* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
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;
}
void GLAPIENTRY
_mesa_BlendFunc( GLenum sfactor, GLenum dfactor )
{
- _mesa_BlendFuncSeparateEXT(sfactor, dfactor, sfactor, dfactor);
+ _mesa_BlendFuncSeparate(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.
* \param dfactorA alpha destination factor operator.
*/
void GLAPIENTRY
-_mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB,
+_mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
GLenum sfactorA, GLenum dfactorA )
{
GLuint buf, numBuffers;
GLboolean changed;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendFuncSeparate %s %s %s %s\n",
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.
*/
void GLAPIENTRY
-_mesa_BlendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)
+_mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor)
{
- _mesa_BlendFuncSeparatei(buf, sfactor, dfactor, sfactor, dfactor);
+ _mesa_BlendFuncSeparateiARB(buf, sfactor, dfactor, sfactor, dfactor);
}
* Set separate blend source/dest factors for one color buffer/target.
*/
void GLAPIENTRY
-_mesa_BlendFuncSeparatei(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
+_mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
GLenum sfactorA, GLenum dfactorA)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!ctx->Extensions.ARB_draw_buffers_blend) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBlendFunc[Separate]i()");
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) {
GLuint buf, numBuffers;
GLboolean changed;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquation(%s)\n",
* Set blend equation for one color buffer/target.
*/
void GLAPIENTRY
-_mesa_BlendEquationi(GLuint buf, GLenum mode)
+_mesa_BlendEquationiARB(GLuint buf, GLenum mode)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquationi(%u, %s)\n",
void GLAPIENTRY
-_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA )
+_mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA )
{
GLuint buf, numBuffers;
GLboolean changed;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquationSeparateEXT(%s %s)\n",
* Set separate blend equations for one color buffer/target.
*/
void GLAPIENTRY
-_mesa_BlendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeA)
+_mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBlendEquationSeparatei(%u, %s %s)\n", buf,
}
-
-#endif /* _HAVE_FULL_GL */
-
-
/**
* Set the blending color.
*
{
GLfloat tmp[4];
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
tmp[0] = red;
tmp[1] = green;
_mesa_AlphaFunc( GLenum func, GLclampf ref )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glAlphaFunc(%s, %f)\n",
_mesa_LogicOp( GLenum opcode )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glLogicOp(%s)\n", _mesa_lookup_enum_by_nr(opcode));
ctx->Driver.LogicOpcode( ctx, opcode );
}
-#if _HAVE_FULL_GL
+
void GLAPIENTRY
_mesa_IndexMask( GLuint mask )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Color.IndexMask == mask)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.IndexMask = mask;
}
-#endif
/**
GLubyte tmp[4];
GLuint i;
GLboolean flushed;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glColorMask(%d, %d, %d, %d)\n",
* For GL_EXT_draw_buffers2 and GL3
*/
void GLAPIENTRY
-_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
+_mesa_ColorMaski( 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",
void GLAPIENTRY
-_mesa_ClampColorARB(GLenum target, GLenum clamp)
+_mesa_ClampColor(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:
+ if (ctx->API == API_OPENGL_CORE &&
+ !ctx->Extensions.ARB_color_buffer_float) {
+ goto invalid_enum;
+ }
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.ClampVertexColor = clamp;
+ _mesa_update_clamp_vertex_color(ctx);
break;
case GL_CLAMP_FRAGMENT_COLOR_ARB:
+ if (ctx->API == API_OPENGL_CORE &&
+ !ctx->Extensions.ARB_color_buffer_float) {
+ goto invalid_enum;
+ }
FLUSH_VERTICES(ctx, _NEW_FRAG_CLAMP);
ctx->Color.ClampFragmentColor = clamp;
+ _mesa_update_clamp_fragment_color(ctx);
break;
case GL_CLAMP_READ_COLOR_ARB:
- FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.ClampReadColor = clamp;
break;
default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(target)");
- return;
+ goto invalid_enum;
}
+ return;
+
+invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClampColor(%s)",
+ _mesa_lookup_enum_by_nr(target));
}
+static GLboolean
+get_clamp_color(const struct gl_framebuffer *fb, GLenum clamp)
+{
+ if (clamp == GL_TRUE || clamp == GL_FALSE)
+ return clamp;
+ ASSERT(clamp == GL_FIXED_ONLY);
+ if (!fb)
+ return GL_TRUE;
+
+ return fb->_AllColorBuffersFixedPoint;
+}
+
+GLboolean
+_mesa_get_clamp_fragment_color(const struct gl_context *ctx)
+{
+ return get_clamp_color(ctx->DrawBuffer,
+ ctx->Color.ClampFragmentColor);
+}
+
+GLboolean
+_mesa_get_clamp_vertex_color(const struct gl_context *ctx)
+{
+ return get_clamp_color(ctx->DrawBuffer, ctx->Light.ClampVertexColor);
+}
+
+GLboolean
+_mesa_get_clamp_read_color(const struct gl_context *ctx)
+{
+ return get_clamp_color(ctx->ReadBuffer, ctx->Color.ClampReadColor);
+}
+
+/**
+ * Update the ctx->Color._ClampFragmentColor field
+ */
+void
+_mesa_update_clamp_fragment_color(struct gl_context *ctx)
+{
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+
+ /* Don't clamp if:
+ * - there is no colorbuffer
+ * - all colorbuffers are unsigned normalized, so clamping has no effect
+ * - there is an integer colorbuffer
+ */
+ if (!fb || !fb->_HasSNormOrFloatColorBuffer || fb->_IntegerColor)
+ ctx->Color._ClampFragmentColor = GL_FALSE;
+ else
+ ctx->Color._ClampFragmentColor = _mesa_get_clamp_fragment_color(ctx);
+}
+
+/**
+ * Update the ctx->Color._ClampVertexColor field
+ */
+void
+_mesa_update_clamp_vertex_color(struct gl_context *ctx)
+{
+ ctx->Light._ClampVertexColor = _mesa_get_clamp_vertex_color(ctx);
+}
/**********************************************************************/
ctx->Color.DrawBuffer[0] = GL_FRONT;
}
- ctx->Color.ClampFragmentColor = GL_FIXED_ONLY_ARB;
- ctx->Color._ClampFragmentColor = GL_TRUE;
+ ctx->Color.ClampFragmentColor = ctx->API == API_OPENGL_COMPAT ?
+ GL_FIXED_ONLY_ARB : GL_FALSE;
+ ctx->Color._ClampFragmentColor = GL_FALSE;
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;
+ }
}
/*@}*/
projects / mesa.git / blobdiff