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-rw-r--r--src/mesa/main/texstate.c543
1 files changed, 250 insertions, 293 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 9bfb7e0ec2..b9311d0ffc 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.5
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
@@ -29,10 +29,9 @@
*/
#include "glheader.h"
+#include "mfeatures.h"
#include "colormac.h"
-#if FEATURE_colortable
#include "colortab.h"
-#endif
#include "context.h"
#include "enums.h"
#include "macros.h"
@@ -42,7 +41,6 @@
#include "texstate.h"
#include "texenvprogram.h"
#include "mtypes.h"
-#include "math/m_xform.h"
@@ -53,10 +51,10 @@
*/
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 },
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
+ { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA, GL_SRC_ALPHA },
+ { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA },
0, 0,
2, 2
};
@@ -69,7 +67,7 @@ static const struct gl_tex_env_combine_state default_combine_state = {
void
_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
{
- GLuint i;
+ GLuint u, tex;
ASSERT(src);
ASSERT(dst);
@@ -81,57 +79,32 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
dst->Texture.SharedPalette = src->Texture.SharedPalette;
/* per-unit state */
- for (i = 0; i < src->Const.MaxTextureImageUnits; 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;
+ for (u = 0; u < src->Const.MaxTextureImageUnits; u++) {
+ dst->Texture.Unit[u].Enabled = src->Texture.Unit[u].Enabled;
+ dst->Texture.Unit[u].EnvMode = src->Texture.Unit[u].EnvMode;
+ COPY_4V(dst->Texture.Unit[u].EnvColor, src->Texture.Unit[u].EnvColor);
+ dst->Texture.Unit[u].TexGenEnabled = src->Texture.Unit[u].TexGenEnabled;
+ dst->Texture.Unit[u].GenS = src->Texture.Unit[u].GenS;
+ dst->Texture.Unit[u].GenT = src->Texture.Unit[u].GenT;
+ dst->Texture.Unit[u].GenR = src->Texture.Unit[u].GenR;
+ dst->Texture.Unit[u].GenQ = src->Texture.Unit[u].GenQ;
+ dst->Texture.Unit[u].LodBias = src->Texture.Unit[u].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;
+ dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine;
+
+ /* GL_ATI_envmap_bumpmap - need this? */
+ dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget;
+ COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix);
+
/* copy texture object bindings, not contents of texture objects */
_mesa_lock_context_textures(dst);
- _mesa_reference_texobj(&dst->Texture.Unit[i].Current1D,
- src->Texture.Unit[i].Current1D);
- _mesa_reference_texobj(&dst->Texture.Unit[i].Current2D,
- src->Texture.Unit[i].Current2D);
- _mesa_reference_texobj(&dst->Texture.Unit[i].Current3D,
- src->Texture.Unit[i].Current3D);
- _mesa_reference_texobj(&dst->Texture.Unit[i].CurrentCubeMap,
- src->Texture.Unit[i].CurrentCubeMap);
- _mesa_reference_texobj(&dst->Texture.Unit[i].CurrentRect,
- src->Texture.Unit[i].CurrentRect);
- _mesa_reference_texobj(&dst->Texture.Unit[i].Current1DArray,
- src->Texture.Unit[i].Current1DArray);
- _mesa_reference_texobj(&dst->Texture.Unit[i].Current2DArray,
- src->Texture.Unit[i].Current2DArray);
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex],
+ src->Texture.Unit[u].CurrentTex[tex]);
+ }
_mesa_unlock_context_textures(dst);
}
@@ -204,11 +177,14 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
case GL_LUMINANCE:
case GL_RGB:
case GL_YCBCR_MESA:
+ case GL_DUDV_ATI:
state->SourceA[0] = GL_PREVIOUS;
break;
default:
- _mesa_problem(NULL, "Invalid texBaseFormat in calculate_derived_texenv");
+ _mesa_problem(NULL,
+ "Invalid texBaseFormat 0x%x in calculate_derived_texenv",
+ texBaseFormat);
return;
}
@@ -241,6 +217,7 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
break;
case GL_RGB:
case GL_YCBCR_MESA:
+ case GL_DUDV_ATI:
mode_rgb = GL_REPLACE;
break;
case GL_RGBA:
@@ -267,6 +244,7 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
case GL_LUMINANCE_ALPHA:
case GL_RGBA:
case GL_YCBCR_MESA:
+ case GL_DUDV_ATI:
state->SourceRGB[2] = GL_TEXTURE;
state->SourceA[2] = GL_TEXTURE;
state->SourceRGB[0] = GL_CONSTANT;
@@ -282,7 +260,8 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
default:
_mesa_problem(NULL,
- "Invalid texture env mode in calculate_derived_texenv");
+ "Invalid texture env mode 0x%x in calculate_derived_texenv",
+ mode);
return;
}
@@ -364,84 +343,119 @@ _mesa_ClientActiveTextureARB(GLenum texture)
static void
update_texture_matrices( GLcontext *ctx )
{
- GLuint i;
+ GLuint u;
- ctx->Texture._TexMatEnabled = 0;
+ ctx->Texture._TexMatEnabled = 0x0;
- for (i=0; i < ctx->Const.MaxTextureCoordUnits; i++) {
- if (_math_matrix_is_dirty(ctx->TextureMatrixStack[i].Top)) {
- _math_matrix_analyse( ctx->TextureMatrixStack[i].Top );
+ for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
+ if (_math_matrix_is_dirty(ctx->TextureMatrixStack[u].Top)) {
+ _math_matrix_analyse( ctx->TextureMatrixStack[u].Top );
- if (ctx->Texture.Unit[i]._ReallyEnabled &&
- ctx->TextureMatrixStack[i].Top->type != MATRIX_IDENTITY)
- ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(i);
+ if (ctx->Texture.Unit[u]._ReallyEnabled &&
+ ctx->TextureMatrixStack[u].Top->type != MATRIX_IDENTITY)
+ ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(u);
if (ctx->Driver.TextureMatrix)
- ctx->Driver.TextureMatrix( ctx, i, ctx->TextureMatrixStack[i].Top);
+ ctx->Driver.TextureMatrix( ctx, u, ctx->TextureMatrixStack[u].Top);
}
}
}
/**
- * Update texture object's _Function field. We need to do this
- * whenever any of the texture object's shadow-related fields change
- * or when we start/stop using a fragment program.
- *
- * This function could be expanded someday to update additional per-object
- * fields that depend on assorted state changes.
+ * Examine texture unit's combine/env state to update derived state.
*/
static void
-update_texture_compare_function(GLcontext *ctx,
- struct gl_texture_object *tObj)
+update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit)
{
- /* XXX temporarily disable this test since it breaks the GLSL
- * shadow2D(), etc. functions.
+ struct gl_tex_env_combine_state *combine;
+
+ /* Set the texUnit->_CurrentCombine field to point to the user's combiner
+ * state, or the combiner state which is derived from traditional texenv
+ * mode.
*/
- if (0 /*ctx->FragmentProgram._Current*/) {
- /* Texel/coordinate comparison is ignored for programs.
- * See GL_ARB_fragment_program/shader spec for details.
- */
- tObj->_Function = GL_NONE;
+ if (texUnit->EnvMode == GL_COMBINE ||
+ texUnit->EnvMode == GL_COMBINE4_NV) {
+ texUnit->_CurrentCombine = & texUnit->Combine;
}
- else if (tObj->CompareFlag) {
- /* GL_SGIX_shadow */
- if (tObj->CompareOperator == GL_TEXTURE_LEQUAL_R_SGIX) {
- tObj->_Function = GL_LEQUAL;
+ else {
+ const struct gl_texture_object *texObj = texUnit->_Current;
+ GLenum format = texObj->Image[0][texObj->BaseLevel]->_BaseFormat;
+ if (format == GL_COLOR_INDEX) {
+ format = GL_RGBA; /* a bit of a hack */
}
- else {
- ASSERT(tObj->CompareOperator == GL_TEXTURE_GEQUAL_R_SGIX);
- tObj->_Function = GL_GEQUAL;
+ else if (format == GL_DEPTH_COMPONENT ||
+ format == GL_DEPTH_STENCIL_EXT) {
+ format = texObj->DepthMode;
}
+ calculate_derived_texenv(&texUnit->_EnvMode, texUnit->EnvMode, format);
+ texUnit->_CurrentCombine = & texUnit->_EnvMode;
}
- else if (tObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
- /* GL_ARB_shadow */
- tObj->_Function = tObj->CompareFunc;
- }
- else {
- tObj->_Function = GL_NONE; /* pass depth through as grayscale */
- }
-}
+ combine = texUnit->_CurrentCombine;
-/**
- * Helper function for determining which texture object (1D, 2D, cube, etc)
- * should actually be used.
- */
-static void
-texture_override(GLcontext *ctx,
- struct gl_texture_unit *texUnit, GLbitfield enableBits,
- struct gl_texture_object *texObj, GLuint textureBit)
-{
- if (!texUnit->_ReallyEnabled && (enableBits & textureBit)) {
- if (!texObj->_Complete) {
- _mesa_test_texobj_completeness(ctx, texObj);
- }
- if (texObj->_Complete) {
- texUnit->_ReallyEnabled = textureBit;
- texUnit->_Current = texObj;
- update_texture_compare_function(ctx, texObj);
- }
+ /* Determine number of source RGB terms in the combiner function */
+ switch (combine->ModeRGB) {
+ case GL_REPLACE:
+ combine->_NumArgsRGB = 1;
+ break;
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ if (texUnit->EnvMode == GL_COMBINE4_NV)
+ combine->_NumArgsRGB = 4;
+ else
+ combine->_NumArgsRGB = 2;
+ break;
+ case GL_MODULATE:
+ case GL_SUBTRACT:
+ case GL_DOT3_RGB:
+ case GL_DOT3_RGBA:
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGBA_EXT:
+ combine->_NumArgsRGB = 2;
+ break;
+ case GL_INTERPOLATE:
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ combine->_NumArgsRGB = 3;
+ break;
+ case GL_BUMP_ENVMAP_ATI:
+ /* no real arguments for this case */
+ combine->_NumArgsRGB = 0;
+ break;
+ default:
+ combine->_NumArgsRGB = 0;
+ _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state");
+ return;
+ }
+
+ /* Determine number of source Alpha terms in the combiner function */
+ switch (combine->ModeA) {
+ case GL_REPLACE:
+ combine->_NumArgsA = 1;
+ break;
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ if (texUnit->EnvMode == GL_COMBINE4_NV)
+ combine->_NumArgsA = 4;
+ else
+ combine->_NumArgsA = 2;
+ break;
+ case GL_MODULATE:
+ case GL_SUBTRACT:
+ combine->_NumArgsA = 2;
+ break;
+ case GL_INTERPOLATE:
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ combine->_NumArgsA = 3;
+ break;
+ default:
+ combine->_NumArgsA = 0;
+ _mesa_problem(ctx, "invalid Alpha combine mode in update_texture_state");
+ break;
}
}
@@ -460,6 +474,7 @@ update_texture_state( GLcontext *ctx )
GLuint unit;
struct gl_fragment_program *fprog = NULL;
struct gl_vertex_program *vprog = NULL;
+ GLbitfield enabledFragUnits = 0x0;
if (ctx->Shader.CurrentProgram &&
ctx->Shader.CurrentProgram->LinkStatus) {
@@ -478,145 +493,98 @@ update_texture_state( GLcontext *ctx )
}
}
- ctx->NewState |= _NEW_TEXTURE; /* TODO: only set this if there are
- * actual changes.
- */
+ /* TODO: only set this if there are actual changes */
+ ctx->NewState |= _NEW_TEXTURE;
- ctx->Texture._EnabledUnits = 0;
- ctx->Texture._GenFlags = 0;
- ctx->Texture._TexMatEnabled = 0;
- ctx->Texture._TexGenEnabled = 0;
+ ctx->Texture._EnabledUnits = 0x0;
+ ctx->Texture._GenFlags = 0x0;
+ ctx->Texture._TexMatEnabled = 0x0;
+ ctx->Texture._TexGenEnabled = 0x0;
/*
* Update texture unit state.
*/
for (unit = 0; unit < ctx->Const.MaxTextureImageUnits; unit++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- GLbitfield enableBits;
+ GLbitfield enabledVertTargets = 0x0;
+ GLbitfield enabledFragTargets = 0x0;
+ GLbitfield enabledTargets = 0x0;
+ GLuint texIndex;
- texUnit->_Current = NULL;
- texUnit->_ReallyEnabled = 0;
- texUnit->_GenFlags = 0;
-
- /* Get the bitmask of texture enables.
+ /* Get the bitmask of texture target enables.
* enableBits will be a mask of the TEXTURE_*_BIT flags indicating
* which texture targets are enabled (fixed function) or referenced
* by a fragment shader/program. When multiple flags are set, we'll
- * settle on the one with highest priority (see texture_override below).
+ * settle on the one with highest priority (see below).
*/
- if (fprog || vprog) {
- enableBits = 0x0;
- if (fprog)
- enableBits |= fprog->Base.TexturesUsed[unit];
- if (vprog)
- enableBits |= vprog->Base.TexturesUsed[unit];
+ if (vprog) {
+ enabledVertTargets |= vprog->Base.TexturesUsed[unit];
+ }
+
+ if (fprog) {
+ enabledFragTargets |= fprog->Base.TexturesUsed[unit];
}
else {
- if (!texUnit->Enabled)
- continue;
- enableBits = texUnit->Enabled;
+ /* fixed-function fragment program */
+ enabledFragTargets |= texUnit->Enabled;
}
- ASSERT(texUnit->Current1D);
- ASSERT(texUnit->Current2D);
- ASSERT(texUnit->Current3D);
- ASSERT(texUnit->CurrentCubeMap);
- ASSERT(texUnit->CurrentRect);
- ASSERT(texUnit->Current1DArray);
- ASSERT(texUnit->Current2DArray);
-
- /* 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.
- */
- texture_override(ctx, texUnit, enableBits,
- texUnit->Current2DArray, TEXTURE_2D_ARRAY_BIT);
- texture_override(ctx, texUnit, enableBits,
- texUnit->Current1DArray, TEXTURE_1D_ARRAY_BIT);
- texture_override(ctx, texUnit, enableBits,
- texUnit->CurrentCubeMap, TEXTURE_CUBE_BIT);
- texture_override(ctx, texUnit, enableBits,
- texUnit->Current3D, TEXTURE_3D_BIT);
- texture_override(ctx, texUnit, enableBits,
- texUnit->CurrentRect, TEXTURE_RECT_BIT);
- texture_override(ctx, texUnit, enableBits,
- texUnit->Current2D, TEXTURE_2D_BIT);
- texture_override(ctx, texUnit, enableBits,
- texUnit->Current1D, TEXTURE_1D_BIT);
+ enabledTargets = enabledVertTargets | enabledFragTargets;
- if (!texUnit->_ReallyEnabled) {
+ texUnit->_ReallyEnabled = 0x0;
+
+ if (enabledTargets == 0x0) {
+ /* neither vertex nor fragment processing uses this unit */
continue;
}
- if (texUnit->_ReallyEnabled)
- ctx->Texture._EnabledUnits |= (1 << unit);
-
- if (texUnit->EnvMode == GL_COMBINE) {
- texUnit->_CurrentCombine = & texUnit->Combine;
+ /* Look for the highest priority texture target that's enabled (or used
+ * by the vert/frag shaders) and "complete". That's the one we'll use
+ * for texturing. If we're using vert/frag program we're guaranteed
+ * that bitcount(enabledBits) <= 1.
+ * Note that the TEXTURE_x_INDEX values are in high to low priority.
+ */
+ for (texIndex = 0; texIndex < NUM_TEXTURE_TARGETS; texIndex++) {
+ if (enabledTargets & (1 << texIndex)) {
+ struct gl_texture_object *texObj = texUnit->CurrentTex[texIndex];
+ if (!texObj->_Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->_Complete) {
+ texUnit->_ReallyEnabled = 1 << texIndex;
+ _mesa_reference_texobj(&texUnit->_Current, texObj);
+ break;
+ }
+ }
}
- else {
- const struct gl_texture_object *texObj = texUnit->_Current;
- GLenum format = texObj->Image[0][texObj->BaseLevel]->_BaseFormat;
- if (format == GL_COLOR_INDEX) {
- format = GL_RGBA; /* a bit of a hack */
+
+ if (!texUnit->_ReallyEnabled) {
+ if (fprog) {
+ /* If we get here it means the shader is expecting a texture
+ * object, but there isn't one (or it's incomplete). Use the
+ * fallback texture.
+ */
+ struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
+ texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
+ _mesa_reference_texobj(&texUnit->_Current, texObj);
}
- else if (format == GL_DEPTH_COMPONENT
- || format == GL_DEPTH_STENCIL_EXT) {
- format = texObj->DepthMode;
+ else {
+ /* fixed-function: texture unit is really disabled */
+ continue;
}
- 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;
- }
+ /* if we get here, we know this texture unit is enabled */
- 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;
- }
+ ctx->Texture._EnabledUnits |= (1 << unit);
+
+ if (enabledFragTargets)
+ enabledFragUnits |= (1 << unit);
+
+ update_tex_combine(ctx, texUnit);
}
+
/* Determine which texture coordinate sets are actually needed */
if (fprog) {
const GLuint coordMask = (1 << MAX_TEXTURE_COORD_UNITS) - 1;
@@ -624,28 +592,30 @@ update_texture_state( GLcontext *ctx )
= (fprog->Base.InputsRead >> FRAG_ATTRIB_TEX0) & coordMask;
}
else {
- ctx->Texture._EnabledCoordUnits = ctx->Texture._EnabledUnits;
+ ctx->Texture._EnabledCoordUnits = enabledFragUnits;
}
/* Setup texgen for those texture coordinate sets that are in use */
for (unit = 0; unit < ctx->Const.MaxTextureCoordUnits; unit++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ texUnit->_GenFlags = 0x0;
+
if (!(ctx->Texture._EnabledCoordUnits & (1 << unit)))
continue;
if (texUnit->TexGenEnabled) {
if (texUnit->TexGenEnabled & S_BIT) {
- texUnit->_GenFlags |= texUnit->_GenBitS;
+ texUnit->_GenFlags |= texUnit->GenS._ModeBit;
}
if (texUnit->TexGenEnabled & T_BIT) {
- texUnit->_GenFlags |= texUnit->_GenBitT;
- }
- if (texUnit->TexGenEnabled & Q_BIT) {
- texUnit->_GenFlags |= texUnit->_GenBitQ;
+ texUnit->_GenFlags |= texUnit->GenT._ModeBit;
}
if (texUnit->TexGenEnabled & R_BIT) {
- texUnit->_GenFlags |= texUnit->_GenBitR;
+ texUnit->_GenFlags |= texUnit->GenR._ModeBit;
+ }
+ if (texUnit->TexGenEnabled & Q_BIT) {
+ texUnit->_GenFlags |= texUnit->GenQ._ModeBit;
}
ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit);
@@ -728,6 +698,7 @@ static void
init_texture_unit( GLcontext *ctx, GLuint unit )
{
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ GLuint tex;
texUnit->EnvMode = GL_MODULATE;
ASSIGN_4V( texUnit->EnvColor, 0.0, 0.0, 0.0, 0.0 );
@@ -735,35 +706,36 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
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;
+ texUnit->BumpTarget = GL_TEXTURE0;
+
+ texUnit->TexGenEnabled = 0x0;
+ texUnit->GenS.Mode = GL_EYE_LINEAR;
+ texUnit->GenT.Mode = GL_EYE_LINEAR;
+ texUnit->GenR.Mode = GL_EYE_LINEAR;
+ texUnit->GenQ.Mode = GL_EYE_LINEAR;
+ texUnit->GenS._ModeBit = TEXGEN_EYE_LINEAR;
+ texUnit->GenT._ModeBit = TEXGEN_EYE_LINEAR;
+ texUnit->GenR._ModeBit = TEXGEN_EYE_LINEAR;
+ texUnit->GenQ._ModeBit = 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 );
+ ASSIGN_4V( texUnit->GenS.ObjectPlane, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenT.ObjectPlane, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenR.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenQ.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenS.EyePlane, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+
+ /* no mention of this in spec, but maybe id matrix expected? */
+ ASSIGN_4V( texUnit->RotMatrix, 1.0, 0.0, 0.0, 1.0 );
/* initialize current texture object ptrs to the shared default objects */
- _mesa_reference_texobj(&texUnit->Current1D, ctx->Shared->Default1D);
- _mesa_reference_texobj(&texUnit->Current2D, ctx->Shared->Default2D);
- _mesa_reference_texobj(&texUnit->Current3D, ctx->Shared->Default3D);
- _mesa_reference_texobj(&texUnit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
- _mesa_reference_texobj(&texUnit->CurrentRect, ctx->Shared->DefaultRect);
- _mesa_reference_texobj(&texUnit->Current1DArray, ctx->Shared->Default1DArray);
- _mesa_reference_texobj(&texUnit->Current2DArray, ctx->Shared->Default2DArray);
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&texUnit->CurrentTex[tex],
+ ctx->Shared->DefaultTex[tex]);
+ }
}
@@ -773,26 +745,22 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
GLboolean
_mesa_init_texture(GLcontext *ctx)
{
- GLuint i;
-
- assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS);
- assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
+ GLuint u;
/* Texture group */
ctx->Texture.CurrentUnit = 0; /* multitexture */
- ctx->Texture._EnabledUnits = 0;
+ ctx->Texture._EnabledUnits = 0x0;
ctx->Texture.SharedPalette = GL_FALSE;
-#if FEATURE_colortable
_mesa_init_colortable(&ctx->Texture.Palette);
-#endif
- for (i = 0; i < MAX_TEXTURE_UNITS; i++)
- init_texture_unit( ctx, i );
+ for (u = 0; u < MAX_TEXTURE_UNITS; u++)
+ init_texture_unit(ctx, u);
/* After we're done initializing the context's texture state the default
* texture objects' refcounts should be at least MAX_TEXTURE_UNITS + 1.
*/
- assert(ctx->Shared->Default1D->RefCount >= MAX_TEXTURE_UNITS + 1);
+ assert(ctx->Shared->DefaultTex[TEXTURE_1D_INDEX]->RefCount
+ >= MAX_TEXTURE_UNITS + 1);
/* Allocate proxy textures */
if (!alloc_proxy_textures( ctx ))
@@ -812,27 +780,20 @@ _mesa_free_texture_data(GLcontext *ctx)
/* unreference current textures */
for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
- struct gl_texture_unit *unit = ctx->Texture.Unit + u;
- _mesa_reference_texobj(&unit->Current1D, NULL);
- _mesa_reference_texobj(&unit->Current2D, NULL);
- _mesa_reference_texobj(&unit->Current3D, NULL);
- _mesa_reference_texobj(&unit->CurrentCubeMap, NULL);
- _mesa_reference_texobj(&unit->CurrentRect, NULL);
- _mesa_reference_texobj(&unit->Current1DArray, NULL);
- _mesa_reference_texobj(&unit->Current2DArray, NULL);
+ /* The _Current texture could account for another reference */
+ _mesa_reference_texobj(&ctx->Texture.Unit[u]._Current, NULL);
+
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ _mesa_reference_texobj(&ctx->Texture.Unit[u].CurrentTex[tgt], NULL);
+ }
}
/* Free proxy texture objects */
for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++)
ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
-#if FEATURE_colortable
- {
- GLuint i;
- for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
- _mesa_free_colortable_data( &ctx->Texture.Unit[i].ColorTable );
- }
-#endif
+ for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++)
+ _mesa_free_colortable_data(&ctx->Texture.Unit[u].ColorTable);
}
@@ -844,17 +805,13 @@ _mesa_free_texture_data(GLcontext *ctx)
void
_mesa_update_default_objects_texture(GLcontext *ctx)
{
- GLuint i;
-
- for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
-
- _mesa_reference_texobj(&texUnit->Current1D, ctx->Shared->Default1D);
- _mesa_reference_texobj(&texUnit->Current2D, ctx->Shared->Default2D);
- _mesa_reference_texobj(&texUnit->Current3D, ctx->Shared->Default3D);
- _mesa_reference_texobj(&texUnit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
- _mesa_reference_texobj(&texUnit->CurrentRect, ctx->Shared->DefaultRect);
- _mesa_reference_texobj(&texUnit->Current1DArray, ctx->Shared->Default1DArray);
- _mesa_reference_texobj(&texUnit->Current2DArray, ctx->Shared->Default2DArray);
+ GLuint u, tex;
+
+ for (u = 0; u < MAX_TEXTURE_UNITS; u++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[u];
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&texUnit->CurrentTex[tex],
+ ctx->Shared->DefaultTex[tex]);
+ }
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-29 06:38:16 +0000