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-rw-r--r--src/mesa/swrast_setup/ss_context.c13
-rw-r--r--src/mesa/swrast_setup/ss_context.h6
-rw-r--r--src/mesa/swrast_setup/ss_tritmp.h66
3 files changed, 62 insertions, 23 deletions
diff --git a/src/mesa/swrast_setup/ss_context.c b/src/mesa/swrast_setup/ss_context.c
index 9f83fde1f5..cd4ac57d37 100644
--- a/src/mesa/swrast_setup/ss_context.c
+++ b/src/mesa/swrast_setup/ss_context.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
@@ -123,12 +123,13 @@ setup_vertex_format(GLcontext *ctx)
EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, attrib[FRAG_ATTRIB_WPOS] );
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR0 )) {
- if (ctx->FragmentProgram._Current
- || ctx->ATIFragmentShader._Enabled
- || CHAN_TYPE == GL_FLOAT)
- EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F, attrib[FRAG_ATTRIB_COL0]);
- else
+ swsetup->intColors = !ctx->FragmentProgram._Current
+ && !ctx->ATIFragmentShader._Enabled
+ && CHAN_TYPE == GL_UNSIGNED_BYTE;
+ if (swsetup->intColors)
EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color );
+ else
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4F, attrib[FRAG_ATTRIB_COL0]);
}
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) {
diff --git a/src/mesa/swrast_setup/ss_context.h b/src/mesa/swrast_setup/ss_context.h
index e5d890447a..11f9ded3ff 100644
--- a/src/mesa/swrast_setup/ss_context.h
+++ b/src/mesa/swrast_setup/ss_context.h
@@ -1,9 +1,8 @@
-
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 7.1
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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"),
@@ -39,6 +38,7 @@ typedef struct {
GLenum render_prim;
DECLARE_RENDERINPUTS(last_index_bitset);
SWvertex *verts;
+ GLboolean intColors;
} SScontext;
#define SWSETUP_CONTEXT(ctx) ((SScontext *)ctx->swsetup_context)
diff --git a/src/mesa/swrast_setup/ss_tritmp.h b/src/mesa/swrast_setup/ss_tritmp.h
index 9fcde31644..c14468e951 100644
--- a/src/mesa/swrast_setup/ss_tritmp.h
+++ b/src/mesa/swrast_setup/ss_tritmp.h
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 7.1
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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"),
@@ -26,9 +26,14 @@
*/
+/**
+ * This is where we handle assigning vertex colors based on front/back
+ * facing, compute polygon offset and handle glPolygonMode().
+ */
static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
{
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ SScontext *swsetup = SWSETUP_CONTEXT(ctx);
SWvertex *verts = SWSETUP_CONTEXT(ctx)->verts;
SWvertex *v[3];
GLfloat z[3];
@@ -36,6 +41,7 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
GLenum mode = GL_FILL;
GLuint facing = 0;
GLchan saved_color[3][4];
+ GLfloat saved_col0[3][4];
GLfloat saved_spec[3][4];
GLfloat saved_index[3];
@@ -66,19 +72,41 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
if (VB->ColorPtr[1]) {
GLfloat (*vbcolor)[4] = VB->ColorPtr[1]->data;
- COPY_CHAN4(saved_color[0], v[0]->color);
- COPY_CHAN4(saved_color[1], v[1]->color);
- COPY_CHAN4(saved_color[2], v[2]->color);
+ if (swsetup->intColors) {
+ COPY_CHAN4(saved_color[0], v[0]->color);
+ COPY_CHAN4(saved_color[1], v[1]->color);
+ COPY_CHAN4(saved_color[2], v[2]->color);
+ }
+ else {
+ COPY_4V(saved_col0[0], v[0]->attrib[FRAG_ATTRIB_COL0]);
+ COPY_4V(saved_col0[1], v[1]->attrib[FRAG_ATTRIB_COL0]);
+ COPY_4V(saved_col0[2], v[2]->attrib[FRAG_ATTRIB_COL0]);
+ }
if (VB->ColorPtr[1]->stride) {
- SS_COLOR(v[0]->color, vbcolor[e0]);
- SS_COLOR(v[1]->color, vbcolor[e1]);
- SS_COLOR(v[2]->color, vbcolor[e2]);
+ if (swsetup->intColors) {
+ SS_COLOR(v[0]->color, vbcolor[e0]);
+ SS_COLOR(v[1]->color, vbcolor[e1]);
+ SS_COLOR(v[2]->color, vbcolor[e2]);
+ }
+ else {
+ COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[e0]);
+ COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[e1]);
+ COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[e2]);
+ }
}
else {
- SS_COLOR(v[0]->color, vbcolor[0]);
- SS_COLOR(v[1]->color, vbcolor[0]);
- SS_COLOR(v[2]->color, vbcolor[0]);
+ /* flat shade */
+ if (swsetup->intColors) {
+ SS_COLOR(v[0]->color, vbcolor[0]);
+ SS_COLOR(v[1]->color, vbcolor[0]);
+ SS_COLOR(v[2]->color, vbcolor[0]);
+ }
+ else {
+ COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]);
+ COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]);
+ COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], vbcolor[0]);
+ }
}
}
@@ -160,6 +188,9 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
_swrast_Triangle( ctx, v[0], v[1], v[2] );
}
+ /*
+ * Restore original vertex colors, etc.
+ */
if (IND & SS_OFFSET_BIT) {
v[0]->attrib[FRAG_ATTRIB_WPOS][2] = z[0];
v[1]->attrib[FRAG_ATTRIB_WPOS][2] = z[1];
@@ -170,9 +201,16 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
if (facing == 1) {
if (IND & SS_RGBA_BIT) {
if (VB->ColorPtr[1]) {
- COPY_CHAN4(v[0]->color, saved_color[0]);
- COPY_CHAN4(v[1]->color, saved_color[1]);
- COPY_CHAN4(v[2]->color, saved_color[2]);
+ if (swsetup->intColors) {
+ COPY_CHAN4(v[0]->color, saved_color[0]);
+ COPY_CHAN4(v[1]->color, saved_color[1]);
+ COPY_CHAN4(v[2]->color, saved_color[2]);
+ }
+ else {
+ COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL0], saved_col0[0]);
+ COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL0], saved_col0[1]);
+ COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL0], saved_col0[2]);
+ }
}
if (VB->SecondaryColorPtr[1]) {
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-30 00:01:53 +0000