diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/texstate.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/texstate.c | 3271 |
1 files changed, 0 insertions, 3271 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/texstate.c b/nx-X11/extras/Mesa/src/mesa/main/texstate.c deleted file mode 100644 index 8ac41a277..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/texstate.c +++ /dev/null @@ -1,3271 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * 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"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file texstate.c - * - * Texture state handling. - */ - -#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 "texenvprogram.h" -#include "mtypes.h" -#include "math/m_xform.h" -#include "math/m_matrix.h" - - - -#ifdef SPECIALCAST -/* Needed for an Amiga compiler */ -#define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X)) -#define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X)) -#else -/* all other compilers */ -#define ENUM_TO_FLOAT(X) ((GLfloat)(X)) -#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; - } - - 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); - -#define TE_ERROR(errCode, msg, value) \ - _mesa_error(ctx, errCode, msg, _mesa_lookup_enum_by_nr(value)); - - if (target == GL_TEXTURE_ENV) { - switch (pname) { - 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 { - TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); - return; - } - } - 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; - 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 { - 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 { - 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.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 if (ctx->Extensions.EXT_texture_env_combine) { - const GLenum operand = (GLenum) (GLint) *param; - if (texUnit->Combine.OperandRGB[2] == operand) - return; - /* operand must be GL_SRC_ALPHA which is the initial value - thus - don't need to actually compare the operand to the possible value */ - else { - 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.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 if (ctx->Extensions.EXT_texture_env_combine) { - const GLenum operand = (GLenum) (GLint) *param; - if (texUnit->Combine.OperandA[2] == operand) - return; - /* operand must be GL_SRC_ALPHA which is the initial value - thus - don't need to actually compare the operand to the possible value */ - else { - 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) { - /* GL_EXT_texture_lod_bias */ - if (!ctx->Extensions.EXT_texture_lod_bias) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target ); - return; - } - if (pname == GL_TEXTURE_LOD_BIAS_EXT) { - if (texUnit->LodBias == param[0]) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->LodBias = param[0]; - } - else { - 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 { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)",target ); - return; - } - - if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) - _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 ); - } -} - - -void GLAPIENTRY -_mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param ) -{ - _mesa_TexEnvfv( target, pname, ¶m ); -} - - - -void GLAPIENTRY -_mesa_TexEnvi( GLenum target, GLenum pname, GLint param ) -{ - GLfloat p[4]; - p[0] = (GLfloat) param; - p[1] = p[2] = p[3] = 0.0; - _mesa_TexEnvfv( target, pname, p ); -} - - -void GLAPIENTRY -_mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param ) -{ - GLfloat p[4]; - 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 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); - - 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); - } - } - 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 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); - - 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; - - 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 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(ctx); - - if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) - _mesa_debug(ctx, "glTexParameter %s %s %.1f(%s)...\n", - _mesa_lookup_enum_by_nr(target), - _mesa_lookup_enum_by_nr(pname), - *params, - _mesa_lookup_enum_by_nr(eparam)); - - - switch (target) { - case GL_TEXTURE_1D: - texObj = texUnit->Current1D; - break; - case GL_TEXTURE_2D: - texObj = texUnit->Current2D; - break; - case GL_TEXTURE_3D: - texObj = texUnit->Current3D; - break; - case GL_TEXTURE_CUBE_MAP: - if (!ctx->Extensions.ARB_texture_cube_map) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - texObj = texUnit->CurrentCubeMap; - break; - case GL_TEXTURE_RECTANGLE_NV: - if (!ctx->Extensions.NV_texture_rectangle) { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - texObj = texUnit->CurrentRect; - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); - return; - } - - switch (pname) { - case GL_TEXTURE_MIN_FILTER: - /* A small optimization */ - if (texObj->MinFilter == eparam) - return; - if (eparam==GL_NEAREST || eparam==GL_LINEAR) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MinFilter = eparam; - } - else if ((eparam==GL_NEAREST_MIPMAP_NEAREST || - eparam==GL_LINEAR_MIPMAP_NEAREST || - eparam==GL_NEAREST_MIPMAP_LINEAR || - eparam==GL_LINEAR_MIPMAP_LINEAR) && - texObj->Target != GL_TEXTURE_RECTANGLE_NV) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MinFilter = eparam; - } - else { - _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - break; - case GL_TEXTURE_MAG_FILTER: - /* A small optimization */ - if (texObj->MagFilter == eparam) - return; - - if (eparam==GL_NEAREST || eparam==GL_LINEAR) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MagFilter = eparam; - } - else { - _mesa_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - break; - case GL_TEXTURE_WRAP_S: - if (texObj->WrapS == eparam) - return; - if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->WrapS = eparam; - } - else { - return; - } - break; - case GL_TEXTURE_WRAP_T: - if (texObj->WrapT == eparam) - return; - if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->WrapT = eparam; - } - else { - return; - } - break; - case GL_TEXTURE_WRAP_R: - if (texObj->WrapR == eparam) - return; - if (_mesa_validate_texture_wrap_mode(ctx, texObj->Target, eparam)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->WrapR = eparam; - } - else { - return; - } - break; - case GL_TEXTURE_BORDER_COLOR: - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->BorderColor[RCOMP] = params[0]; - texObj->BorderColor[GCOMP] = params[1]; - texObj->BorderColor[BCOMP] = params[2]; - texObj->BorderColor[ACOMP] = params[3]; - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[RCOMP], params[0]); - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[GCOMP], params[1]); - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[BCOMP], params[2]); - UNCLAMPED_FLOAT_TO_CHAN(texObj->_BorderChan[ACOMP], params[3]); - break; - case GL_TEXTURE_MIN_LOD: - if (texObj->MinLod == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MinLod = params[0]; - break; - case GL_TEXTURE_MAX_LOD: - if (texObj->MaxLod == params[0]) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MaxLod = params[0]; - break; - case GL_TEXTURE_BASE_LEVEL: - if (params[0] < 0.0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - if (target == GL_TEXTURE_RECTANGLE_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) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->MaxLevel = (GLint) params[0]; - break; - case GL_TEXTURE_PRIORITY: - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->Priority = CLAMP( params[0], 0.0F, 1.0F ); - break; - case GL_TEXTURE_MAX_ANISOTROPY_EXT: - if (ctx->Extensions.EXT_texture_filter_anisotropic) { - if (params[0] < 1.0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); - return; - } - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - /* clamp to max, that's what NVIDIA does */ - texObj->MaxAnisotropy = MIN2(params[0], - ctx->Const.MaxTextureMaxAnisotropy); - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_MAX_ANISOTROPY_EXT)"); - return; - } - break; - case GL_TEXTURE_COMPARE_SGIX: - if (ctx->Extensions.SGIX_shadow) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareFlag = params[0] ? GL_TRUE : GL_FALSE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_SGIX)"); - return; - } - break; - case GL_TEXTURE_COMPARE_OPERATOR_SGIX: - if (ctx->Extensions.SGIX_shadow) { - GLenum op = (GLenum) params[0]; - if (op == GL_TEXTURE_LEQUAL_R_SGIX || - op == GL_TEXTURE_GEQUAL_R_SGIX) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareOperator = op; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, "glTexParameter(param)"); - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_OPERATOR_SGIX)"); - return; - } - break; - case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ - if (ctx->Extensions.SGIX_shadow_ambient) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->ShadowAmbient = CLAMP(params[0], 0.0F, 1.0F); - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_SHADOW_AMBIENT_SGIX)"); - return; - } - break; - case GL_GENERATE_MIPMAP_SGIS: - if (ctx->Extensions.SGIS_generate_mipmap) { - texObj->GenerateMipmap = params[0] ? GL_TRUE : GL_FALSE; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_GENERATE_MIPMAP_SGIS)"); - return; - } - break; - case GL_TEXTURE_COMPARE_MODE_ARB: - if (ctx->Extensions.ARB_shadow) { - const GLenum mode = (GLenum) params[0]; - if (mode == GL_NONE || mode == GL_COMPARE_R_TO_TEXTURE_ARB) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareMode = mode; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(bad GL_TEXTURE_COMPARE_MODE_ARB: 0x%x)", mode); - return; - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_MODE_ARB)"); - return; - } - break; - case GL_TEXTURE_COMPARE_FUNC_ARB: - if (ctx->Extensions.ARB_shadow) { - const GLenum func = (GLenum) params[0]; - if (func == GL_LEQUAL || func == GL_GEQUAL) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareFunc = func; - } - else if (ctx->Extensions.EXT_shadow_funcs && - (func == GL_EQUAL || - func == GL_NOTEQUAL || - func == GL_LESS || - func == GL_GREATER || - func == GL_ALWAYS || - func == GL_NEVER)) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->CompareFunc = func; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(bad GL_TEXTURE_COMPARE_FUNC_ARB)"); - return; - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_TEXTURE_COMPARE_FUNC_ARB)"); - return; - } - break; - case GL_DEPTH_TEXTURE_MODE_ARB: - if (ctx->Extensions.ARB_depth_texture) { - const GLenum result = (GLenum) params[0]; - if (result == GL_LUMINANCE || result == GL_INTENSITY - || result == GL_ALPHA) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->DepthMode = result; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(bad GL_DEPTH_TEXTURE_MODE_ARB)"); - return; - } - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=GL_DEPTH_TEXTURE_MODE_ARB)"); - return; - } - break; - case GL_TEXTURE_LOD_BIAS: - /* NOTE: this is really part of OpenGL 1.4, not EXT_texture_lod_bias*/ - if (ctx->Extensions.EXT_texture_lod_bias) { - if (texObj->LodBias != params[0]) { - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texObj->LodBias = params[0]; - } - } - break; - - default: - _mesa_error(ctx, GL_INVALID_ENUM, - "glTexParameter(pname=0x%x)", pname); - return; - } - - texObj->Complete = GL_FALSE; - - if (ctx->Driver.TexParameter) { - (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params ); - } -} - - -void GLAPIENTRY -_mesa_TexParameteri( GLenum target, GLenum pname, GLint param ) -{ - GLfloat fparam[4]; - if (pname == GL_TEXTURE_PRIORITY) - fparam[0] = INT_TO_FLOAT(param); - else - fparam[0] = (GLfloat) param; - fparam[1] = fparam[2] = fparam[3] = 0.0; - _mesa_TexParameterfv(target, pname, fparam); -} - - -void GLAPIENTRY -_mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params ) -{ - GLfloat fparam[4]; - if (pname == GL_TEXTURE_BORDER_COLOR) { - fparam[0] = INT_TO_FLOAT(params[0]); - fparam[1] = INT_TO_FLOAT(params[1]); - fparam[2] = INT_TO_FLOAT(params[2]); - fparam[3] = INT_TO_FLOAT(params[3]); - } - else { - if (pname == GL_TEXTURE_PRIORITY) - fparam[0] = INT_TO_FLOAT(params[0]); - else - fparam[0] = (GLfloat) params[0]; - fparam[1] = fparam[2] = fparam[3] = 0.0F; - } - _mesa_TexParameterfv(target, pname, fparam); -} - - -void GLAPIENTRY -_mesa_GetTexLevelParameterfv( GLenum target, GLint level, - GLenum pname, GLfloat *params ) -{ - GLint iparam; - _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); - *params = (GLfloat) iparam; -} - - -static GLuint -tex_image_dimensions(GLcontext *ctx, GLenum target) -{ - switch (target) { - case GL_TEXTURE_1D: - case GL_PROXY_TEXTURE_1D: - return 1; - case GL_TEXTURE_2D: - case GL_PROXY_TEXTURE_2D: - return 2; - case GL_TEXTURE_3D: - case GL_PROXY_TEXTURE_3D: - return 3; - case GL_TEXTURE_CUBE_MAP: - case GL_PROXY_TEXTURE_CUBE_MAP: - case GL_TEXTURE_CUBE_MAP_POSITIVE_X: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: - case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: - case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: - return ctx->Extensions.ARB_texture_cube_map ? 2 : 0; - case GL_TEXTURE_RECTANGLE_NV: - case GL_PROXY_TEXTURE_RECTANGLE_NV: - return ctx->Extensions.NV_texture_rectangle ? 2 : 0; - default: - _mesa_problem(ctx, "bad target in _mesa_tex_target_dimensions()"); - return 0; - } -} - - -void GLAPIENTRY -_mesa_GetTexLevelParameteriv( GLenum target, GLint level, - GLenum pname, GLint *params ) -{ - GET_CURRENT_CONTEXT(ctx); - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - const struct gl_texture_image *img = NULL; - GLuint dimensions; - GLboolean isProxy; - GLint maxLevels; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - /* 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; - } - - 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; - } - - 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 || !img->TexFormat) { - /* undefined texture image */ - if (pname == GL_TEXTURE_COMPONENTS) - *params = 1; - else - *params = 0; - return; - } - - isProxy = (target == GL_PROXY_TEXTURE_1D) || - (target == GL_PROXY_TEXTURE_2D) || - (target == GL_PROXY_TEXTURE_3D) || - (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: - *params = img->Height; - return; - case GL_TEXTURE_DEPTH: - *params = img->Depth; - return; - case GL_TEXTURE_INTERNAL_FORMAT: - *params = img->IntFormat; - return; - case GL_TEXTURE_BORDER: - *params = img->Border; - return; - case GL_TEXTURE_RED_SIZE: - if (img->Format == GL_RGB || img->Format == GL_RGBA) - *params = img->TexFormat->RedBits; - else - *params = 0; - return; - case GL_TEXTURE_GREEN_SIZE: - if (img->Format == GL_RGB || img->Format == GL_RGBA) - *params = img->TexFormat->GreenBits; - else - *params = 0; - return; - case GL_TEXTURE_BLUE_SIZE: - if (img->Format == GL_RGB || img->Format == GL_RGBA) - *params = img->TexFormat->BlueBits; - else - *params = 0; - return; - case GL_TEXTURE_ALPHA_SIZE: - 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: - 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: - 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: - if (img->Format == GL_COLOR_INDEX) - *params = img->TexFormat->IndexBits; - else - *params = 0; - return; - case GL_TEXTURE_DEPTH_SIZE_ARB: - if (ctx->Extensions.SGIX_depth_texture || - ctx->Extensions.ARB_depth_texture) - *params = img->TexFormat->DepthBits; - else - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - return; - - /* GL_ARB_texture_compression */ - case GL_TEXTURE_COMPRESSED_IMAGE_SIZE: - if (ctx->Extensions.ARB_texture_compression) { - if (img->IsCompressed && !isProxy) - *params = img->CompressedSize; - else - _mesa_error(ctx, GL_INVALID_OPERATION, - "glGetTexLevelParameter[if]v(pname)"); - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - return; - case GL_TEXTURE_COMPRESSED: - if (ctx->Extensions.ARB_texture_compression) { - *params = (GLint) img->IsCompressed; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } - 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: - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetTexLevelParameter[if]v(pname)"); - } -} - - - -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(ctx); - - obj = _mesa_select_tex_object(ctx, texUnit, target); - if (!obj) { - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)"); - return; - } - - switch (pname) { - case GL_TEXTURE_MAG_FILTER: - *params = ENUM_TO_FLOAT(obj->MagFilter); - return; - case GL_TEXTURE_MIN_FILTER: - *params = ENUM_TO_FLOAT(obj->MinFilter); - return; - case GL_TEXTURE_WRAP_S: - *params = ENUM_TO_FLOAT(obj->WrapS); - return; - case GL_TEXTURE_WRAP_T: - *params = ENUM_TO_FLOAT(obj->WrapT); - return; - case GL_TEXTURE_WRAP_R: - *params = ENUM_TO_FLOAT(obj->WrapR); - return; - case GL_TEXTURE_BORDER_COLOR: - params[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F); - params[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F); - params[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F); - params[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F); - return; - case GL_TEXTURE_RESIDENT: - { - GLboolean resident; - if (ctx->Driver.IsTextureResident) - resident = ctx->Driver.IsTextureResident(ctx, obj); - else - resident = GL_TRUE; - *params = ENUM_TO_FLOAT(resident); - } - return; - case GL_TEXTURE_PRIORITY: - *params = obj->Priority; - return; - case GL_TEXTURE_MIN_LOD: - *params = obj->MinLod; - return; - case GL_TEXTURE_MAX_LOD: - *params = obj->MaxLod; - return; - case GL_TEXTURE_BASE_LEVEL: - *params = (GLfloat) obj->BaseLevel; - 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: - ; /* silence warnings */ - } - /* If we get here, pname was an unrecognized enum */ - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname=0x%x)", - pname); -} - - -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(ctx); - - obj = _mesa_select_tex_object(ctx, texUnit, target); - if (!obj) { - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)"); - return; - } - - switch (pname) { - case GL_TEXTURE_MAG_FILTER: - *params = (GLint) obj->MagFilter; - return; - case GL_TEXTURE_MIN_FILTER: - *params = (GLint) obj->MinFilter; - return; - case GL_TEXTURE_WRAP_S: - *params = (GLint) obj->WrapS; - return; - case GL_TEXTURE_WRAP_T: - *params = (GLint) obj->WrapT; - return; - case GL_TEXTURE_WRAP_R: - *params = (GLint) obj->WrapR; - return; - case GL_TEXTURE_BORDER_COLOR: - { - GLfloat b[4]; - b[0] = CLAMP(obj->BorderColor[0], 0.0F, 1.0F); - b[1] = CLAMP(obj->BorderColor[1], 0.0F, 1.0F); - b[2] = CLAMP(obj->BorderColor[2], 0.0F, 1.0F); - b[3] = CLAMP(obj->BorderColor[3], 0.0F, 1.0F); - params[0] = FLOAT_TO_INT(b[0]); - params[1] = FLOAT_TO_INT(b[1]); - params[2] = FLOAT_TO_INT(b[2]); - params[3] = FLOAT_TO_INT(b[3]); - } - return; - case GL_TEXTURE_RESIDENT: - { - GLboolean resident; - if (ctx->Driver.IsTextureResident) - resident = ctx->Driver.IsTextureResident(ctx, obj); - else - resident = GL_TRUE; - *params = (GLint) resident; - } - return; - case GL_TEXTURE_PRIORITY: - *params = FLOAT_TO_INT(obj->Priority); - return; - case GL_TEXTURE_MIN_LOD: - *params = (GLint) obj->MinLod; - return; - case GL_TEXTURE_MAX_LOD: - *params = (GLint) obj->MaxLod; - return; - case GL_TEXTURE_BASE_LEVEL: - *params = obj->BaseLevel; - return; - case GL_TEXTURE_MAX_LEVEL: - *params = obj->MaxLevel; - return; - case GL_TEXTURE_MAX_ANISOTROPY_EXT: - if (ctx->Extensions.EXT_texture_filter_anisotropic) { - *params = (GLint) obj->MaxAnisotropy; - return; - } - break; - case GL_TEXTURE_COMPARE_SGIX: - if (ctx->Extensions.SGIX_shadow) { - *params = (GLint) obj->CompareFlag; - return; - } - break; - case GL_TEXTURE_COMPARE_OPERATOR_SGIX: - if (ctx->Extensions.SGIX_shadow) { - *params = (GLint) obj->CompareOperator; - return; - } - break; - case GL_SHADOW_AMBIENT_SGIX: /* aka GL_TEXTURE_COMPARE_FAIL_VALUE_ARB */ - if (ctx->Extensions.SGIX_shadow_ambient) { - *params = (GLint) FLOAT_TO_INT(obj->ShadowAmbient); - return; - } - break; - case GL_GENERATE_MIPMAP_SGIS: - if (ctx->Extensions.SGIS_generate_mipmap) { - *params = (GLint) obj->GenerateMipmap; - return; - } - break; - case GL_TEXTURE_COMPARE_MODE_ARB: - if (ctx->Extensions.ARB_shadow) { - *params = (GLint) obj->CompareMode; - return; - } - break; - case GL_TEXTURE_COMPARE_FUNC_ARB: - if (ctx->Extensions.ARB_shadow) { - *params = (GLint) obj->CompareFunc; - return; - } - break; - case GL_DEPTH_TEXTURE_MODE_ARB: - if (ctx->Extensions.ARB_depth_texture) { - *params = (GLint) obj->DepthMode; - return; - } - break; - case GL_TEXTURE_LOD_BIAS: - if (ctx->Extensions.EXT_texture_lod_bias) { - *params = (GLint) obj->LodBias; - return; - } - break; - default: - ; /* silence warnings */ - } - /* If we get here, pname was an unrecognized enum */ - _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname=0x%x)", pname); -} - - - - -/**********************************************************************/ -/* Texture Coord Generation */ -/**********************************************************************/ - -#if FEATURE_texgen -void GLAPIENTRY -_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params ) -{ - GET_CURRENT_CONTEXT(ctx); - GLuint tUnit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) - _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: - bits = TEXGEN_OBJ_LINEAR; - break; - case GL_EYE_LINEAR: - bits = TEXGEN_EYE_LINEAR; - break; - case GL_REFLECTION_MAP_NV: - bits = TEXGEN_REFLECTION_MAP_NV; - break; - case GL_NORMAL_MAP_NV: - bits = TEXGEN_NORMAL_MAP_NV; - break; - case GL_SPHERE_MAP: - bits = TEXGEN_SPHERE_MAP; - break; - default: - _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 (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) { - _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); - } - _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 { - _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: - bitt = TEXGEN_OBJ_LINEAR; - break; - case GL_EYE_LINEAR: - bitt = TEXGEN_EYE_LINEAR; - break; - case GL_REFLECTION_MAP_NV: - bitt = TEXGEN_REFLECTION_MAP_NV; - break; - case GL_NORMAL_MAP_NV: - bitt = TEXGEN_NORMAL_MAP_NV; - break; - case GL_SPHERE_MAP: - bitt = TEXGEN_SPHERE_MAP; - break; - default: - _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 (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) { - _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); - } - _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 { - _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: - bitr = TEXGEN_OBJ_LINEAR; - break; - case GL_REFLECTION_MAP_NV: - bitr = TEXGEN_REFLECTION_MAP_NV; - break; - case GL_NORMAL_MAP_NV: - bitr = TEXGEN_NORMAL_MAP_NV; - break; - case GL_EYE_LINEAR: - bitr = TEXGEN_EYE_LINEAR; - break; - default: - _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 (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) { - _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); - } - _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 { - _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: - bitq = TEXGEN_OBJ_LINEAR; - break; - case GL_EYE_LINEAR: - bitq = TEXGEN_EYE_LINEAR; - break; - default: - _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 (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) { - _math_matrix_analyse( ctx->ModelviewMatrixStack.Top ); - } - _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 { - _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); - return; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" ); - return; - } - - if (ctx->Driver.TexGen) - ctx->Driver.TexGen( ctx, coord, pname, params ); -} - - -void GLAPIENTRY -_mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params ) -{ - GLfloat p[4]; - 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 GLAPIENTRY -_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param ) -{ - GLfloat p = (GLfloat) param; - _mesa_TexGenfv( coord, pname, &p ); -} - - -void GLAPIENTRY -_mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params ) -{ - GLfloat p[4]; - 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 GLAPIENTRY -_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param ) -{ - _mesa_TexGenfv(coord, pname, ¶m); -} - - -void GLAPIENTRY -_mesa_TexGeni( GLenum coord, GLenum pname, GLint param ) -{ - _mesa_TexGeniv( coord, pname, ¶m ); -} - - - -void GLAPIENTRY -_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params ) -{ - GET_CURRENT_CONTEXT(ctx); - GLuint tUnit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (coord) { - case GL_S: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_DOUBLE(texUnit->GenModeS); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneS ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneS ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); - return; - } - break; - case GL_T: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_DOUBLE(texUnit->GenModeT); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneT ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneT ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); - return; - } - break; - case GL_R: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_DOUBLE(texUnit->GenModeR); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneR ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneR ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); - return; - } - break; - case GL_Q: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_DOUBLE(texUnit->GenModeQ); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneQ ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneQ ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); - return; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" ); - return; - } -} - - - -void GLAPIENTRY -_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params ) -{ - GET_CURRENT_CONTEXT(ctx); - GLuint tUnit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (coord) { - case GL_S: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_FLOAT(texUnit->GenModeS); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneS ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneS ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); - return; - } - break; - case GL_T: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_FLOAT(texUnit->GenModeT); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneT ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneT ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); - return; - } - break; - case GL_R: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_FLOAT(texUnit->GenModeR); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneR ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneR ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); - return; - } - break; - case GL_Q: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = ENUM_TO_FLOAT(texUnit->GenModeQ); - } - else if (pname==GL_OBJECT_PLANE) { - COPY_4V( params, texUnit->ObjectPlaneQ ); - } - else if (pname==GL_EYE_PLANE) { - COPY_4V( params, texUnit->EyePlaneQ ); - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); - return; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" ); - return; - } -} - - - -void GLAPIENTRY -_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params ) -{ - GET_CURRENT_CONTEXT(ctx); - GLuint tUnit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (coord) { - case GL_S: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = texUnit->GenModeS; - } - else if (pname==GL_OBJECT_PLANE) { - params[0] = (GLint) texUnit->ObjectPlaneS[0]; - params[1] = (GLint) texUnit->ObjectPlaneS[1]; - params[2] = (GLint) texUnit->ObjectPlaneS[2]; - params[3] = (GLint) texUnit->ObjectPlaneS[3]; - } - else if (pname==GL_EYE_PLANE) { - params[0] = (GLint) texUnit->EyePlaneS[0]; - params[1] = (GLint) texUnit->EyePlaneS[1]; - params[2] = (GLint) texUnit->EyePlaneS[2]; - params[3] = (GLint) texUnit->EyePlaneS[3]; - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); - return; - } - break; - case GL_T: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = texUnit->GenModeT; - } - else if (pname==GL_OBJECT_PLANE) { - params[0] = (GLint) texUnit->ObjectPlaneT[0]; - params[1] = (GLint) texUnit->ObjectPlaneT[1]; - params[2] = (GLint) texUnit->ObjectPlaneT[2]; - params[3] = (GLint) texUnit->ObjectPlaneT[3]; - } - else if (pname==GL_EYE_PLANE) { - params[0] = (GLint) texUnit->EyePlaneT[0]; - params[1] = (GLint) texUnit->EyePlaneT[1]; - params[2] = (GLint) texUnit->EyePlaneT[2]; - params[3] = (GLint) texUnit->EyePlaneT[3]; - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); - return; - } - break; - case GL_R: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = texUnit->GenModeR; - } - else if (pname==GL_OBJECT_PLANE) { - params[0] = (GLint) texUnit->ObjectPlaneR[0]; - params[1] = (GLint) texUnit->ObjectPlaneR[1]; - params[2] = (GLint) texUnit->ObjectPlaneR[2]; - params[3] = (GLint) texUnit->ObjectPlaneR[3]; - } - else if (pname==GL_EYE_PLANE) { - params[0] = (GLint) texUnit->EyePlaneR[0]; - params[1] = (GLint) texUnit->EyePlaneR[1]; - params[2] = (GLint) texUnit->EyePlaneR[2]; - params[3] = (GLint) texUnit->EyePlaneR[3]; - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); - return; - } - break; - case GL_Q: - if (pname==GL_TEXTURE_GEN_MODE) { - params[0] = texUnit->GenModeQ; - } - else if (pname==GL_OBJECT_PLANE) { - params[0] = (GLint) texUnit->ObjectPlaneQ[0]; - params[1] = (GLint) texUnit->ObjectPlaneQ[1]; - params[2] = (GLint) texUnit->ObjectPlaneQ[2]; - params[3] = (GLint) texUnit->ObjectPlaneQ[3]; - } - else if (pname==GL_EYE_PLANE) { - params[0] = (GLint) texUnit->EyePlaneQ[0]; - params[1] = (GLint) texUnit->EyePlaneQ[1]; - params[2] = (GLint) texUnit->EyePlaneQ[2]; - params[3] = (GLint) texUnit->EyePlaneQ[3]; - } - else { - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); - return; - } - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" ); - return; - } -} -#endif - -/* GL_ARB_multitexture */ -void GLAPIENTRY -_mesa_ActiveTextureARB( GLenum target ) -{ - GET_CURRENT_CONTEXT(ctx); - const GLuint texUnit = target - GL_TEXTURE0; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_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; - } - - 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 GLAPIENTRY -_mesa_ClientActiveTextureARB( GLenum target ) -{ - GET_CURRENT_CONTEXT(ctx); - 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)"); - } -} - - -void GLAPIENTRY -_mesa_GetPixelTexGenParameterivSGIS(GLenum target, GLint *value) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - 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 { - _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 (_math_matrix_is_dirty(ctx->TextureMatrixStack[i].Top)) { - _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 ); - - _mesa_TexEnvProgramCacheDestroy( ctx ); -} |