#include "enums.h"
#include "macros.h"
#include "mtypes.h"
+#include "state.h"
case GL_SRC1_ALPHA:
case GL_ONE_MINUS_SRC1_COLOR:
case GL_ONE_MINUS_SRC1_ALPHA:
- return _mesa_is_desktop_gl(ctx)
+ return ctx->API != API_OPENGLES
&& ctx->Extensions.ARB_blend_func_extended;
default:
return GL_FALSE;
case GL_ONE_MINUS_CONSTANT_ALPHA:
return _mesa_is_desktop_gl(ctx) || ctx->API == API_OPENGLES2;
case GL_SRC_ALPHA_SATURATE:
- return (_mesa_is_desktop_gl(ctx)
+ return (ctx->API != API_OPENGLES
&& 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)
+ return ctx->API != API_OPENGLES
&& ctx->Extensions.ARB_blend_func_extended;
default:
return GL_FALSE;
if (!legal_src_factor(ctx, sfactorRGB)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(sfactorRGB = %s)", func,
- _mesa_lookup_enum_by_nr(sfactorRGB));
+ _mesa_enum_to_string(sfactorRGB));
return GL_FALSE;
}
if (!legal_dst_factor(ctx, dfactorRGB)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(dfactorRGB = %s)", func,
- _mesa_lookup_enum_by_nr(dfactorRGB));
+ _mesa_enum_to_string(dfactorRGB));
return GL_FALSE;
}
if (sfactorA != sfactorRGB && !legal_src_factor(ctx, sfactorA)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(sfactorA = %s)", func,
- _mesa_lookup_enum_by_nr(sfactorA));
+ _mesa_enum_to_string(sfactorA));
return GL_FALSE;
}
if (dfactorA != dfactorRGB && !legal_dst_factor(ctx, dfactorA)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(dfactorA = %s)", func,
- _mesa_lookup_enum_by_nr(dfactorA));
+ _mesa_enum_to_string(dfactorA));
return GL_FALSE;
}
}
-/**
- * Specify the blending operation.
- *
- * \param sfactor source factor operator.
- * \param dfactor destination factor operator.
- *
- * \sa glBlendFunc, glBlendFuncSeparateEXT
- */
-void GLAPIENTRY
-_mesa_BlendFunc( GLenum sfactor, GLenum dfactor )
-{
- _mesa_BlendFuncSeparate(sfactor, dfactor, sfactor, dfactor);
-}
-
static GLboolean
blend_factor_is_dual_src(GLenum factor)
{
blend_factor_is_dual_src(ctx->Color.Blend[buf].DstA));
}
+
+/**
+ * Return the number of per-buffer blend states to update in
+ * glBlendFunc, glBlendFuncSeparate, glBlendEquation, etc.
+ */
+static inline unsigned
+num_buffers(const struct gl_context *ctx)
+{
+ return ctx->Extensions.ARB_draw_buffers_blend
+ ? ctx->Const.MaxDrawBuffers : 1;
+}
+
+
+/* Returns true if there was no change */
+static bool
+skip_blend_state_update(const struct gl_context *ctx,
+ GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA)
+{
+ /* Check if we're really changing any state. If not, return early. */
+ if (ctx->Color._BlendFuncPerBuffer) {
+ const unsigned numBuffers = num_buffers(ctx);
+
+ /* Check all per-buffer states */
+ for (unsigned buf = 0; buf < numBuffers; buf++) {
+ if (ctx->Color.Blend[buf].SrcRGB != sfactorRGB ||
+ ctx->Color.Blend[buf].DstRGB != dfactorRGB ||
+ ctx->Color.Blend[buf].SrcA != sfactorA ||
+ ctx->Color.Blend[buf].DstA != dfactorA) {
+ return false;
+ }
+ }
+ }
+ else {
+ /* only need to check 0th per-buffer state */
+ if (ctx->Color.Blend[0].SrcRGB != sfactorRGB ||
+ ctx->Color.Blend[0].DstRGB != dfactorRGB ||
+ ctx->Color.Blend[0].SrcA != sfactorA ||
+ ctx->Color.Blend[0].DstA != dfactorA) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+
+static void
+blend_func_separate(struct gl_context *ctx,
+ GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA)
+{
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewBlend ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewBlend;
+
+ const unsigned numBuffers = num_buffers(ctx);
+ for (unsigned buf = 0; buf < numBuffers; buf++) {
+ ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
+ ctx->Color.Blend[buf].DstRGB = dfactorRGB;
+ ctx->Color.Blend[buf].SrcA = sfactorA;
+ ctx->Color.Blend[buf].DstA = dfactorA;
+ }
+
+ update_uses_dual_src(ctx, 0);
+ for (unsigned buf = 1; buf < numBuffers; buf++) {
+ ctx->Color.Blend[buf]._UsesDualSrc = ctx->Color.Blend[0]._UsesDualSrc;
+ }
+
+ ctx->Color._BlendFuncPerBuffer = GL_FALSE;
+
+ if (ctx->Driver.BlendFuncSeparate) {
+ ctx->Driver.BlendFuncSeparate(ctx, sfactorRGB, dfactorRGB,
+ sfactorA, dfactorA);
+ }
+}
+
+
+/**
+ * Specify the blending operation.
+ *
+ * \param sfactor source factor operator.
+ * \param dfactor destination factor operator.
+ *
+ * \sa glBlendFunc, glBlendFuncSeparateEXT
+ */
+void GLAPIENTRY
+_mesa_BlendFunc( GLenum sfactor, GLenum dfactor )
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (skip_blend_state_update(ctx, sfactor, dfactor, sfactor, dfactor))
+ return;
+
+ if (!validate_blend_factors(ctx, "glBlendFunc",
+ sfactor, dfactor, sfactor, dfactor)) {
+ return;
+ }
+
+ blend_func_separate(ctx, sfactor, dfactor, sfactor, dfactor);
+}
+
+
+void GLAPIENTRY
+_mesa_BlendFunc_no_error(GLenum sfactor, GLenum dfactor)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (skip_blend_state_update(ctx, sfactor, dfactor, sfactor, dfactor))
+ return;
+
+ blend_func_separate(ctx, sfactor, dfactor, sfactor, dfactor);
+}
+
+
/**
* Set the separate blend source/dest factors for all draw buffers.
*
_mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
GLenum sfactorA, GLenum dfactorA )
{
- GLuint buf, numBuffers;
- GLboolean changed;
GET_CURRENT_CONTEXT(ctx);
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_lookup_enum_by_nr(sfactorA),
- _mesa_lookup_enum_by_nr(dfactorA));
+ _mesa_enum_to_string(sfactorRGB),
+ _mesa_enum_to_string(dfactorRGB),
+ _mesa_enum_to_string(sfactorA),
+ _mesa_enum_to_string(dfactorA));
+
+
+
+ if (skip_blend_state_update(ctx, sfactorRGB, dfactorRGB, sfactorA, dfactorA))
+ return;
if (!validate_blend_factors(ctx, "glBlendFuncSeparate",
sfactorRGB, dfactorRGB,
return;
}
- numBuffers = ctx->Extensions.ARB_draw_buffers_blend
- ? ctx->Const.MaxDrawBuffers : 1;
+ blend_func_separate(ctx, sfactorRGB, dfactorRGB, sfactorA, dfactorA);
+}
- changed = GL_FALSE;
- for (buf = 0; buf < numBuffers; buf++) {
- if (ctx->Color.Blend[buf].SrcRGB != sfactorRGB ||
- ctx->Color.Blend[buf].DstRGB != dfactorRGB ||
- ctx->Color.Blend[buf].SrcA != sfactorA ||
- ctx->Color.Blend[buf].DstA != dfactorA) {
- changed = GL_TRUE;
- break;
- }
- }
- if (!changed)
+
+void GLAPIENTRY
+_mesa_BlendFuncSeparate_no_error(GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (skip_blend_state_update(ctx, sfactorRGB, dfactorRGB, sfactorA, dfactorA))
return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ blend_func_separate(ctx, sfactorRGB, dfactorRGB, sfactorA, dfactorA);
+}
- for (buf = 0; buf < numBuffers; buf++) {
- ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
- 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 (ctx->Driver.BlendFuncSeparate) {
- ctx->Driver.BlendFuncSeparate(ctx, sfactorRGB, dfactorRGB,
- sfactorA, dfactorA);
- }
+void GLAPIENTRY
+_mesa_BlendFunciARB_no_error(GLuint buf, GLenum sfactor, GLenum dfactor)
+{
+ _mesa_BlendFuncSeparateiARB_no_error(buf, sfactor, dfactor, sfactor,
+ dfactor);
}
}
-/**
- * Set separate blend source/dest factors for one color buffer/target.
- */
-void GLAPIENTRY
-_mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA)
+static ALWAYS_INLINE void
+blend_func_separatei(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA, bool no_error)
{
GET_CURRENT_CONTEXT(ctx);
- if (!ctx->Extensions.ARB_draw_buffers_blend) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlendFunc[Separate]i()");
- return;
- }
-
- if (buf >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
- buf);
- return;
- }
+ if (!no_error) {
+ if (!ctx->Extensions.ARB_draw_buffers_blend) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBlendFunc[Separate]i()");
+ return;
+ }
- if (!validate_blend_factors(ctx, "glBlendFuncSeparatei",
- sfactorRGB, dfactorRGB,
- sfactorA, dfactorA)) {
- return;
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
+ buf);
+ return;
+ }
}
if (ctx->Color.Blend[buf].SrcRGB == sfactorRGB &&
ctx->Color.Blend[buf].DstA == dfactorA)
return; /* no change */
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ if (!no_error && !validate_blend_factors(ctx, "glBlendFuncSeparatei",
+ sfactorRGB, dfactorRGB,
+ sfactorA, dfactorA)) {
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewBlend ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewBlend;
ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
ctx->Color.Blend[buf].DstRGB = dfactorRGB;
ctx->Color.Blend[buf].DstA = dfactorA;
update_uses_dual_src(ctx, buf);
ctx->Color._BlendFuncPerBuffer = GL_TRUE;
+}
- if (ctx->Driver.BlendFuncSeparatei) {
- ctx->Driver.BlendFuncSeparatei(ctx, buf, sfactorRGB, dfactorRGB,
- sfactorA, dfactorA);
- }
+
+void GLAPIENTRY
+_mesa_BlendFuncSeparateiARB_no_error(GLuint buf, GLenum sfactorRGB,
+ GLenum dfactorRGB, GLenum sfactorA,
+ GLenum dfactorA)
+{
+ blend_func_separatei(buf, sfactorRGB, dfactorRGB, sfactorA, dfactorA,
+ true);
}
/**
- * Check if given blend equation is legal.
- * \return GL_TRUE if legal, GL_FALSE otherwise.
+ * Set separate blend source/dest factors for one color buffer/target.
*/
-static GLboolean
-legal_blend_equation(const struct gl_context *ctx, GLenum mode)
+void GLAPIENTRY
+_mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA)
+{
+ blend_func_separatei(buf, sfactorRGB, dfactorRGB, sfactorA, dfactorA,
+ false);
+}
+
+
+/**
+ * Return true if \p mode is a legal blending equation, excluding
+ * GL_KHR_blend_equation_advanced modes.
+ */
+static bool
+legal_simple_blend_equation(const struct gl_context *ctx, GLenum mode)
{
switch (mode) {
case GL_FUNC_ADD:
}
}
+static enum gl_advanced_blend_mode
+advanced_blend_mode_from_gl_enum(GLenum mode)
+{
+ switch (mode) {
+ case GL_MULTIPLY_KHR:
+ return BLEND_MULTIPLY;
+ case GL_SCREEN_KHR:
+ return BLEND_SCREEN;
+ case GL_OVERLAY_KHR:
+ return BLEND_OVERLAY;
+ case GL_DARKEN_KHR:
+ return BLEND_DARKEN;
+ case GL_LIGHTEN_KHR:
+ return BLEND_LIGHTEN;
+ case GL_COLORDODGE_KHR:
+ return BLEND_COLORDODGE;
+ case GL_COLORBURN_KHR:
+ return BLEND_COLORBURN;
+ case GL_HARDLIGHT_KHR:
+ return BLEND_HARDLIGHT;
+ case GL_SOFTLIGHT_KHR:
+ return BLEND_SOFTLIGHT;
+ case GL_DIFFERENCE_KHR:
+ return BLEND_DIFFERENCE;
+ case GL_EXCLUSION_KHR:
+ return BLEND_EXCLUSION;
+ case GL_HSL_HUE_KHR:
+ return BLEND_HSL_HUE;
+ case GL_HSL_SATURATION_KHR:
+ return BLEND_HSL_SATURATION;
+ case GL_HSL_COLOR_KHR:
+ return BLEND_HSL_COLOR;
+ case GL_HSL_LUMINOSITY_KHR:
+ return BLEND_HSL_LUMINOSITY;
+ default:
+ return BLEND_NONE;
+ }
+}
+
+/**
+ * If \p mode is one of the advanced blending equations defined by
+ * GL_KHR_blend_equation_advanced (and the extension is supported),
+ * return the corresponding BLEND_* enum. Otherwise, return BLEND_NONE
+ * (which can also be treated as false).
+ */
+static enum gl_advanced_blend_mode
+advanced_blend_mode(const struct gl_context *ctx, GLenum mode)
+{
+ return _mesa_has_KHR_blend_equation_advanced(ctx) ?
+ advanced_blend_mode_from_gl_enum(mode) : BLEND_NONE;
+}
/* This is really an extension function! */
void GLAPIENTRY
_mesa_BlendEquation( GLenum mode )
{
- GLuint buf, numBuffers;
- GLboolean changed;
GET_CURRENT_CONTEXT(ctx);
+ const unsigned numBuffers = num_buffers(ctx);
+ unsigned buf;
+ bool changed = false;
+ enum gl_advanced_blend_mode advanced_mode = advanced_blend_mode(ctx, mode);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquation(%s)\n",
- _mesa_lookup_enum_by_nr(mode));
-
- if (!legal_blend_equation(ctx, mode)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
- return;
+ _mesa_enum_to_string(mode));
+
+ if (ctx->Color._BlendEquationPerBuffer) {
+ /* Check all per-buffer states */
+ for (buf = 0; buf < numBuffers; buf++) {
+ if (ctx->Color.Blend[buf].EquationRGB != mode ||
+ ctx->Color.Blend[buf].EquationA != mode) {
+ changed = true;
+ break;
+ }
+ }
}
-
- numBuffers = ctx->Extensions.ARB_draw_buffers_blend
- ? ctx->Const.MaxDrawBuffers : 1;
-
- changed = GL_FALSE;
- for (buf = 0; buf < numBuffers; buf++) {
- if (ctx->Color.Blend[buf].EquationRGB != mode ||
- ctx->Color.Blend[buf].EquationA != mode) {
- changed = GL_TRUE;
- break;
+ else {
+ /* only need to check 0th per-buffer state */
+ if (ctx->Color.Blend[0].EquationRGB != mode ||
+ ctx->Color.Blend[0].EquationA != mode) {
+ changed = true;
}
}
+
if (!changed)
return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+
+ if (!legal_simple_blend_equation(ctx, mode) && !advanced_mode) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
+ return;
+ }
+
+ _mesa_flush_vertices_for_blend_adv(ctx, ctx->Color.BlendEnabled,
+ advanced_mode);
+
for (buf = 0; buf < numBuffers; buf++) {
ctx->Color.Blend[buf].EquationRGB = mode;
ctx->Color.Blend[buf].EquationA = mode;
}
ctx->Color._BlendEquationPerBuffer = GL_FALSE;
+ ctx->Color._AdvancedBlendMode = advanced_mode;
if (ctx->Driver.BlendEquationSeparate)
- (*ctx->Driver.BlendEquationSeparate)( ctx, mode, mode );
+ ctx->Driver.BlendEquationSeparate(ctx, mode, mode);
}
/**
* Set blend equation for one color buffer/target.
*/
-void GLAPIENTRY
-_mesa_BlendEquationiARB(GLuint buf, GLenum mode)
+static void
+blend_equationi(struct gl_context *ctx, GLuint buf, GLenum mode,
+ enum gl_advanced_blend_mode advanced_mode)
{
- GET_CURRENT_CONTEXT(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendEquationi(%u, %s)\n",
- buf, _mesa_lookup_enum_by_nr(mode));
-
- if (buf >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
- buf);
- return;
- }
-
- if (!legal_blend_equation(ctx, mode)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationi");
- return;
- }
-
if (ctx->Color.Blend[buf].EquationRGB == mode &&
ctx->Color.Blend[buf].EquationA == mode)
return; /* no change */
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ _mesa_flush_vertices_for_blend_adv(ctx, ctx->Color.BlendEnabled,
+ advanced_mode);
ctx->Color.Blend[buf].EquationRGB = mode;
ctx->Color.Blend[buf].EquationA = mode;
ctx->Color._BlendEquationPerBuffer = GL_TRUE;
- if (ctx->Driver.BlendEquationSeparatei)
- ctx->Driver.BlendEquationSeparatei(ctx, buf, mode, mode);
+ if (buf == 0)
+ ctx->Color._AdvancedBlendMode = advanced_mode;
+}
+
+
+void GLAPIENTRY
+_mesa_BlendEquationiARB_no_error(GLuint buf, GLenum mode)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ enum gl_advanced_blend_mode advanced_mode = advanced_blend_mode(ctx, mode);
+ blend_equationi(ctx, buf, mode, advanced_mode);
}
void GLAPIENTRY
-_mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA )
+_mesa_BlendEquationiARB(GLuint buf, GLenum mode)
{
- GLuint buf, numBuffers;
- GLboolean changed;
GET_CURRENT_CONTEXT(ctx);
+ enum gl_advanced_blend_mode advanced_mode = advanced_blend_mode(ctx, mode);
if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendEquationSeparateEXT(%s %s)\n",
- _mesa_lookup_enum_by_nr(modeRGB),
- _mesa_lookup_enum_by_nr(modeA));
+ _mesa_debug(ctx, "glBlendEquationi(%u, %s)\n",
+ buf, _mesa_enum_to_string(mode));
- if ( (modeRGB != modeA) && !ctx->Extensions.EXT_blend_equation_separate ) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlendEquationSeparateEXT not supported by driver");
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBlendEquationi(buffer=%u)",
+ buf);
return;
}
- if (!legal_blend_equation(ctx, modeRGB)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeRGB)");
+ if (!legal_simple_blend_equation(ctx, mode) && !advanced_mode) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationi");
return;
}
- if (!legal_blend_equation(ctx, modeA)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeA)");
- return;
- }
+ blend_equationi(ctx, buf, mode, advanced_mode);
+}
- numBuffers = ctx->Extensions.ARB_draw_buffers_blend
- ? ctx->Const.MaxDrawBuffers : 1;
- changed = GL_FALSE;
- for (buf = 0; buf < numBuffers; buf++) {
- if (ctx->Color.Blend[buf].EquationRGB != modeRGB ||
- ctx->Color.Blend[buf].EquationA != modeA) {
- changed = GL_TRUE;
- break;
+static void
+blend_equation_separate(struct gl_context *ctx, GLenum modeRGB, GLenum modeA,
+ bool no_error)
+{
+ const unsigned numBuffers = num_buffers(ctx);
+ unsigned buf;
+ bool changed = false;
+
+ if (ctx->Color._BlendEquationPerBuffer) {
+ /* Check all per-buffer states */
+ for (buf = 0; buf < numBuffers; buf++) {
+ if (ctx->Color.Blend[buf].EquationRGB != modeRGB ||
+ ctx->Color.Blend[buf].EquationA != modeA) {
+ changed = true;
+ break;
+ }
+ }
+ } else {
+ /* only need to check 0th per-buffer state */
+ if (ctx->Color.Blend[0].EquationRGB != modeRGB ||
+ ctx->Color.Blend[0].EquationA != modeA) {
+ changed = true;
}
}
+
if (!changed)
return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ if (!no_error) {
+ if ((modeRGB != modeA) && !ctx->Extensions.EXT_blend_equation_separate) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlendEquationSeparateEXT not supported by driver");
+ return;
+ }
+
+ /* Only allow simple blending equations.
+ * The GL_KHR_blend_equation_advanced spec says:
+ *
+ * "NOTE: These enums are not accepted by the <modeRGB> or <modeAlpha>
+ * parameters of BlendEquationSeparate or BlendEquationSeparatei."
+ */
+ if (!legal_simple_blend_equation(ctx, modeRGB)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glBlendEquationSeparateEXT(modeRGB)");
+ return;
+ }
+
+ if (!legal_simple_blend_equation(ctx, modeA)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeA)");
+ return;
+ }
+ }
+
+ _mesa_flush_vertices_for_blend_state(ctx);
+
for (buf = 0; buf < numBuffers; buf++) {
ctx->Color.Blend[buf].EquationRGB = modeRGB;
ctx->Color.Blend[buf].EquationA = modeA;
}
ctx->Color._BlendEquationPerBuffer = GL_FALSE;
+ ctx->Color._AdvancedBlendMode = BLEND_NONE;
if (ctx->Driver.BlendEquationSeparate)
ctx->Driver.BlendEquationSeparate(ctx, modeRGB, modeA);
}
+void GLAPIENTRY
+_mesa_BlendEquationSeparate_no_error(GLenum modeRGB, GLenum modeA)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ blend_equation_separate(ctx, modeRGB, modeA, true);
+}
+
+
+void GLAPIENTRY
+_mesa_BlendEquationSeparate(GLenum modeRGB, GLenum modeA)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBlendEquationSeparateEXT(%s %s)\n",
+ _mesa_enum_to_string(modeRGB),
+ _mesa_enum_to_string(modeA));
+
+ blend_equation_separate(ctx, modeRGB, modeA, false);
+}
+
+
+static ALWAYS_INLINE void
+blend_equation_separatei(struct gl_context *ctx, GLuint buf, GLenum modeRGB,
+ GLenum modeA, bool no_error)
+{
+ if (ctx->Color.Blend[buf].EquationRGB == modeRGB &&
+ ctx->Color.Blend[buf].EquationA == modeA)
+ return; /* no change */
+
+ if (!no_error) {
+ /* Only allow simple blending equations.
+ * The GL_KHR_blend_equation_advanced spec says:
+ *
+ * "NOTE: These enums are not accepted by the <modeRGB> or <modeAlpha>
+ * parameters of BlendEquationSeparate or BlendEquationSeparatei."
+ */
+ if (!legal_simple_blend_equation(ctx, modeRGB)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeRGB)");
+ return;
+ }
+
+ if (!legal_simple_blend_equation(ctx, modeA)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeA)");
+ return;
+ }
+ }
+
+ _mesa_flush_vertices_for_blend_state(ctx);
+ ctx->Color.Blend[buf].EquationRGB = modeRGB;
+ ctx->Color.Blend[buf].EquationA = modeA;
+ ctx->Color._BlendEquationPerBuffer = GL_TRUE;
+ ctx->Color._AdvancedBlendMode = BLEND_NONE;
+}
+
+
+void GLAPIENTRY
+_mesa_BlendEquationSeparateiARB_no_error(GLuint buf, GLenum modeRGB,
+ GLenum modeA)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ blend_equation_separatei(ctx, buf, modeRGB, modeA, true);
+}
+
+
/**
* Set separate blend equations for one color buffer/target.
*/
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquationSeparatei(%u, %s %s)\n", buf,
- _mesa_lookup_enum_by_nr(modeRGB),
- _mesa_lookup_enum_by_nr(modeA));
+ _mesa_enum_to_string(modeRGB),
+ _mesa_enum_to_string(modeA));
if (buf >= ctx->Const.MaxDrawBuffers) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBlendEquationSeparatei(buffer=%u)",
return;
}
- if (!legal_blend_equation(ctx, modeRGB)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeRGB)");
- return;
- }
-
- if (!legal_blend_equation(ctx, modeA)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeA)");
- return;
- }
-
- if (ctx->Color.Blend[buf].EquationRGB == modeRGB &&
- ctx->Color.Blend[buf].EquationA == modeA)
- return; /* no change */
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.Blend[buf].EquationRGB = modeRGB;
- ctx->Color.Blend[buf].EquationA = modeA;
- ctx->Color._BlendEquationPerBuffer = GL_TRUE;
-
- if (ctx->Driver.BlendEquationSeparatei)
- ctx->Driver.BlendEquationSeparatei(ctx, buf, modeRGB, modeA);
+ blend_equation_separatei(ctx, buf, modeRGB, modeA, false);
}
if (TEST_EQ_4V(tmp, ctx->Color.BlendColorUnclamped))
return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewBlendColor ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewBlendColor;
COPY_4FV( ctx->Color.BlendColorUnclamped, tmp );
ctx->Color.BlendColor[0] = CLAMP(tmp[0], 0.0F, 1.0F);
ctx->Color.BlendColor[3] = CLAMP(tmp[3], 0.0F, 1.0F);
if (ctx->Driver.BlendColor)
- (*ctx->Driver.BlendColor)(ctx, ctx->Color.BlendColor);
+ ctx->Driver.BlendColor(ctx, ctx->Color.BlendColor);
}
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glAlphaFunc(%s, %f)\n",
- _mesa_lookup_enum_by_nr(func), ref);
+ _mesa_enum_to_string(func), ref);
+
+ if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRefUnclamped == ref)
+ return; /* no change */
switch (func) {
case GL_NEVER:
case GL_NOTEQUAL:
case GL_GEQUAL:
case GL_ALWAYS:
- if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRefUnclamped == ref)
- return; /* no change */
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewAlphaTest ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewAlphaTest;
ctx->Color.AlphaFunc = func;
ctx->Color.AlphaRefUnclamped = ref;
ctx->Color.AlphaRef = CLAMP(ref, 0.0F, 1.0F);
}
}
+static const enum gl_logicop_mode color_logicop_mapping[16] = {
+ COLOR_LOGICOP_CLEAR,
+ COLOR_LOGICOP_AND,
+ COLOR_LOGICOP_AND_REVERSE,
+ COLOR_LOGICOP_COPY,
+ COLOR_LOGICOP_AND_INVERTED,
+ COLOR_LOGICOP_NOOP,
+ COLOR_LOGICOP_XOR,
+ COLOR_LOGICOP_OR,
+ COLOR_LOGICOP_NOR,
+ COLOR_LOGICOP_EQUIV,
+ COLOR_LOGICOP_INVERT,
+ COLOR_LOGICOP_OR_REVERSE,
+ COLOR_LOGICOP_COPY_INVERTED,
+ COLOR_LOGICOP_OR_INVERTED,
+ COLOR_LOGICOP_NAND,
+ COLOR_LOGICOP_SET
+};
+
+static ALWAYS_INLINE void
+logic_op(struct gl_context *ctx, GLenum opcode, bool no_error)
+{
+ if (ctx->Color.LogicOp == opcode)
+ return;
+
+ if (!no_error) {
+ switch (opcode) {
+ case GL_CLEAR:
+ case GL_SET:
+ case GL_COPY:
+ case GL_COPY_INVERTED:
+ case GL_NOOP:
+ case GL_INVERT:
+ case GL_AND:
+ case GL_NAND:
+ case GL_OR:
+ case GL_NOR:
+ case GL_XOR:
+ case GL_EQUIV:
+ case GL_AND_REVERSE:
+ case GL_AND_INVERTED:
+ case GL_OR_REVERSE:
+ case GL_OR_INVERTED:
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glLogicOp" );
+ return;
+ }
+ }
+
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewLogicOp ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewLogicOp;
+ ctx->Color.LogicOp = opcode;
+ ctx->Color._LogicOp = color_logicop_mapping[opcode & 0x0f];
+ _mesa_update_allow_draw_out_of_order(ctx);
+
+ if (ctx->Driver.LogicOpcode)
+ ctx->Driver.LogicOpcode(ctx, ctx->Color._LogicOp);
+}
+
/**
* Specify a logic pixel operation for color index rendering.
* \param opcode operation.
*
* Verifies that \p opcode is a valid enum and updates
-gl_colorbuffer_attrib::LogicOp.
+ * gl_colorbuffer_attrib::LogicOp.
* On a change, flushes the vertices and notifies the driver via the
* dd_function_table::LogicOpcode callback.
*/
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glLogicOp(%s)\n", _mesa_lookup_enum_by_nr(opcode));
-
- switch (opcode) {
- case GL_CLEAR:
- case GL_SET:
- case GL_COPY:
- case GL_COPY_INVERTED:
- case GL_NOOP:
- case GL_INVERT:
- case GL_AND:
- case GL_NAND:
- case GL_OR:
- case GL_NOR:
- case GL_XOR:
- case GL_EQUIV:
- case GL_AND_REVERSE:
- case GL_AND_INVERTED:
- case GL_OR_REVERSE:
- case GL_OR_INVERTED:
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glLogicOp" );
- return;
- }
+ _mesa_debug(ctx, "glLogicOp(%s)\n", _mesa_enum_to_string(opcode));
- if (ctx->Color.LogicOp == opcode)
- return;
+ logic_op(ctx, opcode, false);
+}
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.LogicOp = opcode;
- if (ctx->Driver.LogicOpcode)
- ctx->Driver.LogicOpcode( ctx, opcode );
+void GLAPIENTRY
+_mesa_LogicOp_no_error(GLenum opcode)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ logic_op(ctx, opcode, true);
}
if (ctx->Color.IndexMask == mask)
return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewColorMask ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewColorMask;
ctx->Color.IndexMask = mask;
}
GLboolean blue, GLboolean alpha )
{
GET_CURRENT_CONTEXT(ctx);
- GLubyte tmp[4];
- GLuint i;
- GLboolean flushed;
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glColorMask(%d, %d, %d, %d)\n",
red, green, blue, alpha);
- /* 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;
-
- 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);
- }
- }
+ GLbitfield mask = (!!red) |
+ ((!!green) << 1) |
+ ((!!blue) << 2) |
+ ((!!alpha) << 3);
+ mask = _mesa_replicate_colormask(mask, ctx->Const.MaxDrawBuffers);
+
+ if (ctx->Color.ColorMask == mask)
+ return;
+
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewColorMask ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewColorMask;
+ ctx->Color.ColorMask = mask;
+ _mesa_update_allow_draw_out_of_order(ctx);
if (ctx->Driver.ColorMask)
ctx->Driver.ColorMask( ctx, red, green, blue, alpha );
* For GL_EXT_draw_buffers2 and GL3
*/
void GLAPIENTRY
-_mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green,
- GLboolean blue, GLboolean alpha )
+_mesa_ColorMaski(GLuint buf, GLboolean red, GLboolean green,
+ GLboolean blue, GLboolean alpha)
{
- GLubyte tmp[4];
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glColorMaskIndexed %u %d %d %d %d\n",
+ _mesa_debug(ctx, "glColorMaski %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);
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorMaski(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;
+ GLbitfield mask = (!!red) |
+ ((!!green) << 1) |
+ ((!!blue) << 2) |
+ ((!!alpha) << 3);
- if (TEST_EQ_4V(tmp, ctx->Color.ColorMask[buf]))
+ if (GET_COLORMASK(ctx->Color.ColorMask, buf) == mask)
return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- COPY_4UBV(ctx->Color.ColorMask[buf], tmp);
-
- if (ctx->Driver.ColorMaskIndexed)
- ctx->Driver.ColorMaskIndexed(ctx, buf, red, green, blue, alpha);
+ FLUSH_VERTICES(ctx, ctx->DriverFlags.NewColorMask ? 0 : _NEW_COLOR);
+ ctx->NewDriverState |= ctx->DriverFlags.NewColorMask;
+ ctx->Color.ColorMask &= ~(0xf << (4 * buf));
+ ctx->Color.ColorMask |= mask << (4 * buf);
+ _mesa_update_allow_draw_out_of_order(ctx);
}
{
GET_CURRENT_CONTEXT(ctx);
+ /* Check for both the extension and the GL version, since the Intel driver
+ * does not advertise the extension in core profiles.
+ */
+ if (ctx->Version <= 30 && !ctx->Extensions.ARB_color_buffer_float) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glClampColor()");
+ return;
+ }
+
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:
- if (ctx->API == API_OPENGL_CORE &&
- !ctx->Extensions.ARB_color_buffer_float) {
+ if (ctx->API == API_OPENGL_CORE)
goto invalid_enum;
- }
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.ClampVertexColor = clamp;
_mesa_update_clamp_vertex_color(ctx, ctx->DrawBuffer);
break;
case GL_CLAMP_FRAGMENT_COLOR_ARB:
- if (ctx->API == API_OPENGL_CORE &&
- !ctx->Extensions.ARB_color_buffer_float) {
+ if (ctx->API == API_OPENGL_CORE)
goto invalid_enum;
+ if (ctx->Color.ClampFragmentColor != clamp) {
+ ctx->Color.ClampFragmentColor = clamp;
+ _mesa_update_clamp_fragment_color(ctx, ctx->DrawBuffer);
}
- FLUSH_VERTICES(ctx, _NEW_FRAG_CLAMP);
- ctx->Color.ClampFragmentColor = clamp;
- _mesa_update_clamp_fragment_color(ctx, ctx->DrawBuffer);
break;
case GL_CLAMP_READ_COLOR_ARB:
ctx->Color.ClampReadColor = clamp;
invalid_enum:
_mesa_error(ctx, GL_INVALID_ENUM, "glClampColor(%s)",
- _mesa_lookup_enum_by_nr(target));
+ _mesa_enum_to_string(target));
}
static GLboolean
_mesa_update_clamp_fragment_color(struct gl_context *ctx,
const struct gl_framebuffer *drawFb)
{
+ GLboolean clamp;
+
/* Don't clamp if:
* - there is no colorbuffer
* - all colorbuffers are unsigned normalized, so clamping has no effect
* - there is an integer colorbuffer
*/
if (!drawFb || !drawFb->_HasSNormOrFloatColorBuffer ||
- drawFb->_IntegerColor)
- ctx->Color._ClampFragmentColor = GL_FALSE;
+ drawFb->_IntegerBuffers)
+ clamp = GL_FALSE;
else
- ctx->Color._ClampFragmentColor =
- _mesa_get_clamp_fragment_color(ctx, drawFb);
+ clamp = _mesa_get_clamp_fragment_color(ctx, drawFb);
+
+ if (ctx->Color._ClampFragmentColor == clamp)
+ return;
+
+ ctx->NewState |= _NEW_FRAG_CLAMP; /* for state constants */
+ ctx->NewDriverState |= ctx->DriverFlags.NewFragClamp;
+ ctx->Color._ClampFragmentColor = clamp;
}
/**
/* Color buffer group */
ctx->Color.IndexMask = ~0u;
- memset(ctx->Color.ColorMask, 0xff, sizeof(ctx->Color.ColorMask));
+ ctx->Color.ColorMask = 0xffffffff;
ctx->Color.ClearIndex = 0;
ASSIGN_4V( ctx->Color.ClearColor.f, 0, 0, 0, 0 );
ctx->Color.AlphaEnabled = GL_FALSE;
ctx->Color.IndexLogicOpEnabled = GL_FALSE;
ctx->Color.ColorLogicOpEnabled = GL_FALSE;
ctx->Color.LogicOp = GL_COPY;
+ ctx->Color._LogicOp = COLOR_LOGICOP_COPY;
ctx->Color.DitherFlag = GL_TRUE;
/* GL_FRONT is not possible on GLES. Instead GL_BACK will render to either
ctx->Color._ClampFragmentColor = GL_FALSE;
ctx->Color.ClampReadColor = GL_FIXED_ONLY_ARB;
- 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;
- }
+ /* GLES 1/2/3 behaves as though GL_FRAMEBUFFER_SRGB is always enabled
+ * if EGL_KHR_gl_colorspace has been used to request sRGB.
+ */
+ ctx->Color.sRGBEnabled = _mesa_is_gles(ctx);
+
+ ctx->Color.BlendCoherent = true;
}
/*@}*/
projects / mesa.git / blobdiff