_mesa_BlendEquation( GLenum mode );
+void GLAPIENTRY
+_mesa_BlendEquationiARB_no_error(GLuint buf, GLenum mode);
+
extern void GLAPIENTRY
_mesa_BlendEquationiARB(GLuint buf, GLenum mode);
+void GLAPIENTRY
+_mesa_BlendEquationSeparate_no_error(GLenum modeRGB, GLenum modeA);
+
extern void GLAPIENTRY
_mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );
_mesa_init_color( struct gl_context * ctx );
+static inline enum gl_advanced_blend_mode
+_mesa_get_advanced_blend_sh_constant(GLbitfield blend_enabled,
+ enum gl_advanced_blend_mode mode)
+{
+ return blend_enabled ? mode : BLEND_NONE;
+}
+
+static inline bool
+_mesa_advanded_blend_sh_constant_changed(struct gl_context *ctx,
+ GLbitfield new_blend_enabled,
+ enum gl_advanced_blend_mode new_mode)
+{
+ return _mesa_get_advanced_blend_sh_constant(new_blend_enabled, new_mode) !=
+ _mesa_get_advanced_blend_sh_constant(ctx->Color.BlendEnabled,
+ ctx->Color._AdvancedBlendMode);
+}
+
static inline void
_mesa_flush_vertices_for_blend_state(struct gl_context *ctx)
{
- /* The advanced blend mode needs _NEW_COLOR to update the state constant,
- * so we have to set it. This is inefficient.
- * This should only be done for states that affect the state constant.
- * It shouldn't be done for other blend states.
- */
- if (_mesa_has_KHR_blend_equation_advanced(ctx) ||
- !ctx->DriverFlags.NewBlend) {
+ if (!ctx->DriverFlags.NewBlend) {
FLUSH_VERTICES(ctx, _NEW_COLOR);
} else {
FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewBlend;
+ }
+}
+
+static inline void
+_mesa_flush_vertices_for_blend_adv(struct gl_context *ctx,
+ GLbitfield new_blend_enabled,
+ enum gl_advanced_blend_mode new_mode)
+{
+ /* The advanced blend mode needs _NEW_COLOR to update the state constant. */
+ if (_mesa_has_KHR_blend_equation_advanced(ctx) &&
+ _mesa_advanded_blend_sh_constant_changed(ctx, new_blend_enabled,
+ new_mode)) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewBlend;
+ return;
}
- ctx->NewDriverState |= ctx->DriverFlags.NewBlend;
+ _mesa_flush_vertices_for_blend_state(ctx);
+}
+
+static inline GLbitfield
+_mesa_replicate_colormask(GLbitfield mask0, unsigned num_buffers)
+{
+ GLbitfield mask = mask0;
+
+ for (unsigned i = 1; i < num_buffers; i++)
+ mask |= mask0 << (i * 4);
+ return mask;
}
#endif