/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 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"),
#include "glheader.h"
#include "blend.h"
-#include "colormac.h"
#include "context.h"
#include "enums.h"
#include "macros.h"
* \param dfactor destination factor operator.
*
* \sa glBlendFunc, glBlendFuncSeparateEXT
- *
- * Swizzles the inputs and calls \c glBlendFuncSeparateEXT. This is done
- * using the \c CurrentDispatch table in the context, so this same function
- * can be used while compiling display lists. Therefore, there is no need
- * for the display list code to save and restore this function.
*/
void GLAPIENTRY
_mesa_BlendFunc( GLenum sfactor, GLenum dfactor )
{
- GET_CURRENT_CONTEXT(ctx);
-
- (*ctx->CurrentDispatch->BlendFuncSeparateEXT)( sfactor, dfactor,
- sfactor, dfactor );
+ _mesa_BlendFuncSeparateEXT(sfactor, dfactor, sfactor, dfactor);
}
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendFuncSeparate %s %s %s %s\n",
_mesa_lookup_enum_by_nr(sfactorRGB),
_mesa_lookup_enum_by_nr(dfactorRGB),
_mesa_validate_blend_equation( GLcontext *ctx,
GLenum mode, GLboolean is_separate )
{
- switch (mode) {
+ switch (mode) {
case GL_FUNC_ADD:
break;
case GL_MIN:
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquation %s\n",
_mesa_lookup_enum_by_nr(mode));
ctx->Color.BlendEquationRGB = mode;
ctx->Color.BlendEquationA = mode;
- /* This is needed to support 1.1's RGB logic ops AND
- * 1.0's blending logicops.
- */
- ctx->Color._LogicOpEnabled = (ctx->Color.ColorLogicOpEnabled ||
- (ctx->Color.BlendEnabled &&
- mode == GL_LOGIC_OP));
-
if (ctx->Driver.BlendEquationSeparate)
(*ctx->Driver.BlendEquationSeparate)( ctx, mode, mode );
}
+
void GLAPIENTRY
_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquationSeparateEXT %s %s\n",
_mesa_lookup_enum_by_nr(modeRGB),
_mesa_lookup_enum_by_nr(modeA));
ctx->Color.BlendEquationRGB = modeRGB;
ctx->Color.BlendEquationA = modeA;
- /* This is needed to support 1.1's RGB logic ops AND
- * 1.0's blending logicops. This test is simplified over glBlendEquation
- * because modeRGB cannot be GL_LOGIC_OP.
- */
- ctx->Color._LogicOpEnabled = (ctx->Color.ColorLogicOpEnabled);
-
if (ctx->Driver.BlendEquationSeparate)
(*ctx->Driver.BlendEquationSeparate)( ctx, modeRGB, modeA );
}
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.IndexMask = mask;
-
- if (ctx->Driver.IndexMask)
- ctx->Driver.IndexMask( ctx, mask );
}
#endif
{
GET_CURRENT_CONTEXT(ctx);
GLubyte tmp[4];
+ GLuint i;
+ GLboolean flushed;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
tmp[BCOMP] = blue ? 0xff : 0x0;
tmp[ACOMP] = alpha ? 0xff : 0x0;
- if (TEST_EQ_4UBV(tmp, ctx->Color.ColorMask))
+ flushed = GL_FALSE;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ if (!TEST_EQ_4V(tmp, ctx->Color.ColorMask[i])) {
+ if (!flushed) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ }
+ flushed = GL_TRUE;
+ COPY_4UBV(ctx->Color.ColorMask[i], tmp);
+ }
+ }
+
+ if (ctx->Driver.ColorMask)
+ ctx->Driver.ColorMask( ctx, red, green, blue, alpha );
+}
+
+
+/**
+ * For GL_EXT_draw_buffers2 and GL3
+ */
+void GLAPIENTRY
+_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
+ GLboolean blue, GLboolean alpha )
+{
+ GLubyte tmp[4];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glColorMaskIndexed %u %d %d %d %d\n",
+ buf, red, green, blue, alpha);
+
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorMaskIndexed(buf=%u)", buf);
+ return;
+ }
+
+ /* Shouldn't have any information about channel depth in core mesa
+ * -- should probably store these as the native booleans:
+ */
+ tmp[RCOMP] = red ? 0xff : 0x0;
+ tmp[GCOMP] = green ? 0xff : 0x0;
+ tmp[BCOMP] = blue ? 0xff : 0x0;
+ tmp[ACOMP] = alpha ? 0xff : 0x0;
+
+ if (TEST_EQ_4V(tmp, ctx->Color.ColorMask[buf]))
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
- COPY_4UBV(ctx->Color.ColorMask, tmp);
+ COPY_4UBV(ctx->Color.ColorMask[buf], tmp);
- if (ctx->Driver.ColorMask)
- ctx->Driver.ColorMask( ctx, red, green, blue, alpha );
+ if (ctx->Driver.ColorMaskIndexed)
+ ctx->Driver.ColorMaskIndexed(ctx, buf, red, green, blue, alpha);
+}
+
+
+extern void GLAPIENTRY
+_mesa_ClampColorARB(GLenum target, GLenum clamp)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (clamp != GL_TRUE && clamp != GL_FALSE && clamp != GL_FIXED_ONLY_ARB) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(clamp)");
+ return;
+ }
+
+ switch (target) {
+ case GL_CLAMP_VERTEX_COLOR_ARB:
+ ctx->Light.ClampVertexColor = clamp;
+ break;
+ case GL_CLAMP_FRAGMENT_COLOR_ARB:
+ ctx->Color.ClampFragmentColor = clamp;
+ break;
+ case GL_CLAMP_READ_COLOR_ARB:
+ ctx->Color.ClampReadColor = clamp;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(target)");
+ return;
+ }
}
+
+
+
/**********************************************************************/
/** \name Initialization */
/*@{*/
/**
- * Initialization of the context color data.
+ * Initialization of the context's Color attribute group.
*
* \param ctx GL context.
*
void _mesa_init_color( GLcontext * ctx )
{
/* Color buffer group */
- ctx->Color.IndexMask = 0xffffffff;
- ctx->Color.ColorMask[0] = 0xff;
- ctx->Color.ColorMask[1] = 0xff;
- ctx->Color.ColorMask[2] = 0xff;
- ctx->Color.ColorMask[3] = 0xff;
+ ctx->Color.IndexMask = ~0u;
+ memset(ctx->Color.ColorMask, 0xff, sizeof(ctx->Color.ColorMask));
ctx->Color.ClearIndex = 0;
ASSIGN_4V( ctx->Color.ClearColor, 0, 0, 0, 0 );
- ctx->Color.DrawBuffer = GL_FRONT;
ctx->Color.AlphaEnabled = GL_FALSE;
ctx->Color.AlphaFunc = GL_ALWAYS;
ctx->Color.AlphaRef = 0;
- ctx->Color.BlendEnabled = GL_FALSE;
+ ctx->Color.BlendEnabled = 0x0;
ctx->Color.BlendSrcRGB = GL_ONE;
ctx->Color.BlendDstRGB = GL_ZERO;
ctx->Color.BlendSrcA = GL_ONE;
ctx->Color.DitherFlag = GL_TRUE;
if (ctx->Visual.doubleBufferMode) {
- ctx->Color.DrawBuffer = GL_BACK;
- ctx->Color._DrawDestMask = BACK_LEFT_BIT;
+ ctx->Color.DrawBuffer[0] = GL_BACK;
}
else {
- ctx->Color.DrawBuffer = GL_FRONT;
- ctx->Color._DrawDestMask = FRONT_LEFT_BIT;
+ ctx->Color.DrawBuffer[0] = GL_FRONT;
}
+
+ ctx->Color.ClampFragmentColor = GL_FIXED_ONLY_ARB;
+ ctx->Color.ClampReadColor = GL_FIXED_ONLY_ARB;
}
/*@}*/
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