case GL_DST_ALPHA:
case GL_ONE_MINUS_DST_ALPHA:
case GL_SRC_ALPHA_SATURATE:
+ return GL_TRUE;
case GL_CONSTANT_COLOR:
case GL_ONE_MINUS_CONSTANT_COLOR:
case GL_CONSTANT_ALPHA:
case GL_ONE_MINUS_CONSTANT_ALPHA:
- return GL_TRUE;
+ return _mesa_is_desktop_gl(ctx) || ctx->API == API_OPENGLES2;
+ case GL_SRC1_COLOR:
+ case GL_SRC1_ALPHA:
+ case GL_ONE_MINUS_SRC1_COLOR:
+ case GL_ONE_MINUS_SRC1_ALPHA:
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_blend_func_extended;
default:
return GL_FALSE;
}
case GL_ONE_MINUS_SRC_ALPHA:
case GL_DST_ALPHA:
case GL_ONE_MINUS_DST_ALPHA:
+ return GL_TRUE;
case GL_CONSTANT_COLOR:
case GL_ONE_MINUS_CONSTANT_COLOR:
case GL_CONSTANT_ALPHA:
case GL_ONE_MINUS_CONSTANT_ALPHA:
- return GL_TRUE;
+ return _mesa_is_desktop_gl(ctx) || ctx->API == API_OPENGLES2;
+ case GL_SRC_ALPHA_SATURATE:
+ return (_mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_blend_func_extended)
+ || _mesa_is_gles3(ctx);
+ case GL_SRC1_COLOR:
+ case GL_SRC1_ALPHA:
+ case GL_ONE_MINUS_SRC1_COLOR:
+ case GL_ONE_MINUS_SRC1_ALPHA:
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_blend_func_extended;
default:
return GL_FALSE;
}
_mesa_BlendFuncSeparateEXT(sfactor, dfactor, sfactor, dfactor);
}
+static GLboolean
+blend_factor_is_dual_src(GLenum factor)
+{
+ return (factor == GL_SRC1_COLOR ||
+ factor == GL_SRC1_ALPHA ||
+ factor == GL_ONE_MINUS_SRC1_COLOR ||
+ factor == GL_ONE_MINUS_SRC1_ALPHA);
+}
+
+static void
+update_uses_dual_src(struct gl_context *ctx, int buf)
+{
+ ctx->Color.Blend[buf]._UsesDualSrc =
+ (blend_factor_is_dual_src(ctx->Color.Blend[buf].SrcRGB) ||
+ blend_factor_is_dual_src(ctx->Color.Blend[buf].DstRGB) ||
+ blend_factor_is_dual_src(ctx->Color.Blend[buf].SrcA) ||
+ blend_factor_is_dual_src(ctx->Color.Blend[buf].DstA));
+}
/**
* Set the separate blend source/dest factors for all draw buffers.
ctx->Color.Blend[buf].DstRGB = dfactorRGB;
ctx->Color.Blend[buf].SrcA = sfactorA;
ctx->Color.Blend[buf].DstA = dfactorA;
+ update_uses_dual_src(ctx, buf);
}
ctx->Color._BlendFuncPerBuffer = GL_FALSE;
}
-#if _HAVE_FULL_GL
-
-
/**
* Set blend source/dest factors for one color buffer/target.
*/
ctx->Color.Blend[buf].DstRGB = dfactorRGB;
ctx->Color.Blend[buf].SrcA = sfactorA;
ctx->Color.Blend[buf].DstA = dfactorA;
+ update_uses_dual_src(ctx, buf);
ctx->Color._BlendFuncPerBuffer = GL_TRUE;
if (ctx->Driver.BlendFuncSeparatei) {
* \return GL_TRUE if legal, GL_FALSE otherwise.
*/
static GLboolean
-legal_blend_equation(const struct gl_context *ctx,
- GLenum mode, GLboolean is_separate)
+legal_blend_equation(const struct gl_context *ctx, GLenum mode)
{
switch (mode) {
case GL_FUNC_ADD:
+ case GL_FUNC_SUBTRACT:
+ case GL_FUNC_REVERSE_SUBTRACT:
return GL_TRUE;
case GL_MIN:
case GL_MAX:
return ctx->Extensions.EXT_blend_minmax;
- case GL_LOGIC_OP:
- /* glBlendEquationSeparate cannot take GL_LOGIC_OP as a parameter.
- */
- return ctx->Extensions.EXT_blend_logic_op && !is_separate;
- case GL_FUNC_SUBTRACT:
- case GL_FUNC_REVERSE_SUBTRACT:
- return ctx->Extensions.EXT_blend_subtract;
default:
return GL_FALSE;
}
_mesa_debug(ctx, "glBlendEquation(%s)\n",
_mesa_lookup_enum_by_nr(mode));
- if (!legal_blend_equation(ctx, mode, GL_FALSE)) {
+ if (!legal_blend_equation(ctx, mode)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
return;
}
return;
}
- if (!legal_blend_equation(ctx, mode, GL_FALSE)) {
+ if (!legal_blend_equation(ctx, mode)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationi");
return;
}
return;
}
- if (!legal_blend_equation(ctx, modeRGB, GL_TRUE)) {
+ if (!legal_blend_equation(ctx, modeRGB)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeRGB)");
return;
}
- if (!legal_blend_equation(ctx, modeA, GL_TRUE)) {
+ if (!legal_blend_equation(ctx, modeA)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeA)");
return;
}
return;
}
- if (!legal_blend_equation(ctx, modeRGB, GL_TRUE)) {
+ if (!legal_blend_equation(ctx, modeRGB)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeRGB)");
return;
}
- if (!legal_blend_equation(ctx, modeA, GL_TRUE)) {
+ if (!legal_blend_equation(ctx, modeA)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeA)");
return;
}
}
-
-#endif /* _HAVE_FULL_GL */
-
-
/**
* Set the blending color.
*
ctx->Driver.LogicOpcode( ctx, opcode );
}
-#if _HAVE_FULL_GL
+
void GLAPIENTRY
_mesa_IndexMask( GLuint mask )
{
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.IndexMask = mask;
}
-#endif
/**
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 );
- ASSIGN_4V( ctx->Color.ClearColorUnclamped, 0, 0, 0, 0 );
+ ASSIGN_4V( ctx->Color.ClearColor.f, 0, 0, 0, 0 );
ctx->Color.AlphaEnabled = GL_FALSE;
ctx->Color.AlphaFunc = GL_ALWAYS;
ctx->Color.AlphaRef = 0;
ASSIGN_4V( ctx->Color.BlendColorUnclamped, 0.0, 0.0, 0.0, 0.0 );
ctx->Color.IndexLogicOpEnabled = GL_FALSE;
ctx->Color.ColorLogicOpEnabled = GL_FALSE;
- ctx->Color._LogicOpEnabled = GL_FALSE;
ctx->Color.LogicOp = GL_COPY;
ctx->Color.DitherFlag = GL_TRUE;
ctx->Color._ClampFragmentColor = GL_TRUE;
ctx->Color.ClampReadColor = GL_FIXED_ONLY_ARB;
ctx->Color._ClampReadColor = GL_TRUE;
+
+ if (ctx->API == API_OPENGLES2) {
+ /* GLES 3 behaves as though GL_FRAMEBUFFER_SRGB is always enabled. */
+ ctx->Color.sRGBEnabled = GL_TRUE;
+ } else {
+ ctx->Color.sRGBEnabled = GL_FALSE;
+ }
}
/*@}*/