/*
* Mesa 3-D graphics library
- * Version: 6.5.2
+ * Version: 7.1
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
-#include "glheader.h"
-#include "bufferobj.h"
-#include "context.h"
-#include "convolve.h"
-#include "image.h"
-#include "macros.h"
-#include "imports.h"
-#include "pixel.h"
-#include "state.h"
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/convolve.h"
+#include "main/image.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/pixel.h"
+#include "main/state.h"
#include "s_context.h"
-#include "s_drawpix.h"
#include "s_span.h"
#include "s_stencil.h"
#include "s_zoom.h"
const GLvoid *pixels)
{
const GLint imgX = x, imgY = y;
- struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
- const GLenum rbType = rb->DataType;
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
+ GLenum rbType;
SWcontext *swrast = SWRAST_CONTEXT(ctx);
SWspan span;
GLboolean simpleZoom;
struct gl_pixelstore_attrib unpack;
GLint destX, destY, drawWidth, drawHeight; /* post clipping */
+ if (!rb)
+ return GL_TRUE; /* no-op */
+
+ rbType = rb->DataType;
+
if ((swrast->_RasterMask & ~CLIP_BIT) ||
ctx->Texture._EnabledCoordUnits ||
userUnpack->SwapBytes ||
return GL_FALSE;
}
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
- if (ctx->Depth.Test)
- _swrast_span_default_z(ctx, &span);
- if (swrast->_FogEnabled)
- _swrast_span_default_fog(ctx, &span);
- if (ctx->Texture._EnabledCoordUnits)
- _swrast_span_default_texcoords(ctx, &span);
+ INIT_SPAN(span, GL_BITMAP);
+ span.arrayMask = SPAN_RGBA;
+ span.arrayAttribs = FRAG_BIT_COL0;
+ _swrast_span_default_attribs(ctx, &span);
/* copy input params since clipping may change them */
unpack = *userUnpack;
for (row = 0; row < drawHeight; row++) {
ASSERT(drawWidth <= MAX_WIDTH);
_mesa_map_ci8_to_rgba8(ctx, drawWidth, src,
- span.array->color.sz1.rgba);
+ span.array->rgba8);
rb->PutRow(ctx, rb, drawWidth, destX, destY,
- span.array->color.sz1.rgba, NULL);
+ span.array->rgba8, NULL);
src += unpack.RowLength;
destY += yStep;
}
for (row = 0; row < drawHeight; row++) {
ASSERT(drawWidth <= MAX_WIDTH);
_mesa_map_ci8_to_rgba8(ctx, drawWidth, src,
- span.array->color.sz1.rgba);
+ span.array->rgba8);
span.x = destX;
span.y = destY;
span.end = drawWidth;
_swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
- span.array->color.sz1.rgba);
+ span.array->rgba8);
src += unpack.RowLength;
destY++;
}
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLint imgX = x, imgY = y;
const GLboolean zoom = ctx->Pixel.ZoomX!=1.0 || ctx->Pixel.ZoomY!=1.0;
GLint row, skipPixels;
SWspan span;
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_INDEX);
-
- if (ctx->Depth.Test)
- _swrast_span_default_z(ctx, &span);
- if (swrast->_FogEnabled)
- _swrast_span_default_fog(ctx, &span);
+ INIT_SPAN(span, GL_BITMAP);
+ span.arrayMask = SPAN_INDEX;
+ _swrast_span_default_attribs(ctx, &span);
/*
* General solution
width, height,
GL_COLOR_INDEX, type,
row, skipPixels);
- _mesa_unpack_index_span(ctx, spanWidth, destType, values,
- type, source, unpack,
- ctx->_ImageTransferState);
- _mesa_apply_stencil_transfer_ops(ctx, spanWidth, values);
+ _mesa_unpack_stencil_span(ctx, spanWidth, destType, values,
+ type, source, unpack,
+ ctx->_ImageTransferState);
if (zoom) {
_swrast_write_zoomed_stencil_span(ctx, x, y, spanWidth,
spanX, spanY, values);
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLboolean scaleOrBias
= ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0;
SWspan span;
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_Z);
-
- _swrast_span_default_color(ctx, &span);
-
- if (swrast->_FogEnabled)
- _swrast_span_default_fog(ctx, &span);
- if (ctx->Texture._EnabledCoordUnits)
- _swrast_span_default_texcoords(ctx, &span);
+ INIT_SPAN(span, GL_BITMAP);
+ span.arrayMask = SPAN_Z;
+ _swrast_span_default_attribs(ctx, &span);
if (type == GL_UNSIGNED_SHORT
&& ctx->DrawBuffer->Visual.depthBits == 16
}
else {
/* General case */
- const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
+ const GLuint depthMax = ctx->DrawBuffer->_DepthMax;
GLint skipPixels = 0;
/* in case width > MAX_WIDTH do the copy in chunks */
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLint imgX = x, imgY = y;
const GLboolean zoom = ctx->Pixel.ZoomX!=1.0 || ctx->Pixel.ZoomY!=1.0;
GLfloat *convImage = NULL;
/* Try an optimized glDrawPixels first */
if (fast_draw_rgba_pixels(ctx, x, y, width, height, format, type,
- unpack, pixels))
+ unpack, pixels)) {
return;
+ }
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
- if (ctx->Depth.Test)
- _swrast_span_default_z(ctx, &span);
- if (swrast->_FogEnabled)
- _swrast_span_default_fog(ctx, &span);
- if (ctx->Texture._EnabledCoordUnits)
- _swrast_span_default_texcoords(ctx, &span);
+ INIT_SPAN(span, GL_BITMAP);
+ _swrast_span_default_attribs(ctx, &span);
+ span.arrayMask = SPAN_RGBA;
+ span.arrayAttribs = FRAG_BIT_COL0; /* we're fill in COL0 attrib values */
if (ctx->Pixel.Convolution2DEnabled || ctx->Pixel.Separable2DEnabled) {
/* Convolution has to be handled specially. We'll create an
IMAGE_POST_CONVOLUTION_SCALE_BIAS);
}
- if (ctx->DrawBuffer->_NumColorDrawBuffers[0] > 0 &&
- ctx->DrawBuffer->_ColorDrawBuffers[0][0]->DataType != GL_FLOAT &&
+ if (ctx->DrawBuffer->_NumColorDrawBuffers > 0 &&
+ ctx->DrawBuffer->_ColorDrawBuffers[0]->DataType != GL_FLOAT &&
ctx->Color.ClampFragmentColor != GL_FALSE) {
/* need to clamp colors before applying fragment ops */
transferOps |= IMAGE_CLAMP_BIT;
= _mesa_image_row_stride(unpack, width, format, type);
GLint skipPixels = 0;
/* use span array for temp color storage */
- GLfloat *rgba = (GLfloat *) span.array->color.sz4.rgba;
+ GLfloat *rgba = (GLfloat *) span.array->attribs[FRAG_ATTRIB_COL0];
/* if the span is wider than MAX_WIDTH we have to do it in chunks */
while (skipPixels < width) {
const GLint imgX = x, imgY = y;
const GLboolean scaleOrBias
= ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0;
- const GLfloat depthScale = ctx->DrawBuffer->_DepthMaxF;
+ const GLuint depthMax = ctx->DrawBuffer->_DepthMax;
const GLuint stencilMask = ctx->Stencil.WriteMask[0];
const GLuint stencilType = (STENCIL_BITS == 8) ?
GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT;
/* general case */
GLuint zValues[MAX_WIDTH]; /* 16 or 32-bit Z value storage */
_mesa_unpack_depth_span(ctx, width,
- depthRb->DataType, zValues, depthScale,
+ depthRb->DataType, zValues, depthMax,
type, depthStencilSrc, &clippedUnpack);
if (zoom) {
_swrast_write_zoomed_z_span(ctx, imgX, imgY, width, x,
}
-
/**
* Execute software-based glDrawPixels.
* By time we get here, all error checking will have been done.
const GLvoid *pixels )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ GLboolean save_vp_override = ctx->VertexProgram._Overriden;
- RENDER_START(swrast,ctx);
+ /* We are creating fragments directly, without going through vertex programs.
+ *
+ * This override flag tells the fragment processing code that its input comes
+ * from a non-standard source, and it may therefore not rely on optimizations
+ * that assume e.g. constant color if there is no color vertex array.
+ */
+ _mesa_set_vp_override(ctx, GL_TRUE);
+
+ swrast_render_start(ctx);
if (ctx->NewState)
_mesa_update_state(ctx);
if (swrast->NewState)
_swrast_validate_derived( ctx );
- if (unpack->BufferObj->Name) {
- /* unpack from PBO */
- GLubyte *buf;
- if (!_mesa_validate_pbo_access(2, unpack, width, height, 1,
- format, type, pixels)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glDrawPixels(invalid PBO access)");
- goto end;
- }
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- unpack->BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels(PBO is mapped)");
- goto end;
- }
- pixels = ADD_POINTERS(buf, pixels);
- }
+ pixels = _mesa_map_drawpix_pbo(ctx, unpack, pixels);
+ if (!pixels) {
+ swrast_render_finish(ctx);
+ _mesa_set_vp_override(ctx, save_vp_override);
+ return;
+ }
switch (format) {
case GL_STENCIL_INDEX:
/* don't return yet, clean-up */
}
-end:
+ swrast_render_finish(ctx);
+ _mesa_set_vp_override(ctx, save_vp_override);
- RENDER_FINISH(swrast,ctx);
-
- if (unpack->BufferObj->Name) {
- /* done with PBO so unmap it now */
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- unpack->BufferObj);
- }
+ _mesa_unmap_drawpix_pbo(ctx, unpack);
}
if (swrast->NewState)
_swrast_validate_derived( ctx );
- RENDER_START(swrast,ctx);
+ swrast_render_start(ctx);
switch (colorFormat) {
case GL_COLOR_INDEX:
_mesa_problem(ctx, "unexpected format in glDrawDepthPixelsMESA");
}
- RENDER_FINISH(swrast,ctx);
+ swrast_render_finish(ctx);
}
#endif