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-rw-r--r--src/mesa/swrast/s_bitmap.c34
-rw-r--r--src/mesa/swrast/s_drawpix.c33
-rw-r--r--src/mesa/swrast/s_readpix.c38
3 files changed, 83 insertions, 22 deletions
diff --git a/src/mesa/swrast/s_bitmap.c b/src/mesa/swrast/s_bitmap.c
index 8bd9854f0ca..be728911b69 100644
--- a/src/mesa/swrast/s_bitmap.c
+++ b/src/mesa/swrast/s_bitmap.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.3
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
@@ -29,6 +29,7 @@
*/
#include "glheader.h"
+#include "bufferobj.h"
#include "image.h"
#include "macros.h"
#include "pixel.h"
@@ -54,13 +55,24 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
ASSERT(ctx->RenderMode == GL_RENDER);
- bitmap = (const GLubyte *) _swrast_validate_pbo_access(unpack, width,
- height, 1,
- GL_COLOR_INDEX, GL_BITMAP,
- (GLvoid *) bitmap);
- if (!bitmap) {
- /* XXX GL_INVALID_OPERATION? */
- return;
+ if (unpack->BufferObj->Name) {
+ /* unpack from PBO */
+ GLubyte *buf;
+ if (!_mesa_validate_pbo_access(unpack, width, height, 1,
+ GL_COLOR_INDEX, GL_BITMAP,
+ (GLvoid *) bitmap)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,"glBitmap(invalid PBO access)");
+ return;
+ }
+ 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, "glBitmap(PBO is mapped)");
+ return;
+ }
+ bitmap = ADD_POINTERS(buf, bitmap);
}
RENDER_START(swrast,ctx);
@@ -153,6 +165,12 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py,
}
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);
+ }
}
diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 205022a89d6..00cc5e83c09 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.2
+ * Version: 6.3
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
@@ -24,6 +24,7 @@
#include "glheader.h"
+#include "bufferobj.h"
#include "context.h"
#include "convolve.h"
#include "image.h"
@@ -931,10 +932,25 @@ _swrast_DrawPixels( GLcontext *ctx,
if (swrast->NewState)
_swrast_validate_derived( ctx );
- pixels = _swrast_validate_pbo_access(unpack, width, height, 1,
- format, type, (GLvoid *) pixels);
- if (!pixels)
- return;
+ if (unpack->BufferObj->Name) {
+ /* unpack from PBO */
+ GLubyte *buf;
+ if (!_mesa_validate_pbo_access(unpack, width, height, 1,
+ format, type, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(invalid PBO access)");
+ return;
+ }
+ 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)");
+ return;
+ }
+ pixels = ADD_POINTERS(buf, pixels);
+ }
RENDER_START(swrast,ctx);
@@ -966,9 +982,16 @@ _swrast_DrawPixels( GLcontext *ctx,
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glDrawPixels(format)" );
+ /* don't return yet, clean-up */
}
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);
+ }
}
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 80f737b052a..39fac522786 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.3
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
@@ -24,6 +24,7 @@
#include "glheader.h"
+#include "bufferobj.h"
#include "colormac.h"
#include "convolve.h"
#include "context.h"
@@ -507,15 +508,27 @@ _swrast_ReadPixels( GLcontext *ctx,
if (swrast->NewState)
_swrast_validate_derived( ctx );
- pixels = _swrast_validate_pbo_access(pack, width, height, 1,
- format, type, (GLvoid *) pixels);
-
- if (!pixels) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glReadPixels(pixels)" );
- return;
+ if (pack->BufferObj->Name) {
+ /* pack into PBO */
+ GLubyte *buf;
+ if (!_mesa_validate_pbo_access(pack, width, height, 1,
+ format, type, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glReadPixels(invalid PBO access)");
+ return;
+ }
+ buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ GL_WRITE_ONLY_ARB,
+ pack->BufferObj);
+ if (!buf) {
+ /* buffer is already mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(PBO is mapped)");
+ return;
+ }
+ pixels = ADD_POINTERS(buf, pixels);
}
- RENDER_START(swrast,ctx);
+ RENDER_START(swrast, ctx);
switch (format) {
case GL_COLOR_INDEX:
@@ -543,7 +556,14 @@ _swrast_ReadPixels( GLcontext *ctx,
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glReadPixels(format)" );
+ /* don't return yet, clean-up */
}
- RENDER_FINISH(swrast,ctx);
+ RENDER_FINISH(swrast, ctx);
+
+ if (pack->BufferObj->Name) {
+ /* done with PBO so unmap it now */
+ ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ pack->BufferObj);
+ }
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 22:41:48 +0000