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path: root/src/mesa/swrast/s_context.c
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Diffstat (limited to 'src/mesa/swrast/s_context.c')
-rw-r--r--src/mesa/swrast/s_context.c100
1 files changed, 56 insertions, 44 deletions
diff --git a/src/mesa/swrast/s_context.c b/src/mesa/swrast/s_context.c
index 62857ddeb0..abf0008565 100644
--- a/src/mesa/swrast/s_context.c
+++ b/src/mesa/swrast/s_context.c
@@ -61,7 +61,7 @@ _swrast_update_rasterflags( GLcontext *ctx )
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;
@@ -172,19 +172,29 @@ _swrast_update_fog_hint( GLcontext *ctx )
/**
- * 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;
+ }
}
}
}
@@ -206,10 +216,13 @@ _swrast_update_deferred_texture(GLcontext *ctx)
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;
}
+ else if (fprog && fprog->UsesKill) {
+ swrast->_DeferredTexture = GL_FALSE;
+ }
else if (ctx->Query.CurrentOcclusionObject) {
/* occlusion query depends on shader discard/kill results */
swrast->_DeferredTexture = GL_FALSE;
@@ -254,19 +267,32 @@ _swrast_update_fragment_program(GLcontext *ctx, GLbitfield newState)
{
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_PROGRAM_CONSTANTS | \
_NEW_TEXTURE | \
_NEW_HINT | \
_NEW_POLYGON )
@@ -326,9 +352,7 @@ _swrast_validate_triangle( GLcontext *ctx,
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;
@@ -350,9 +374,7 @@ _swrast_validate_line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 )
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;
}
@@ -372,9 +394,7 @@ _swrast_validate_point( GLcontext *ctx, const SWvertex *v0 )
_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;
}
@@ -502,13 +522,6 @@ _swrast_invalidate_state( GLcontext *ctx, GLbitfield new_state )
new_state = ~0;
}
- {
- const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
- if (fp && (fp->Base.Parameters->StateFlags & new_state)) {
- _mesa_load_state_parameters(ctx, fp->Base.Parameters);
- }
- }
-
if (new_state & swrast->InvalidateTriangleMask)
swrast->Triangle = _swrast_validate_triangle;
@@ -533,6 +546,9 @@ _swrast_update_texture_samplers(GLcontext *ctx)
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
@@ -622,17 +638,7 @@ _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)) {
@@ -653,6 +659,12 @@ _swrast_validate_derived( GLcontext *ctx )
_NEW_TEXTURE))
_swrast_update_active_attribs(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->InvalidateState = _swrast_invalidate_state;
@@ -817,8 +829,8 @@ _swrast_CreateContext( GLcontext *ctx )
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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-29 05:33:15 +0000