView );
+ if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) {
+ _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
}
- gl_transform_vector( texUnit->EyePlaneT, params,
- ctx->ModelView.inv );
+ _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
+ if (TEST_EQ_4V(texUnit->EyePlaneT, tmp))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texUnit->EyePlaneT, tmp);
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
return;
}
break;
case GL_R:
if (pname==GL_TEXTURE_GEN_MODE) {
GLenum mode = (GLenum) (GLint) *params;
+ GLuint bitr;
switch (mode) {
case GL_OBJECT_LINEAR:
- texUnit->GenModeR = GL_OBJECT_LINEAR;
- texUnit->_GenBitR = TEXGEN_OBJ_LINEAR;
+ bitr = TEXGEN_OBJ_LINEAR;
break;
case GL_REFLECTION_MAP_NV:
- texUnit->GenModeR = GL_REFLECTION_MAP_NV;
- texUnit->_GenBitR = TEXGEN_REFLECTION_MAP_NV;
+ bitr = TEXGEN_REFLECTION_MAP_NV;
break;
case GL_NORMAL_MAP_NV:
- texUnit->GenModeR = GL_NORMAL_MAP_NV;
- texUnit->_GenBitR = TEXGEN_NORMAL_MAP_NV;
+ bitr = TEXGEN_NORMAL_MAP_NV;
break;
case GL_EYE_LINEAR:
- texUnit->GenModeR = GL_EYE_LINEAR;
- texUnit->_GenBitR = TEXGEN_EYE_LINEAR;
+ bitr = TEXGEN_EYE_LINEAR;
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
return;
}
+ if (texUnit->GenModeR == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->GenModeR = mode;
+ texUnit->_GenBitR = bitr;
}
else if (pname==GL_OBJECT_PLANE) {
+ if (TEST_EQ_4V(texUnit->ObjectPlaneR, params))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->ObjectPlaneR[0] = params[0];
texUnit->ObjectPlaneR[1] = params[1];
texUnit->ObjectPlaneR[2] = params[2];
texUnit->ObjectPlaneR[3] = params[3];
}
else if (pname==GL_EYE_PLANE) {
+ GLfloat tmp[4];
/* Transform plane equation by the inverse modelview matrix */
- if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) {
- _math_matrix_analyze( &ctx->ModelView );
+ if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) {
+ _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
}
- gl_transform_vector( texUnit->EyePlaneR, params,
- ctx->ModelView.inv );
+ _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
+ if (TEST_EQ_4V(texUnit->EyePlaneR, tmp))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texUnit->EyePlaneR, tmp);
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
return;
}
break;
case GL_Q:
if (pname==GL_TEXTURE_GEN_MODE) {
GLenum mode = (GLenum) (GLint) *params;
+ GLuint bitq;
switch (mode) {
case GL_OBJECT_LINEAR:
- texUnit->GenModeQ = GL_OBJECT_LINEAR;
- texUnit->_GenBitQ = TEXGEN_OBJ_LINEAR;
+ bitq = TEXGEN_OBJ_LINEAR;
break;
case GL_EYE_LINEAR:
- texUnit->GenModeQ = GL_EYE_LINEAR;
- texUnit->_GenBitQ = TEXGEN_EYE_LINEAR;
+ bitq = TEXGEN_EYE_LINEAR;
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
return;
}
+ if (texUnit->GenModeQ == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->GenModeQ = mode;
+ texUnit->_GenBitQ = bitq;
}
else if (pname==GL_OBJECT_PLANE) {
+ if (TEST_EQ_4V(texUnit->ObjectPlaneQ, params))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->ObjectPlaneQ[0] = params[0];
texUnit->ObjectPlaneQ[1] = params[1];
texUnit->ObjectPlaneQ[2] = params[2];
texUnit->ObjectPlaneQ[3] = params[3];
}
else if (pname==GL_EYE_PLANE) {
+ GLfloat tmp[4];
/* Transform plane equation by the inverse modelview matrix */
- if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) {
- _math_matrix_analyze( &ctx->ModelView );
+ if (ctx->ModelviewMatrixStack.Top->flags & MAT_DIRTY_INVERSE) {
+ _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
}
- gl_transform_vector( texUnit->EyePlaneQ, params,
- ctx->ModelView.inv );
+ _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
+ if (TEST_EQ_4V(texUnit->EyePlaneQ, tmp))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texUnit->EyePlaneQ, tmp);
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
return;
}
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" );
return;
}
- ctx->NewState |= _NEW_TEXTURE;
+ if (ctx->Driver.TexGen)
+ ctx->Driver.TexGen( ctx, coord, pname, params );
}
-void
+void GLAPIENTRY
_mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params )
{
GLfloat p[4];
- p[0] = params[0];
- p[1] = params[1];
- p[2] = params[2];
- p[3] = params[3];
+ p[0] = (GLfloat) params[0];
+ if (pname == GL_TEXTURE_GEN_MODE) {
+ p[1] = p[2] = p[3] = 0.0F;
+ }
+ else {
+ p[1] = (GLfloat) params[1];
+ p[2] = (GLfloat) params[2];
+ p[3] = (GLfloat) params[3];
+ }
_mesa_TexGenfv(coord, pname, p);
}
-void
+void GLAPIENTRY
_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param )
{
GLfloat p = (GLfloat) param;
}
-void
+void GLAPIENTRY
_mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params )
{
GLfloat p[4];
- p[0] = params[0];
- p[1] = params[1];
- p[2] = params[2];
- p[3] = params[3];
+ p[0] = (GLfloat) params[0];
+ if (pname == GL_TEXTURE_GEN_MODE) {
+ p[1] = p[2] = p[3] = 0.0F;
+ }
+ else {
+ p[1] = (GLfloat) params[1];
+ p[2] = (GLfloat) params[2];
+ p[3] = (GLfloat) params[3];
+ }
_mesa_TexGenfv( coord, pname, p );
}
-void
+void GLAPIENTRY
_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param )
{
_mesa_TexGenfv(coord, pname, ¶m);
}
-void
+void GLAPIENTRY
_mesa_TexGeni( GLenum coord, GLenum pname, GLint param )
{
_mesa_TexGeniv( coord, pname, ¶m );
-void
+void GLAPIENTRY
_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params )
{
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentTransformUnit;
+ GLuint tUnit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGendv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (coord) {
case GL_S:
COPY_4V( params, texUnit->EyePlaneS );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
return;
}
break;
COPY_4V( params, texUnit->EyePlaneT );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
return;
}
break;
COPY_4V( params, texUnit->EyePlaneR );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
return;
}
break;
COPY_4V( params, texUnit->EyePlaneQ );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
return;
}
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" );
return;
}
}
-void
+void GLAPIENTRY
_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params )
{
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentTransformUnit;
+ GLuint tUnit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGenfv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (coord) {
case GL_S:
COPY_4V( params, texUnit->EyePlaneS );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
return;
}
break;
COPY_4V( params, texUnit->EyePlaneT );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
return;
}
break;
COPY_4V( params, texUnit->EyePlaneR );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
return;
}
break;
COPY_4V( params, texUnit->EyePlaneQ );
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
return;
}
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" );
return;
}
}
-void
+void GLAPIENTRY
_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params )
{
GET_CURRENT_CONTEXT(ctx);
- GLuint tUnit = ctx->Texture.CurrentTransformUnit;
+ GLuint tUnit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit];
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGeniv");
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (coord) {
case GL_S:
params[3] = (GLint) texUnit->EyePlaneS[3];
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
return;
}
break;
params[3] = (GLint) texUnit->EyePlaneT[3];
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
return;
}
break;
params[3] = (GLint) texUnit->EyePlaneR[3];
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
return;
}
break;
params[3] = (GLint) texUnit->EyePlaneQ[3];
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
return;
}
break;
default:
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" );
return;
}
}
-
+#endif
/* GL_ARB_multitexture */
-void
+void GLAPIENTRY
_mesa_ActiveTextureARB( GLenum target )
{
GET_CURRENT_CONTEXT(ctx);
- GLint maxUnits = ctx->Const.MaxTextureUnits;
-
- ASSERT_OUTSIDE_BEGIN_END( ctx, "glActiveTextureARB" );
+ const GLuint texUnit = target - GL_TEXTURE0;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- fprintf(stderr, "glActiveTexture %s\n",
- gl_lookup_enum_by_nr(target));
-
- if (target >= GL_TEXTURE0_ARB && target < GL_TEXTURE0_ARB + maxUnits) {
- GLint texUnit = target - GL_TEXTURE0_ARB;
- ctx->Texture.CurrentUnit = texUnit;
- ctx->Texture.CurrentTransformUnit = texUnit;
- if (ctx->Driver.ActiveTexture) {
- (*ctx->Driver.ActiveTexture)( ctx, (GLuint) texUnit );
- }
- ctx->NewState |= _NEW_TEXTURE;
+ _mesa_debug(ctx, "glActiveTexture %s\n",
+ _mesa_lookup_enum_by_nr(target));
+
+ /* Cater for texture unit 0 is first, therefore use >= */
+ if (texUnit >= ctx->Const.MaxTextureUnits) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(target)");
+ return;
}
- else {
- gl_error(ctx, GL_INVALID_OPERATION, "glActiveTextureARB(target)");
+
+ if (ctx->Texture.CurrentUnit == texUnit)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+
+ ctx->Texture.CurrentUnit = texUnit;
+ if (ctx->Transform.MatrixMode == GL_TEXTURE) {
+ /* update current stack pointer */
+ ctx->CurrentStack = &ctx->TextureMatrixStack[texUnit];
+ }
+
+ if (ctx->Driver.ActiveTexture) {
+ (*ctx->Driver.ActiveTexture)( ctx, (GLuint) texUnit );
}
}
/* GL_ARB_multitexture */
-void
+void GLAPIENTRY
_mesa_ClientActiveTextureARB( GLenum target )
{
GET_CURRENT_CONTEXT(ctx);
- GLint maxUnits = ctx->Const.MaxTextureUnits;
+ GLuint texUnit = target - GL_TEXTURE0;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (texUnit > ctx->Const.MaxTextureUnits) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(target)");
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.ActiveTexture = texUnit;
+}
+
+
+
+/**********************************************************************/
+/* Pixel Texgen Extensions */
+/**********************************************************************/
+
+void GLAPIENTRY
+_mesa_PixelTexGenSGIX(GLenum mode)
+{
+ GLenum newRgbSource, newAlphaSource;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (mode) {
+ case GL_NONE:
+ newRgbSource = GL_PIXEL_GROUP_COLOR_SGIS;
+ newAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS;
+ break;
+ case GL_ALPHA:
+ newRgbSource = GL_PIXEL_GROUP_COLOR_SGIS;
+ newAlphaSource = GL_CURRENT_RASTER_COLOR;
+ break;
+ case GL_RGB:
+ newRgbSource = GL_CURRENT_RASTER_COLOR;
+ newAlphaSource = GL_PIXEL_GROUP_COLOR_SGIS;
+ break;
+ case GL_RGBA:
+ newRgbSource = GL_CURRENT_RASTER_COLOR;
+ newAlphaSource = GL_CURRENT_RASTER_COLOR;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPixelTexGenSGIX(mode)");
+ return;
+ }
+
+ if (newRgbSource == ctx->Pixel.FragmentRgbSource &&
+ newAlphaSource == ctx->Pixel.FragmentAlphaSource)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.FragmentRgbSource = newRgbSource;
+ ctx->Pixel.FragmentAlphaSource = newAlphaSource;
+}
+
+
+void GLAPIENTRY
+_mesa_PixelTexGenParameterfSGIS(GLenum target, GLfloat value)
+{
+ _mesa_PixelTexGenParameteriSGIS(target, (GLint) value);
+}
+
+
+void GLAPIENTRY
+_mesa_PixelTexGenParameterfvSGIS(GLenum target, const GLfloat *value)
+{
+ _mesa_PixelTexGenParameteriSGIS(target, (GLint) *value);
+}
+
+
+void GLAPIENTRY
+_mesa_PixelTexGenParameteriSGIS(GLenum target, GLint value)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (value != GL_CURRENT_RASTER_COLOR && value != GL_PIXEL_GROUP_COLOR_SGIS) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPixelTexGenParameterSGIS(value)");
+ return;
+ }
+
+ switch (target) {
+ case GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS:
+ if (ctx->Pixel.FragmentRgbSource == (GLenum) value)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.FragmentRgbSource = (GLenum) value;
+ break;
+ case GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS:
+ if (ctx->Pixel.FragmentAlphaSource == (GLenum) value)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.FragmentAlphaSource = (GLenum) value;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPixelTexGenParameterSGIS(target)");
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_PixelTexGenParameterivSGIS(GLenum target, const GLint *value)
+{
+ _mesa_PixelTexGenParameteriSGIS(target, *value);
+}
+
+
+void GLAPIENTRY
+_mesa_GetPixelTexGenParameterfvSGIS(GLenum target, GLfloat *value)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target == GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS) {
+ *value = (GLfloat) ctx->Pixel.FragmentRgbSource;
+ }
+ else if (target == GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS) {
+ *value = (GLfloat) ctx->Pixel.FragmentAlphaSource;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelTexGenParameterfvSGIS(target)");
+ }
+}
+
- ASSERT_OUTSIDE_BEGIN_END( ctx, "glClientActiveTextureARB" );
+void GLAPIENTRY
+_mesa_GetPixelTexGenParameterivSGIS(GLenum target, GLint *value)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (target >= GL_TEXTURE0_ARB && target < GL_TEXTURE0_ARB + maxUnits) {
- GLint texUnit = target - GL_TEXTURE0_ARB;
- ctx->Array.ActiveTexture = texUnit;
- ctx->NewState |= _NEW_ARRAY;
+ if (target == GL_PIXEL_FRAGMENT_RGB_SOURCE_SGIS) {
+ *value = (GLint) ctx->Pixel.FragmentRgbSource;
+ }
+ else if (target == GL_PIXEL_FRAGMENT_ALPHA_SOURCE_SGIS) {
+ *value = (GLint) ctx->Pixel.FragmentAlphaSource;
}
else {
- gl_error(ctx, GL_INVALID_OPERATION, "glActiveTextureARB(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelTexGenParameterivSGIS(target)");
+ }
+}
+
+
+
+/**********************************************************************/
+/***** State management *****/
+/**********************************************************************/
+
+
+/**
+ * \note This routine refers to derived texture attribute values to
+ * compute the ENABLE_TEXMAT flags, but is only called on
+ * _NEW_TEXTURE_MATRIX. On changes to _NEW_TEXTURE, the ENABLE_TEXMAT
+ * flags are updated by _mesa_update_textures(), below.
+ *
+ * \param ctx GL context.
+ */
+static void
+update_texture_matrices( GLcontext *ctx )
+{
+ GLuint i;
+
+ ctx->Texture._TexMatEnabled = 0;
+
+ for (i=0; i < ctx->Const.MaxTextureUnits; i++) {
+ if (ctx->TextureMatrixStack[i].Top->flags & MAT_DIRTY) {
+ _math_matrix_analyse( ctx->TextureMatrixStack[i].Top );
+
+ if (ctx->Texture.Unit[i]._ReallyEnabled &&
+ ctx->TextureMatrixStack[i].Top->type != MATRIX_IDENTITY)
+ ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(i);
+
+ if (ctx->Driver.TextureMatrix)
+ ctx->Driver.TextureMatrix( ctx, i, ctx->TextureMatrixStack[i].Top);
+ }
+ }
+}
+
+
+
+
+/**
+ * \note This routine refers to derived texture matrix values to
+ * compute the ENABLE_TEXMAT flags, but is only called on
+ * _NEW_TEXTURE. On changes to _NEW_TEXTURE_MATRIX, the ENABLE_TEXMAT
+ * flags are updated by _mesa_update_texture_matrices, above.
+ *
+ * \param ctx GL context.
+ */
+static void
+update_texture_state( GLcontext *ctx )
+{
+ GLuint unit;
+
+ ctx->NewState |= _NEW_TEXTURE; /* TODO: only set this if there are
+ * actual changes.
+ */
+
+ ctx->Texture._EnabledUnits = 0;
+ ctx->Texture._GenFlags = 0;
+ ctx->Texture._TexMatEnabled = 0;
+ ctx->Texture._TexGenEnabled = 0;
+
+ /* Update texture unit state.
+ * XXX this loop should probably be broken into separate loops for
+ * texture coord units and texture image units.
+ */
+ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ GLuint enableBits;
+
+ texUnit->_Current = NULL;
+ texUnit->_ReallyEnabled = 0;
+ texUnit->_GenFlags = 0;
+
+ /* Get the bitmask of texture enables */
+ if (ctx->FragmentProgram._Enabled) {
+ enableBits = ctx->FragmentProgram.Current->TexturesUsed[unit];
+ }
+ else {
+ if (!texUnit->Enabled)
+ continue;
+ enableBits = texUnit->Enabled;
+ }
+
+ /* Look for the highest-priority texture target that's enabled and
+ * complete. That's the one we'll use for texturing. If we're using
+ * a fragment program we're guaranteed that bitcount(enabledBits) <= 1.
+ */
+ if (enableBits & TEXTURE_CUBE_BIT) {
+ struct gl_texture_object *texObj = texUnit->CurrentCubeMap;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE_CUBE_BIT;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_3D_BIT)) {
+ struct gl_texture_object *texObj = texUnit->Current3D;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE_3D_BIT;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_RECT_BIT)) {
+ struct gl_texture_object *texObj = texUnit->CurrentRect;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE_RECT_BIT;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_2D_BIT)) {
+ struct gl_texture_object *texObj = texUnit->Current2D;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE_2D_BIT;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled && (enableBits & TEXTURE_1D_BIT)) {
+ struct gl_texture_object *texObj = texUnit->Current1D;
+ if (!texObj->Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->Complete) {
+ texUnit->_ReallyEnabled = TEXTURE_1D_BIT;
+ texUnit->_Current = texObj;
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled) {
+ continue;
+ }
+
+ if (texUnit->_ReallyEnabled)
+ ctx->Texture._EnabledUnits |= (1 << unit);
+
+ if (texUnit->EnvMode == GL_COMBINE) {
+ texUnit->_CurrentCombine = & texUnit->Combine;
+ }
+ else {
+ GLenum format = texUnit->_Current->Image[0][0]->Format;
+ if (format == GL_COLOR_INDEX) {
+ format = GL_RGBA; /* a bit of a hack */
+ }
+ else if (format == GL_DEPTH_COMPONENT) {
+ format = texUnit->_Current->DepthMode;
+ }
+ calculate_derived_texenv(&texUnit->_EnvMode, texUnit->EnvMode, format);
+ texUnit->_CurrentCombine = & texUnit->_EnvMode;
+ }
+
+ switch (texUnit->_CurrentCombine->ModeRGB) {
+ case GL_REPLACE:
+ texUnit->_CurrentCombine->_NumArgsRGB = 1;
+ break;
+ case GL_MODULATE:
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ case GL_SUBTRACT:
+ case GL_DOT3_RGB:
+ case GL_DOT3_RGBA:
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGBA_EXT:
+ texUnit->_CurrentCombine->_NumArgsRGB = 2;
+ break;
+ case GL_INTERPOLATE:
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ texUnit->_CurrentCombine->_NumArgsRGB = 3;
+ break;
+ default:
+ texUnit->_CurrentCombine->_NumArgsRGB = 0;
+ _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state");
+ return;
+ }
+
+ switch (texUnit->_CurrentCombine->ModeA) {
+ case GL_REPLACE:
+ texUnit->_CurrentCombine->_NumArgsA = 1;
+ break;
+ case GL_MODULATE:
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ case GL_SUBTRACT:
+ texUnit->_CurrentCombine->_NumArgsA = 2;
+ break;
+ case GL_INTERPOLATE:
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ texUnit->_CurrentCombine->_NumArgsA = 3;
+ break;
+ default:
+ texUnit->_CurrentCombine->_NumArgsA = 0;
+ _mesa_problem(ctx, "invalid Alpha combine mode in update_texture_state");
+ break;
+ }
+
+ if (texUnit->TexGenEnabled) {
+ if (texUnit->TexGenEnabled & S_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitS;
+ }
+ if (texUnit->TexGenEnabled & T_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitT;
+ }
+ if (texUnit->TexGenEnabled & Q_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitQ;
+ }
+ if (texUnit->TexGenEnabled & R_BIT) {
+ texUnit->_GenFlags |= texUnit->_GenBitR;
+ }
+
+ ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit);
+ ctx->Texture._GenFlags |= texUnit->_GenFlags;
+ }
+
+ if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY)
+ ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit);
+ }
+
+ ctx->Texture._EnabledCoordUnits = ctx->Texture._EnabledUnits;
+ /* Fragment programs may need texture coordinates but not the
+ * corresponding texture images.
+ */
+ if (ctx->FragmentProgram._Enabled) {
+ ctx->Texture._EnabledCoordUnits |=
+ (ctx->FragmentProgram.Current->InputsRead >> FRAG_ATTRIB_TEX0);
}
}
+
+
+void _mesa_update_texture( GLcontext *ctx, GLuint new_state )
+{
+ if (new_state & _NEW_TEXTURE_MATRIX)
+ update_texture_matrices( ctx );
+
+ if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM))
+ update_texture_state( ctx );
+}
+
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
+
+/**
+ * Allocate the proxy textures for the given context.
+ *
+ * \param ctx the context to allocate proxies for.
+ *
+ * \return GL_TRUE on success, or GL_FALSE on failure
+ *
+ * If run out of memory part way through the allocations, clean up and return
+ * GL_FALSE.
+ */
+static GLboolean
+alloc_proxy_textures( GLcontext *ctx )
+{
+ ctx->Texture.Proxy1D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_1D);
+ if (!ctx->Texture.Proxy1D)
+ goto cleanup;
+
+ ctx->Texture.Proxy2D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_2D);
+ if (!ctx->Texture.Proxy2D)
+ goto cleanup;
+
+ ctx->Texture.Proxy3D = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_3D);
+ if (!ctx->Texture.Proxy3D)
+ goto cleanup;
+
+ ctx->Texture.ProxyCubeMap = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_CUBE_MAP_ARB);
+ if (!ctx->Texture.ProxyCubeMap)
+ goto cleanup;
+
+ ctx->Texture.ProxyRect = (*ctx->Driver.NewTextureObject)(ctx, 0, GL_TEXTURE_RECTANGLE_NV);
+ if (!ctx->Texture.ProxyRect)
+ goto cleanup;
+
+ return GL_TRUE;
+
+ cleanup:
+ if (ctx->Texture.Proxy1D)
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1D);
+ if (ctx->Texture.Proxy2D)
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2D);
+ if (ctx->Texture.Proxy3D)
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy3D);
+ if (ctx->Texture.ProxyCubeMap)
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap);
+ if (ctx->Texture.ProxyRect)
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect);
+ return GL_FALSE;
+}
+
+
+/**
+ * Initialize a texture unit.
+ *
+ * \param ctx GL context.
+ * \param unit texture unit number to be initialized.
+ */
+static void
+init_texture_unit( GLcontext *ctx, GLuint unit )
+{
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+ texUnit->EnvMode = GL_MODULATE;
+ ASSIGN_4V( texUnit->EnvColor, 0.0, 0.0, 0.0, 0.0 );
+
+ texUnit->Combine = default_combine_state;
+ texUnit->_EnvMode = default_combine_state;
+ texUnit->_CurrentCombine = & texUnit->_EnvMode;
+
+ texUnit->TexGenEnabled = 0;
+ texUnit->GenModeS = GL_EYE_LINEAR;
+ texUnit->GenModeT = GL_EYE_LINEAR;
+ texUnit->GenModeR = GL_EYE_LINEAR;
+ texUnit->GenModeQ = GL_EYE_LINEAR;
+ texUnit->_GenBitS = TEXGEN_EYE_LINEAR;
+ texUnit->_GenBitT = TEXGEN_EYE_LINEAR;
+ texUnit->_GenBitR = TEXGEN_EYE_LINEAR;
+ texUnit->_GenBitQ = TEXGEN_EYE_LINEAR;
+
+ /* Yes, these plane coefficients are correct! */
+ ASSIGN_4V( texUnit->ObjectPlaneS, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->ObjectPlaneT, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->ObjectPlaneR, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->ObjectPlaneQ, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->EyePlaneS, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->EyePlaneT, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->EyePlaneR, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->EyePlaneQ, 0.0, 0.0, 0.0, 0.0 );
+
+ texUnit->Current1D = ctx->Shared->Default1D;
+ texUnit->Current2D = ctx->Shared->Default2D;
+ texUnit->Current3D = ctx->Shared->Default3D;
+ texUnit->CurrentCubeMap = ctx->Shared->DefaultCubeMap;
+ texUnit->CurrentRect = ctx->Shared->DefaultRect;
+}
+
+
+GLboolean _mesa_init_texture( GLcontext * ctx )
+{
+ int i;
+
+ assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS);
+ assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
+
+ /* Effectively bind the default textures to all texture units */
+ ctx->Shared->Default1D->RefCount += MAX_TEXTURE_UNITS;
+ ctx->Shared->Default2D->RefCount += MAX_TEXTURE_UNITS;
+ ctx->Shared->Default3D->RefCount += MAX_TEXTURE_UNITS;
+ ctx->Shared->DefaultCubeMap->RefCount += MAX_TEXTURE_UNITS;
+ ctx->Shared->DefaultRect->RefCount += MAX_TEXTURE_UNITS;
+
+ /* Texture group */
+ ctx->Texture.CurrentUnit = 0; /* multitexture */
+ ctx->Texture._EnabledUnits = 0;
+ for (i=0; i<MAX_TEXTURE_UNITS; i++)
+ init_texture_unit( ctx, i );
+ ctx->Texture.SharedPalette = GL_FALSE;
+ _mesa_init_colortable(&ctx->Texture.Palette);
+
+ /* Allocate proxy textures */
+ if (!alloc_proxy_textures( ctx ))
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+void _mesa_free_texture_data( GLcontext *ctx )
+{
+ int i;
+
+ /* Free proxy texture objects */
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy1D );
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy2D );
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.Proxy3D );
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyCubeMap );
+ (ctx->Driver.DeleteTexture)(ctx, ctx->Texture.ProxyRect );
+
+ for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
+ _mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable );
+}
projects / mesa.git / blobdiff