/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* 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
- * 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#if defined(USE_MMX_ASM)
#include "x86/mmx.h"
#include "x86/common_x86_asm.h"
-#define _BLENDAPI _ASMAPI
-#else
-#define _BLENDAPI
#endif
* No-op means the framebuffer values remain unchanged.
* Any chanType ok.
*/
-static void _BLENDAPI
-blend_noop(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_noop(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLint bytes;
- ASSERT(ctx->Color.BlendEquationRGB == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendEquationA == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendSrcRGB == GL_ZERO);
- ASSERT(ctx->Color.BlendDstRGB == GL_ONE);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].EquationA == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].SrcRGB == GL_ZERO);
+ assert(ctx->Color.Blend[0].DstRGB == GL_ONE);
(void) ctx;
/* just memcpy */
else
bytes = 4 * n * sizeof(GLfloat);
- _mesa_memcpy(src, dst, bytes);
+ memcpy(src, dst, bytes);
}
* Special case for glBlendFunc(GL_ONE, GL_ZERO)
* Any chanType ok.
*/
-static void _BLENDAPI
-blend_replace(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_replace(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
- ASSERT(ctx->Color.BlendEquationRGB == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendEquationA == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendSrcRGB == GL_ONE);
- ASSERT(ctx->Color.BlendDstRGB == GL_ZERO);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].EquationA == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].SrcRGB == GL_ONE);
+ assert(ctx->Color.Blend[0].DstRGB == GL_ZERO);
(void) ctx;
(void) n;
(void) mask;
* Common transparency blending mode:
* glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA).
*/
-static void _BLENDAPI
-blend_transparency_ubyte(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_transparency_ubyte(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLubyte (*rgba)[4] = (GLubyte (*)[4]) src;
const GLubyte (*dest)[4] = (const GLubyte (*)[4]) dst;
GLuint i;
- ASSERT(ctx->Color.BlendEquationRGB == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendEquationA == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendSrcRGB == GL_SRC_ALPHA);
- ASSERT(ctx->Color.BlendSrcA == GL_SRC_ALPHA);
- ASSERT(ctx->Color.BlendDstRGB == GL_ONE_MINUS_SRC_ALPHA);
- ASSERT(ctx->Color.BlendDstA == GL_ONE_MINUS_SRC_ALPHA);
- ASSERT(chanType == GL_UNSIGNED_BYTE);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].EquationA == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].SrcRGB == GL_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].SrcA == GL_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].DstRGB == GL_ONE_MINUS_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].DstA == GL_ONE_MINUS_SRC_ALPHA);
+ assert(chanType == GL_UNSIGNED_BYTE);
(void) ctx;
const GLint g = DIV255((rgba[i][GCOMP] - dest[i][GCOMP]) * t) + dest[i][GCOMP];
const GLint b = DIV255((rgba[i][BCOMP] - dest[i][BCOMP]) * t) + dest[i][BCOMP];
const GLint a = DIV255((rgba[i][ACOMP] - dest[i][ACOMP]) * t) + dest[i][ACOMP];
- ASSERT(r <= 255);
- ASSERT(g <= 255);
- ASSERT(b <= 255);
- ASSERT(a <= 255);
+ assert(r <= 255);
+ assert(g <= 255);
+ assert(b <= 255);
+ assert(a <= 255);
rgba[i][RCOMP] = (GLubyte) r;
rgba[i][GCOMP] = (GLubyte) g;
rgba[i][BCOMP] = (GLubyte) b;
}
-static void _BLENDAPI
-blend_transparency_ushort(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_transparency_ushort(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLushort (*rgba)[4] = (GLushort (*)[4]) src;
const GLushort (*dest)[4] = (const GLushort (*)[4]) dst;
GLuint i;
- ASSERT(ctx->Color.BlendEquationRGB == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendEquationA == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendSrcRGB == GL_SRC_ALPHA);
- ASSERT(ctx->Color.BlendSrcA == GL_SRC_ALPHA);
- ASSERT(ctx->Color.BlendDstRGB == GL_ONE_MINUS_SRC_ALPHA);
- ASSERT(ctx->Color.BlendDstA == GL_ONE_MINUS_SRC_ALPHA);
- ASSERT(chanType == GL_UNSIGNED_SHORT);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].EquationA == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].SrcRGB == GL_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].SrcA == GL_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].DstRGB == GL_ONE_MINUS_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].DstA == GL_ONE_MINUS_SRC_ALPHA);
+ assert(chanType == GL_UNSIGNED_SHORT);
(void) ctx;
}
-static void _BLENDAPI
-blend_transparency_float(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_transparency_float(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLfloat (*rgba)[4] = (GLfloat (*)[4]) src;
const GLfloat (*dest)[4] = (const GLfloat (*)[4]) dst;
GLuint i;
- ASSERT(ctx->Color.BlendEquationRGB == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendEquationA == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendSrcRGB == GL_SRC_ALPHA);
- ASSERT(ctx->Color.BlendSrcA == GL_SRC_ALPHA);
- ASSERT(ctx->Color.BlendDstRGB == GL_ONE_MINUS_SRC_ALPHA);
- ASSERT(ctx->Color.BlendDstA == GL_ONE_MINUS_SRC_ALPHA);
- ASSERT(chanType == GL_FLOAT);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].EquationA == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].SrcRGB == GL_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].SrcA == GL_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].DstRGB == GL_ONE_MINUS_SRC_ALPHA);
+ assert(ctx->Color.Blend[0].DstA == GL_ONE_MINUS_SRC_ALPHA);
+ assert(chanType == GL_FLOAT);
(void) ctx;
* Add src and dest: glBlendFunc(GL_ONE, GL_ONE).
* Any chanType ok.
*/
-static void _BLENDAPI
-blend_add(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_add(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLuint i;
- ASSERT(ctx->Color.BlendEquationRGB == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendEquationA == GL_FUNC_ADD);
- ASSERT(ctx->Color.BlendSrcRGB == GL_ONE);
- ASSERT(ctx->Color.BlendDstRGB == GL_ONE);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].EquationA == GL_FUNC_ADD);
+ assert(ctx->Color.Blend[0].SrcRGB == GL_ONE);
+ assert(ctx->Color.Blend[0].DstRGB == GL_ONE);
(void) ctx;
if (chanType == GL_UNSIGNED_BYTE) {
else {
GLfloat (*rgba)[4] = (GLfloat (*)[4]) src;
const GLfloat (*dest)[4] = (const GLfloat (*)[4]) dst;
- ASSERT(chanType == GL_FLOAT);
+ assert(chanType == GL_FLOAT);
for (i=0;i<n;i++) {
if (mask[i]) {
/* don't RGB clamp to max */
* Blend min function.
* Any chanType ok.
*/
-static void _BLENDAPI
-blend_min(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_min(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLuint i;
- ASSERT(ctx->Color.BlendEquationRGB == GL_MIN);
- ASSERT(ctx->Color.BlendEquationA == GL_MIN);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_MIN);
+ assert(ctx->Color.Blend[0].EquationA == GL_MIN);
(void) ctx;
if (chanType == GL_UNSIGNED_BYTE) {
else {
GLfloat (*rgba)[4] = (GLfloat (*)[4]) src;
const GLfloat (*dest)[4] = (const GLfloat (*)[4]) dst;
- ASSERT(chanType == GL_FLOAT);
+ assert(chanType == GL_FLOAT);
for (i=0;i<n;i++) {
if (mask[i]) {
rgba[i][RCOMP] = MIN2( rgba[i][RCOMP], dest[i][RCOMP] );
* Blend max function.
* Any chanType ok.
*/
-static void _BLENDAPI
-blend_max(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_max(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLuint i;
- ASSERT(ctx->Color.BlendEquationRGB == GL_MAX);
- ASSERT(ctx->Color.BlendEquationA == GL_MAX);
+ assert(ctx->Color.Blend[0].EquationRGB == GL_MAX);
+ assert(ctx->Color.Blend[0].EquationA == GL_MAX);
(void) ctx;
if (chanType == GL_UNSIGNED_BYTE) {
else {
GLfloat (*rgba)[4] = (GLfloat (*)[4]) src;
const GLfloat (*dest)[4] = (const GLfloat (*)[4]) dst;
- ASSERT(chanType == GL_FLOAT);
+ assert(chanType == GL_FLOAT);
for (i=0;i<n;i++) {
if (mask[i]) {
rgba[i][RCOMP] = MAX2( rgba[i][RCOMP], dest[i][RCOMP] );
* Modulate: result = src * dest
* Any chanType ok.
*/
-static void _BLENDAPI
-blend_modulate(GLcontext *ctx, GLuint n, const GLubyte mask[],
+static void
+blend_modulate(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLvoid *src, const GLvoid *dst, GLenum chanType)
{
GLuint i;
else {
GLfloat (*rgba)[4] = (GLfloat (*)[4]) src;
const GLfloat (*dest)[4] = (const GLfloat (*)[4]) dst;
- ASSERT(chanType == GL_FLOAT);
+ assert(chanType == GL_FLOAT);
for (i=0;i<n;i++) {
if (mask[i]) {
rgba[i][RCOMP] = rgba[i][RCOMP] * dest[i][RCOMP];
* \param dest array of pixels from the dest color buffer
*/
static void
-blend_general_float(GLcontext *ctx, GLuint n, const GLubyte mask[],
+blend_general_float(struct gl_context *ctx, GLuint n, const GLubyte mask[],
GLfloat rgba[][4], GLfloat dest[][4],
GLenum chanType)
{
*/
/* Source RGB factor */
- switch (ctx->Color.BlendSrcRGB) {
+ switch (ctx->Color.Blend[0].SrcRGB) {
case GL_ZERO:
sR = sG = sB = 0.0F;
break;
}
/* Source Alpha factor */
- switch (ctx->Color.BlendSrcA) {
+ switch (ctx->Color.Blend[0].SrcA) {
case GL_ZERO:
sA = 0.0F;
break;
}
/* Dest RGB factor */
- switch (ctx->Color.BlendDstRGB) {
+ switch (ctx->Color.Blend[0].DstRGB) {
case GL_ZERO:
dR = dG = dB = 0.0F;
break;
}
/* Dest Alpha factor */
- switch (ctx->Color.BlendDstA) {
+ switch (ctx->Color.Blend[0].DstA) {
case GL_ZERO:
dA = 0.0F;
break;
}
/* compute the blended RGB */
- switch (ctx->Color.BlendEquationRGB) {
+ switch (ctx->Color.Blend[0].EquationRGB) {
case GL_FUNC_ADD:
r = Rs * sR + Rd * dR;
g = Gs * sG + Gd * dG;
}
/* compute the blended alpha */
- switch (ctx->Color.BlendEquationA) {
+ switch (ctx->Color.Blend[0].EquationA) {
case GL_FUNC_ADD:
a = As * sA + Ad * dA;
break;
* Do any blending operation, any chanType.
*/
static void
-blend_general(GLcontext *ctx, GLuint n, const GLubyte mask[],
+blend_general(struct gl_context *ctx, GLuint n, const GLubyte mask[],
void *src, const void *dst, GLenum chanType)
{
- GLfloat rgbaF[MAX_WIDTH][4], destF[MAX_WIDTH][4];
+ GLfloat (*rgbaF)[4], (*destF)[4];
+
+ rgbaF = (GLfloat (*)[4]) malloc(4 * n * sizeof(GLfloat));
+ destF = (GLfloat (*)[4]) malloc(4 * n * sizeof(GLfloat));
+ if (!rgbaF || !destF) {
+ free(rgbaF);
+ free(destF);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "blending");
+ return;
+ }
if (chanType == GL_UNSIGNED_BYTE) {
GLubyte (*rgba)[4] = (GLubyte (*)[4]) src;
blend_general_float(ctx, n, mask, rgbaF, destF, chanType);
/* convert back to ubytes */
for (i = 0; i < n; i++) {
- if (mask[i]) {
- UNCLAMPED_FLOAT_TO_UBYTE(rgba[i][RCOMP], rgbaF[i][RCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(rgba[i][GCOMP], rgbaF[i][GCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(rgba[i][BCOMP], rgbaF[i][BCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(rgba[i][ACOMP], rgbaF[i][ACOMP]);
- }
+ if (mask[i])
+ _mesa_unclamped_float_rgba_to_ubyte(rgba[i], rgbaF[i]);
}
}
else if (chanType == GL_UNSIGNED_SHORT) {
blend_general_float(ctx, n, mask, (GLfloat (*)[4]) src,
(GLfloat (*)[4]) dst, chanType);
}
+
+ free(rgbaF);
+ free(destF);
}
* Result: the ctx->Color.BlendFunc pointer is updated.
*/
void
-_swrast_choose_blend_func(GLcontext *ctx, GLenum chanType)
+_swrast_choose_blend_func(struct gl_context *ctx, GLenum chanType)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const GLenum eq = ctx->Color.BlendEquationRGB;
- const GLenum srcRGB = ctx->Color.BlendSrcRGB;
- const GLenum dstRGB = ctx->Color.BlendDstRGB;
- const GLenum srcA = ctx->Color.BlendSrcA;
- const GLenum dstA = ctx->Color.BlendDstA;
+ const GLenum eq = ctx->Color.Blend[0].EquationRGB;
+ const GLenum srcRGB = ctx->Color.Blend[0].SrcRGB;
+ const GLenum dstRGB = ctx->Color.Blend[0].DstRGB;
+ const GLenum srcA = ctx->Color.Blend[0].SrcA;
+ const GLenum dstA = ctx->Color.Blend[0].DstA;
- if (ctx->Color.BlendEquationRGB != ctx->Color.BlendEquationA) {
+ if (ctx->Color.Blend[0].EquationRGB != ctx->Color.Blend[0].EquationA) {
swrast->BlendFunc = blend_general;
}
else if (eq == GL_MIN) {
* pixel coordinates.
*/
void
-_swrast_blend_span(GLcontext *ctx, struct gl_renderbuffer *rb, SWspan *span)
+_swrast_blend_span(struct gl_context *ctx, struct gl_renderbuffer *rb, SWspan *span)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
void *rbPixels;
- ASSERT(span->end <= MAX_WIDTH);
- ASSERT(span->arrayMask & SPAN_RGBA);
- ASSERT(rb->DataType == span->array->ChanType);
- ASSERT(!ctx->Color._LogicOpEnabled);
+ assert(span->end <= SWRAST_MAX_WIDTH);
+ assert(span->arrayMask & SPAN_RGBA);
+ assert(!ctx->Color.ColorLogicOpEnabled);
rbPixels = _swrast_get_dest_rgba(ctx, rb, span);
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