* Mesa 3-D graphics library
* Version: 7.1
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* Brian Paul
*/
-#include "imports.h"
-#include "bufferobj.h"
-#include "context.h"
-#include "colormac.h"
-#include "mtypes.h"
-#include "teximage.h"
-#include "swrast.h"
+#include "main/imports.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/colormac.h"
+#include "main/mtypes.h"
+#include "main/teximage.h"
+#include "shader/prog_parameter.h"
#include "shader/prog_statevars.h"
+#include "swrast.h"
#include "s_blend.h"
#include "s_context.h"
#include "s_lines.h"
if (ctx->Depth.Test) rasterMask |= DEPTH_BIT;
if (swrast->_FogEnabled) rasterMask |= FOG_BIT;
if (ctx->Scissor.Enabled) rasterMask |= CLIP_BIT;
- if (ctx->Stencil.Enabled) rasterMask |= STENCIL_BIT;
+ if (ctx->Stencil._Enabled) rasterMask |= STENCIL_BIT;
if (ctx->Visual.rgbMode) {
const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask);
if (colorMask != 0xffffffff) rasterMask |= MASKING_BIT;
* MULTI_DRAW_BIT flag. Also set it if we're drawing to no
* buffers or the RGBA or CI mask disables all writes.
*/
- if (ctx->DrawBuffer->_NumColorDrawBuffers[0] != 1) {
+ if (ctx->DrawBuffer->_NumColorDrawBuffers != 1) {
/* more than one color buffer designated for writing (or zero buffers) */
rasterMask |= MULTI_DRAW_BIT;
}
/**
- * Examine polycon culls tate to compute the _BackfaceCullSign field.
+ * Examine polygon cull state to compute the _BackfaceCullSign field.
* _BackfaceCullSign will be 0 if no culling, -1 if culling back-faces,
* and 1 if culling front-faces. The Polygon FrontFace state also
* factors in.
GLfloat backface_sign;
if (ctx->Polygon.CullFlag) {
- backface_sign = 1.0;
switch (ctx->Polygon.CullFaceMode) {
case GL_BACK:
- if (ctx->Polygon.FrontFace == GL_CCW)
- backface_sign = -1.0;
+ backface_sign = -1.0;
break;
case GL_FRONT:
- if (ctx->Polygon.FrontFace != GL_CCW)
- backface_sign = -1.0;
+ backface_sign = 1.0;
break;
case GL_FRONT_AND_BACK:
/* fallthrough */
default:
backface_sign = 0.0;
- break;
}
}
else {
/**
- * Update the swrast->_AnyTextureCombine flag.
+ * Update the swrast->_TextureCombinePrimary flag.
*/
static void
_swrast_update_texture_env( GLcontext *ctx )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLuint i;
- swrast->_AnyTextureCombine = GL_FALSE;
+
+ swrast->_TextureCombinePrimary = GL_FALSE;
+
for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
- if (ctx->Texture.Unit[i].EnvMode == GL_COMBINE_EXT ||
- ctx->Texture.Unit[i].EnvMode == GL_COMBINE4_NV) {
- swrast->_AnyTextureCombine = GL_TRUE;
- return;
+ const struct gl_tex_env_combine_state *combine =
+ ctx->Texture.Unit[i]._CurrentCombine;
+ GLuint term;
+ for (term = 0; term < combine->_NumArgsRGB; term++) {
+ if (combine->SourceRGB[term] == GL_PRIMARY_COLOR) {
+ swrast->_TextureCombinePrimary = GL_TRUE;
+ return;
+ }
+ if (combine->SourceA[term] == GL_PRIMARY_COLOR) {
+ swrast->_TextureCombinePrimary = GL_TRUE;
+ return;
+ }
}
}
}
else {
const struct gl_fragment_program *fprog
= ctx->FragmentProgram._Current;
- if (fprog && (fprog->Base.OutputsWritten & (1 << FRAG_RESULT_DEPR))) {
+ if (fprog && (fprog->Base.OutputsWritten & (1 << FRAG_RESULT_DEPTH))) {
/* Z comes from fragment program/shader */
swrast->_DeferredTexture = GL_FALSE;
}
{
const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
if (fp) {
-#if 0
- /* XXX Need a way to trigger the initial loading of parameters
- * even when there's no recent state changes.
- */
- if (fp->Base.Parameters->StateFlags & newState)
-#endif
- _mesa_load_state_parameters(ctx, fp->Base.Parameters);
+ _mesa_load_state_parameters(ctx, fp->Base.Parameters);
}
}
+/**
+ * See if we can do early diffuse+specular (primary+secondary) color
+ * add per vertex instead of per-fragment.
+ */
+static void
+_swrast_update_specular_vertex_add(GLcontext *ctx)
+{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ GLboolean separateSpecular = ctx->Fog.ColorSumEnabled ||
+ (ctx->Light.Enabled &&
+ ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR);
+
+ swrast->SpecularVertexAdd = (separateSpecular
+ && ctx->Texture._EnabledUnits == 0x0
+ && !ctx->FragmentProgram._Current
+ && !ctx->ATIFragmentShader._Enabled);
+}
+
#define _SWRAST_NEW_DERIVED (_SWRAST_NEW_RASTERMASK | \
_NEW_TEXTURE | \
swrast->choose_triangle( ctx );
ASSERT(swrast->Triangle);
- if (ctx->Texture._EnabledUnits == 0
- && NEED_SECONDARY_COLOR(ctx)
- && !ctx->FragmentProgram._Current) {
+ if (swrast->SpecularVertexAdd) {
/* separate specular color, but no texture */
swrast->SpecTriangle = swrast->Triangle;
swrast->Triangle = _swrast_add_spec_terms_triangle;
swrast->choose_line( ctx );
ASSERT(swrast->Line);
- if (ctx->Texture._EnabledUnits == 0
- && NEED_SECONDARY_COLOR(ctx)
- && !ctx->FragmentProgram._Current) {
+ if (swrast->SpecularVertexAdd) {
swrast->SpecLine = swrast->Line;
swrast->Line = _swrast_add_spec_terms_line;
}
_swrast_validate_derived( ctx );
swrast->choose_point( ctx );
- if (ctx->Texture._EnabledUnits == 0
- && NEED_SECONDARY_COLOR(ctx)
- && !ctx->FragmentProgram._Current) {
+ if (swrast->SpecularVertexAdd) {
swrast->SpecPoint = swrast->Point;
swrast->Point = _swrast_add_spec_terms_point;
}
SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLuint u;
+ if (!swrast)
+ return; /* pipe hack */
+
for (u = 0; u < ctx->Const.MaxTextureImageUnits; u++) {
const struct gl_texture_object *tObj = ctx->Texture.Unit[u]._Current;
/* Note: If tObj is NULL, the sample function will be a simple
}
-/**
- * Update the swrast->_ColorOutputsMask which indicates which color
- * renderbuffers (aka rendertargets) are being written to by the current
- * fragment program.
- * We also take glDrawBuffers() into account to skip outputs that are
- * set to GL_NONE.
- */
-static void
-_swrast_update_color_outputs(GLcontext *ctx)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const struct gl_framebuffer *fb = ctx->DrawBuffer;
-
- swrast->_ColorOutputsMask = 0;
- swrast->_NumColorOutputs = 0;
-
- if (ctx->FragmentProgram._Current) {
- const GLbitfield outputsWritten
- = ctx->FragmentProgram._Current->Base.OutputsWritten;
- GLuint output;
- for (output = 0; output < ctx->Const.MaxDrawBuffers; output++) {
- if ((outputsWritten & (1 << (FRAG_RESULT_DATA0 + output)))
- && (fb->_NumColorDrawBuffers[output] > 0)) {
- swrast->_ColorOutputsMask |= (1 << output);
- swrast->_NumColorOutputs = output + 1;
- }
- }
- }
- if (swrast->_ColorOutputsMask == 0x0) {
- /* no fragment program, or frag prog didn't write to gl_FragData[] */
- if (fb->_NumColorDrawBuffers[0] > 0) {
- swrast->_ColorOutputsMask = 0x1;
- swrast->_NumColorOutputs = 1;
- }
- }
-}
-
-
void
_swrast_validate_derived( GLcontext *ctx )
{
if (swrast->NewState & (_NEW_FOG | _NEW_PROGRAM))
_swrast_update_fog_state( ctx );
- if (swrast->NewState & (_NEW_MODELVIEW |
- _NEW_PROJECTION |
- _NEW_TEXTURE_MATRIX |
- _NEW_FOG |
- _NEW_LIGHT |
- _NEW_LINE |
- _NEW_TEXTURE |
- _NEW_TRANSFORM |
- _NEW_POINT |
- _NEW_VIEWPORT |
- _NEW_PROGRAM))
+ if (swrast->NewState & (_NEW_PROGRAM_CONSTANTS | _NEW_PROGRAM))
_swrast_update_fragment_program( ctx, swrast->NewState );
if (swrast->NewState & (_NEW_TEXTURE | _NEW_PROGRAM)) {
_NEW_TEXTURE))
_swrast_update_active_attribs(ctx);
- if (swrast->NewState & (_NEW_PROGRAM | _NEW_BUFFERS))
- _swrast_update_color_outputs(ctx);
+ if (swrast->NewState & (_NEW_FOG |
+ _NEW_PROGRAM |
+ _NEW_LIGHT |
+ _NEW_TEXTURE))
+ _swrast_update_specular_vertex_add(ctx);
swrast->NewState = 0;
swrast->StateChanges = 0;
swrast->PointSpan.facing = 0;
swrast->PointSpan.array = swrast->SpanArrays;
- swrast->TexelBuffer = (GLchan *) MALLOC(ctx->Const.MaxTextureImageUnits *
- MAX_WIDTH * 4 * sizeof(GLchan));
+ swrast->TexelBuffer = (GLfloat *) MALLOC(ctx->Const.MaxTextureImageUnits *
+ MAX_WIDTH * 4 * sizeof(GLfloat));
if (!swrast->TexelBuffer) {
FREE(swrast->SpanArrays);
FREE(swrast);
}
FREE( swrast->SpanArrays );
+ if (swrast->ZoomedArrays)
+ FREE( swrast->ZoomedArrays );
FREE( swrast->TexelBuffer );
FREE( swrast );
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