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authorKeith Whitwell <keith@tungstengraphics.com>2001-03-19 02:25:35 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2001-03-19 02:25:35 +0000
commit709892459922a32096fe9dd8261d0d92337bb02f (patch)
tree87782215d4531207c97b236a5dfa0d15c45aef8a /src/mesa/swrast/s_readpix.c
parentd9bf6ccce9f5fea22d6a478c4afafea3c3c525c5 (diff)
Split driver struct into swrast/tnl/core components.
Diffstat (limited to 'src/mesa/swrast/s_readpix.c')
-rw-r--r--src/mesa/swrast/s_readpix.c32
1 files changed, 20 insertions, 12 deletions
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index a24c44bebe..d95bba64c8 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -1,4 +1,4 @@
-/* $Id: s_readpix.c,v 1.10 2001/03/12 00:48:42 gareth Exp $ */
+/* $Id: s_readpix.c,v 1.11 2001/03/19 02:25:36 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -53,6 +53,7 @@ read_index_pixels( GLcontext *ctx,
GLenum type, GLvoid *pixels,
const struct gl_pixelstore_attrib *packing )
{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLint i, readWidth;
/* error checking */
@@ -61,8 +62,8 @@ read_index_pixels( GLcontext *ctx,
return;
}
- ASSERT(ctx->Driver.SetReadBuffer);
- (*ctx->Driver.SetReadBuffer)(ctx, ctx->ReadBuffer,
+ ASSERT(swrast->Driver.SetReadBuffer);
+ (*swrast->Driver.SetReadBuffer)(ctx, ctx->ReadBuffer,
ctx->Pixel.DriverReadBuffer);
readWidth = (width > MAX_WIDTH) ? MAX_WIDTH : width;
@@ -72,7 +73,7 @@ read_index_pixels( GLcontext *ctx,
GLuint index[MAX_WIDTH];
GLvoid *dest;
- (*ctx->Driver.ReadCI32Span)(ctx, readWidth, x, y + i, index);
+ (*swrast->Driver.ReadCI32Span)(ctx, readWidth, x, y + i, index);
dest = _mesa_image_address(packing, pixels, width, height,
GL_COLOR_INDEX, type, 0, i, 0);
@@ -81,7 +82,7 @@ read_index_pixels( GLcontext *ctx,
&ctx->Pack, ctx->_ImageTransferState);
}
- (*ctx->Driver.SetReadBuffer)(ctx, ctx->DrawBuffer,
+ (*swrast->Driver.SetReadBuffer)(ctx, ctx->DrawBuffer,
ctx->Color.DriverDrawBuffer);
}
@@ -221,6 +222,7 @@ read_fast_rgba_pixels( GLcontext *ctx,
GLvoid *pixels,
const struct gl_pixelstore_attrib *packing )
{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
/* can't do scale, bias, mapping, etc */
if (ctx->_ImageTransferState)
return GL_FALSE;
@@ -283,7 +285,7 @@ read_fast_rgba_pixels( GLcontext *ctx,
+ (skipRows * rowLength + skipPixels) * 4;
GLint row;
for (row=0; row<readHeight; row++) {
- (*ctx->Driver.ReadRGBASpan)(ctx, readWidth, srcX, srcY,
+ (*swrast->Driver.ReadRGBASpan)(ctx, readWidth, srcX, srcY,
(GLchan (*)[4]) dest);
if (ctx->DrawBuffer->UseSoftwareAlphaBuffers) {
_mesa_read_alpha_span(ctx, readWidth, srcX, srcY,
@@ -313,15 +315,16 @@ read_rgba_pixels( GLcontext *ctx,
GLenum format, GLenum type, GLvoid *pixels,
const struct gl_pixelstore_attrib *packing )
{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLint readWidth;
- (*ctx->Driver.SetReadBuffer)(ctx, ctx->ReadBuffer, ctx->Pixel.DriverReadBuffer);
+ (*swrast->Driver.SetReadBuffer)(ctx, ctx->ReadBuffer, ctx->Pixel.DriverReadBuffer);
/* Try optimized path first */
if (read_fast_rgba_pixels( ctx, x, y, width, height,
format, type, pixels, packing )) {
- (*ctx->Driver.SetReadBuffer)(ctx, ctx->DrawBuffer, ctx->Color.DriverDrawBuffer);
+ (*swrast->Driver.SetReadBuffer)(ctx, ctx->DrawBuffer, ctx->Color.DriverDrawBuffer);
return; /* done! */
}
@@ -387,7 +390,7 @@ read_rgba_pixels( GLcontext *ctx,
}
else {
GLuint index[MAX_WIDTH];
- (*ctx->Driver.ReadCI32Span)(ctx, readWidth, x, y, index);
+ (*swrast->Driver.ReadCI32Span)(ctx, readWidth, x, y, index);
if (ctx->Pixel.IndexShift != 0 || ctx->Pixel.IndexOffset !=0 ) {
_mesa_map_ci(ctx, readWidth, index);
}
@@ -433,7 +436,7 @@ read_rgba_pixels( GLcontext *ctx,
}
else {
GLuint index[MAX_WIDTH];
- (*ctx->Driver.ReadCI32Span)(ctx, readWidth, x, y, index);
+ (*swrast->Driver.ReadCI32Span)(ctx, readWidth, x, y, index);
if (ctx->Pixel.IndexShift != 0 || ctx->Pixel.IndexOffset != 0) {
_mesa_map_ci(ctx, readWidth, index);
}
@@ -465,7 +468,7 @@ read_rgba_pixels( GLcontext *ctx,
}
}
- (*ctx->Driver.SetReadBuffer)(ctx, ctx->DrawBuffer, ctx->Color.DriverDrawBuffer);
+ (*swrast->Driver.SetReadBuffer)(ctx, ctx->DrawBuffer, ctx->Color.DriverDrawBuffer);
}
@@ -477,11 +480,14 @@ _swrast_ReadPixels( GLcontext *ctx,
const struct gl_pixelstore_attrib *pack,
GLvoid *pixels )
{
+ SWcontext *swrast = SWRAST_CONTEXT(ctx);
(void) pack;
- if (SWRAST_CONTEXT(ctx)->NewState)
+ if (swrast->NewState)
_swrast_validate_derived( ctx );
+ RENDER_START(swrast,ctx);
+
switch (format) {
case GL_COLOR_INDEX:
read_index_pixels(ctx, x, y, width, height, type, pixels, &ctx->Pack);
@@ -509,4 +515,6 @@ _swrast_ReadPixels( GLcontext *ctx,
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glReadPixels(format)" );
}
+
+ RENDER_FINISH(swrast,ctx);
}