summaryrefslogtreecommitdiff
path: root/src/mesa/swrast/s_copypix.c
diff options
context:
space:
mode:
authorBrian Paul <brian.paul@tungstengraphics.com>2005-09-03 16:57:58 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2005-09-03 16:57:58 +0000
commitacafeeb6dce74382fb3a48b83ab72bf67b7581ea (patch)
tree63bae8571a6008628384d37514932bfd17c2f8d4 /src/mesa/swrast/s_copypix.c
parent54be0763e1c24091ba522139e899d0254143ba7d (diff)
Remove last remnants of pre-renderbuffer code.
Diffstat (limited to 'src/mesa/swrast/s_copypix.c')
-rw-r--r--src/mesa/swrast/s_copypix.c52
1 files changed, 1 insertions, 51 deletions
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 7bae7ed99e..cc7c0b2283 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
@@ -133,7 +133,6 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
struct gl_renderbuffer *drawRb = NULL;
GLboolean quick_draw;
GLint row;
- GLboolean changeBuffer;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
const GLuint transferOps = ctx->_ImageTransferState;
GLfloat *dest, *tmpImage, *convImage;
@@ -158,11 +157,6 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
quick_draw = GL_FALSE;
}
- /* If read and draw buffer are different we must do buffer switching */
- changeBuffer = ctx->Pixel.ReadBuffer != ctx->Color.DrawBuffer[0]
- || ctx->DrawBuffer != ctx->ReadBuffer;
-
-
/* allocate space for GLfloat image */
tmpImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
if (!tmpImage) {
@@ -176,11 +170,6 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
return;
}
- if (changeBuffer) {
- /* choose the read buffer */
- _swrast_use_read_buffer(ctx);
- }
-
/* read source image */
dest = tmpImage;
for (row = 0; row < height; row++) {
@@ -193,11 +182,6 @@ copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
dest += 4 * width;
}
- if (changeBuffer) {
- /* restore default src/dst buffer */
- _swrast_use_draw_buffer(ctx);
- }
-
/* do the image transfer ops which preceed convolution */
for (row = 0; row < height; row++) {
GLfloat (*rgba)[4] = (GLfloat (*)[4]) (tmpImage + row * width * 4);
@@ -274,7 +258,6 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
GLchan *tmpImage,*p;
GLboolean quick_draw;
GLint sy, dy, stepy, j;
- GLboolean changeBuffer;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
GLint overlapping;
const GLuint transferOps = ctx->_ImageTransferState;
@@ -331,10 +314,6 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
drawRb = NULL;
}
- /* If read and draw buffer are different we must do buffer switching */
- changeBuffer = ctx->Pixel.ReadBuffer != ctx->Color.DrawBuffer[0]
- || ctx->DrawBuffer != ctx->ReadBuffer;
-
if (overlapping) {
GLint ssy = sy;
tmpImage = (GLchan *) MALLOC(width * height * sizeof(GLchan) * 4);
@@ -342,9 +321,6 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
}
- /* setup source */
- if (changeBuffer)
- _swrast_use_read_buffer(ctx);
/* read the source image */
p = tmpImage;
for (j = 0; j < height; j++, ssy += stepy) {
@@ -353,11 +329,6 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
p += width * 4;
}
p = tmpImage;
- /* restore dest */
- if (changeBuffer) {
- _swrast_use_draw_buffer(ctx);
- changeBuffer = GL_FALSE;
- }
}
else {
tmpImage = NULL; /* silence compiler warnings */
@@ -374,13 +345,9 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
}
else {
/* get from framebuffer */
- if (changeBuffer)
- _swrast_use_read_buffer(ctx);
ASSERT(width < MAX_WIDTH);
_swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer,
width, srcx, sy, span.array->rgba );
- if (changeBuffer)
- _swrast_use_draw_buffer(ctx);
}
if (transferOps) {
@@ -435,7 +402,6 @@ copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
GLuint *tmpImage,*p;
GLint sy, dy, stepy;
GLint j;
- GLboolean changeBuffer;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
const GLboolean shift_or_offset = ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset;
GLint overlapping;
@@ -475,10 +441,6 @@ copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
if (ctx->Fog.Enabled)
_swrast_span_default_fog(ctx, &span);
- /* If read and draw buffer are different we must do buffer switching */
- changeBuffer = ctx->Pixel.ReadBuffer != ctx->Color.DrawBuffer[0]
- || ctx->DrawBuffer != ctx->ReadBuffer;
-
if (overlapping) {
GLint ssy = sy;
tmpImage = (GLuint *) MALLOC(width * height * sizeof(GLuint));
@@ -486,9 +448,6 @@ copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
}
- /* setup source */
- if (changeBuffer)
- _swrast_use_read_buffer(ctx);
/* read the image */
p = tmpImage;
for (j = 0; j < height; j++, ssy += stepy) {
@@ -497,11 +456,6 @@ copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
p += width;
}
p = tmpImage;
- /* restore to draw buffer */
- if (changeBuffer) {
- _swrast_use_draw_buffer(ctx);
- changeBuffer = GL_FALSE;
- }
}
else {
tmpImage = NULL; /* silence compiler warning */
@@ -515,12 +469,8 @@ copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
p += width;
}
else {
- if (changeBuffer)
- _swrast_use_read_buffer(ctx);
_swrast_read_index_span( ctx, ctx->ReadBuffer->_ColorReadBuffer,
width, srcx, sy, span.array->index );
- if (changeBuffer)
- _swrast_use_draw_buffer(ctx);
}
/* Apply shift, offset, look-up table */