aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/swrast/s_drawpix.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2015-02-22 14:31:16 +0100
committermarha <marha@users.sourceforge.net>2015-02-22 14:31:16 +0100
commitf1c2db43dcf35d2cf4715390bd2391c28e42a8c2 (patch)
tree46b537271afe0f6534231b1bd4cc4f91ae1fb446 /mesalib/src/mesa/swrast/s_drawpix.c
parent5e5a48ff8cd08f123601cd0625ca62a86675aac9 (diff)
downloadvcxsrv-f1c2db43dcf35d2cf4715390bd2391c28e42a8c2.tar.gz
vcxsrv-f1c2db43dcf35d2cf4715390bd2391c28e42a8c2.tar.bz2
vcxsrv-f1c2db43dcf35d2cf4715390bd2391c28e42a8c2.zip
xwininfo fontconfig libX11 libXdmcp libfontenc libxcb libxcb/xcb-proto mesalib xserver xkeyboard-config mkfontscale git update 22 Feb 2015
xserver commit 3a06faf3fcdb7451125a46181f9152e8e59e9770 libxcb commit e3ec1f74637237ce500dfd0ca59f2e422da4e019 libxcb/xcb-proto commit 4c550465934164aab2449a125f75f4ca07816233 xkeyboard-config commit 26f344c93f8c6141e9233eb68088ba4fd56bc9ef libX11 commit c8e19b393defd53f046ddc2da3a16881221b3c34 libXdmcp commit 9f4cac7656b221ce2a8f97e7bd31e5e23126d001 libfontenc commit de1843aaf76015c9d99416f3122d169fe331b849 mkfontscale commit 87d628f8eec170ec13bb9feefb1ce05aed07d1d6 xwininfo commit 0c49f8f2bd56b1e77721e81030ea948386dcdf4e fontconfig commit d6d5adeb7940c0d0beb86489c2a1c2ce59e5c044 mesa commit 4359954d842caa2a9f8d4b50d70ecc789884b68b
Diffstat (limited to 'mesalib/src/mesa/swrast/s_drawpix.c')
-rw-r--r--mesalib/src/mesa/swrast/s_drawpix.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/mesalib/src/mesa/swrast/s_drawpix.c b/mesalib/src/mesa/swrast/s_drawpix.c
index f7926e426..c99251904 100644
--- a/mesalib/src/mesa/swrast/s_drawpix.c
+++ b/mesalib/src/mesa/swrast/s_drawpix.c
@@ -29,6 +29,8 @@
#include "main/condrender.h"
#include "main/context.h"
#include "main/format_pack.h"
+#include "main/format_utils.h"
+#include "main/glformats.h"
#include "main/image.h"
#include "main/imports.h"
#include "main/macros.h"
@@ -414,7 +416,6 @@ draw_rgba_pixels( struct gl_context *ctx, GLint x, GLint y,
{
const GLint imgX = x, imgY = y;
const GLboolean zoom = ctx->Pixel.ZoomX!=1.0 || ctx->Pixel.ZoomY!=1.0;
- GLfloat *convImage = NULL;
GLbitfield transferOps = ctx->_ImageTransferState;
SWspan span;
@@ -452,6 +453,28 @@ draw_rgba_pixels( struct gl_context *ctx, GLint x, GLint y,
GLint skipPixels = 0;
/* use span array for temp color storage */
GLfloat *rgba = (GLfloat *) span.array->attribs[VARYING_SLOT_COL0];
+ void *tempImage = NULL;
+
+ if (unpack->SwapBytes) {
+ /* We have to handle byte-swapping scenarios before calling
+ * _mesa_format_convert
+ */
+ GLint swapSize = _mesa_sizeof_packed_type(type);
+ if (swapSize == 2 || swapSize == 4) {
+ int components = _mesa_components_in_format(format);
+ int elementCount = width * height * components;
+ tempImage = malloc(elementCount * swapSize);
+ if (!tempImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+ return;
+ }
+ if (swapSize == 2)
+ _mesa_swap2_copy(tempImage, (GLushort *) pixels, elementCount);
+ else
+ _mesa_swap4_copy(tempImage, (GLuint *) pixels, elementCount);
+ pixels = tempImage;
+ }
+ }
/* if the span is wider than SWRAST_MAX_WIDTH we have to do it in chunks */
while (skipPixels < width) {
@@ -462,11 +485,15 @@ draw_rgba_pixels( struct gl_context *ctx, GLint x, GLint y,
type, 0, skipPixels);
GLint row;
+ /* get image row as float/RGBA */
+ uint32_t srcMesaFormat = _mesa_format_from_format_and_type(format, type);
for (row = 0; row < height; row++) {
- /* get image row as float/RGBA */
- _mesa_unpack_color_span_float(ctx, spanWidth, GL_RGBA, rgba,
- format, type, source, unpack,
- transferOps);
+ int dstRowStride = 4 * width * sizeof(float);
+ _mesa_format_convert(rgba, RGBA32_FLOAT, dstRowStride,
+ (void*)source, srcMesaFormat, srcStride,
+ spanWidth, 1, NULL);
+ if (transferOps)
+ _mesa_apply_rgba_transfer_ops(ctx, transferOps, spanWidth, (GLfloat (*)[4])rgba);
/* Set these for each row since the _swrast_write_* functions
* may change them while clipping/rendering.
*/
@@ -491,9 +518,9 @@ draw_rgba_pixels( struct gl_context *ctx, GLint x, GLint y,
/* XXX this is ugly/temporary, to undo above change */
span.array->ChanType = CHAN_TYPE;
- }
- free(convImage);
+ free(tempImage);
+ }
swrast_render_finish(ctx);
}