/*
* Mesa 3-D graphics library
- * Version: 6.5
*
* Copyright (C) 1999-2005 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.
*/
#include "glheader.h"
#include "context.h"
#include "format_unpack.h"
#include "format_pack.h"
+#include "framebuffer.h"
#include "imports.h"
#include "macros.h"
-#include "mfeatures.h"
#include "state.h"
#include "mtypes.h"
#include "main/dispatch.h"
-#if FEATURE_accum
-
-
void GLAPIENTRY
_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha )
{
GLfloat tmp[4];
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
tmp[0] = CLAMP( red, -1.0F, 1.0F );
tmp[1] = CLAMP( green, -1.0F, 1.0F );
}
-static void GLAPIENTRY
-_mesa_Accum( GLenum op, GLfloat value )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- switch (op) {
- case GL_ADD:
- case GL_MULT:
- case GL_ACCUM:
- case GL_LOAD:
- case GL_RETURN:
- /* OK */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glAccum(op)");
- return;
- }
-
- if (ctx->DrawBuffer->Visual.haveAccumBuffer == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glAccum(no accum buffer)");
- return;
- }
-
- if (ctx->DrawBuffer != ctx->ReadBuffer) {
- /* See GLX_SGI_make_current_read or WGL_ARB_make_current_read,
- * or GL_EXT_framebuffer_blit.
- */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glAccum(different read/draw buffers)");
- return;
- }
-
- if (ctx->NewState)
- _mesa_update_state(ctx);
-
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glAccum(incomplete framebuffer)");
- return;
- }
-
- if (ctx->TransformFeedback.RasterDiscard)
- return;
-
- if (ctx->RenderMode == GL_RENDER) {
- _mesa_accum(ctx, op, value);
- }
-}
-
-
-void
-_mesa_init_accum_dispatch(struct _glapi_table *disp)
-{
- SET_Accum(disp, _mesa_Accum);
- SET_ClearAccum(disp, _mesa_ClearAccum);
-}
-
-
-#endif /* FEATURE_accum */
-
-
-void
-_mesa_init_accum( struct gl_context *ctx )
-{
- /* Accumulate buffer group */
- ASSIGN_4V( ctx->Accum.ClearColor, 0.0, 0.0, 0.0, 0.0 );
-}
-
-
-
-
/**
* Clear the accumulation buffer by mapping the renderbuffer and
* writing the clear color to it. Called by the driver's implementation
if (!accRb)
return; /* missing accum buffer, not an error */
+ _mesa_update_draw_buffer_bounds(ctx, ctx->DrawBuffer);
+
/* bounds, with scissor */
x = ctx->DrawBuffer->_Xmin;
y = ctx->DrawBuffer->_Ymin;
return;
}
- if (accRb->Format == MESA_FORMAT_SIGNED_RGBA_16) {
+ if (accRb->Format == MESA_FORMAT_RGBA_SNORM16) {
const GLshort clearR = FLOAT_TO_SHORT(ctx->Accum.ClearColor[0]);
const GLshort clearG = FLOAT_TO_SHORT(ctx->Accum.ClearColor[1]);
const GLshort clearB = FLOAT_TO_SHORT(ctx->Accum.ClearColor[2]);
return;
}
- if (accRb->Format == MESA_FORMAT_SIGNED_RGBA_16) {
+ if (accRb->Format == MESA_FORMAT_RGBA_SNORM16) {
const GLshort incr = (GLshort) (value * 32767.0f);
- GLuint i, j;
+ GLint i, j;
if (bias) {
for (j = 0; j < height; j++) {
GLshort *acc = (GLshort *) accMap;
return;
}
- if (accRb->Format == MESA_FORMAT_SIGNED_RGBA_16) {
+ if (accRb->Format == MESA_FORMAT_RGBA_SNORM16) {
const GLfloat scale = value * 32767.0f;
- GLuint i, j;
+ GLint i, j;
GLfloat (*rgba)[4];
- rgba = (GLfloat (*)[4]) malloc(width * 4 * sizeof(GLfloat));
+ rgba = malloc(width * 4 * sizeof(GLfloat));
if (rgba) {
for (j = 0; j < height; j++) {
GLshort *acc = (GLshort *) accMap;
continue;
}
- if (accRb->Format == MESA_FORMAT_SIGNED_RGBA_16) {
+ if (accRb->Format == MESA_FORMAT_RGBA_SNORM16) {
const GLfloat scale = value / 32767.0f;
GLint i, j;
GLfloat (*rgba)[4], (*dest)[4];
- rgba = (GLfloat (*)[4]) malloc(width * 4 * sizeof(GLfloat));
- dest = (GLfloat (*)[4]) malloc(width * 4 * sizeof(GLfloat));
+ rgba = malloc(width * 4 * sizeof(GLfloat));
+ dest = malloc(width * 4 * sizeof(GLfloat));
if (rgba && dest) {
for (j = 0; j < height; j++) {
* signed 16-bit color channels could implement hardware accumulation
* operations, but no driver does so at this time.
*/
-void
-_mesa_accum(struct gl_context *ctx, GLenum op, GLfloat value)
+static void
+accum(struct gl_context *ctx, GLenum op, GLfloat value)
{
GLint xpos, ypos, width, height;
if (!_mesa_check_conditional_render(ctx))
return;
+ _mesa_update_draw_buffer_bounds(ctx, ctx->DrawBuffer);
+
xpos = ctx->DrawBuffer->_Xmin;
ypos = ctx->DrawBuffer->_Ymin;
width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin;
accum_return(ctx, value, xpos, ypos, width, height);
break;
default:
- _mesa_problem(ctx, "invalid mode in _mesa_accum()");
+ unreachable("invalid mode in _mesa_Accum()");
+ break;
+ }
+}
+
+
+void
+_mesa_init_accum( struct gl_context *ctx )
+{
+ /* Accumulate buffer group */
+ ASSIGN_4V( ctx->Accum.ClearColor, 0.0, 0.0, 0.0, 0.0 );
+}
+
+
+void GLAPIENTRY
+_mesa_Accum( GLenum op, GLfloat value )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ FLUSH_VERTICES(ctx, 0);
+
+ switch (op) {
+ case GL_ADD:
+ case GL_MULT:
+ case GL_ACCUM:
+ case GL_LOAD:
+ case GL_RETURN:
+ /* OK */
break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glAccum(op)");
+ return;
+ }
+
+ if (ctx->DrawBuffer->Visual.haveAccumBuffer == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glAccum(no accum buffer)");
+ return;
+ }
+
+ if (ctx->DrawBuffer != ctx->ReadBuffer) {
+ /* See GLX_SGI_make_current_read or WGL_ARB_make_current_read,
+ * or GL_EXT_framebuffer_blit.
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glAccum(different read/draw buffers)");
+ return;
+ }
+
+ if (ctx->NewState)
+ _mesa_update_state(ctx);
+
+ if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "glAccum(incomplete framebuffer)");
+ return;
+ }
+
+ if (ctx->RasterDiscard)
+ return;
+
+ if (ctx->RenderMode == GL_RENDER) {
+ accum(ctx, op, value);
}
}
projects / mesa.git / blobdiff