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-rw-r--r--src/mesa/state_tracker/st_cb_drawpixels.c76
1 files changed, 44 insertions, 32 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index c0e0484042b..de7d1f6489a 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -975,6 +975,7 @@ st_DrawPixels(struct gl_context *ctx, GLint x, GLint y,
int num_sampler_view = 1;
struct gl_pixelstore_attrib clippedUnpack;
struct st_fp_variant *fpv = NULL;
+ struct pipe_resource *pt;
/* Mesa state should be up to date by now */
assert(ctx->NewState == 0x0);
@@ -1030,42 +1031,53 @@ st_DrawPixels(struct gl_context *ctx, GLint x, GLint y,
st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
}
- /* draw with textured quad */
- {
- struct pipe_resource *pt
- = make_texture(st, width, height, format, type, unpack, pixels);
- if (pt) {
- sv[0] = st_create_texture_sampler_view(st->pipe, pt);
-
- if (sv[0]) {
- /* Create a second sampler view to read stencil.
- * The stencil is written using the shader stencil export
- * functionality. */
- if (write_stencil) {
- enum pipe_format stencil_format =
- util_format_stencil_only(pt->format);
- /* we should not be doing pixel map/transfer (see above) */
- assert(num_sampler_view == 1);
- sv[1] = st_create_texture_sampler_view_format(st->pipe, pt,
- stencil_format);
- num_sampler_view++;
- }
+ /* Put glDrawPixels image into a texture */
+ pt = make_texture(st, width, height, format, type, unpack, pixels);
+ if (!pt) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+ return;
+ }
- draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
- width, height,
- ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
- sv,
- num_sampler_view,
- driver_vp,
- driver_fp, fpv,
- color, GL_FALSE, write_depth, write_stencil);
- pipe_sampler_view_reference(&sv[0], NULL);
- if (num_sampler_view > 1)
- pipe_sampler_view_reference(&sv[1], NULL);
- }
+ /* create sampler view for the image */
+ sv[0] = st_create_texture_sampler_view(st->pipe, pt);
+ if (!sv[0]) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+ pipe_resource_reference(&pt, NULL);
+ return;
+ }
+
+ /* Create a second sampler view to read stencil. The stencil is
+ * written using the shader stencil export functionality.
+ */
+ if (write_stencil) {
+ enum pipe_format stencil_format =
+ util_format_stencil_only(pt->format);
+ /* we should not be doing pixel map/transfer (see above) */
+ assert(num_sampler_view == 1);
+ sv[1] = st_create_texture_sampler_view_format(st->pipe, pt,
+ stencil_format);
+ if (!sv[1]) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
pipe_resource_reference(&pt, NULL);
+ pipe_sampler_view_reference(&sv[0], NULL);
+ return;
}
+ num_sampler_view++;
}
+
+ draw_textured_quad(ctx, x, y, ctx->Current.RasterPos[2],
+ width, height,
+ ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
+ sv,
+ num_sampler_view,
+ driver_vp,
+ driver_fp, fpv,
+ color, GL_FALSE, write_depth, write_stencil);
+ pipe_sampler_view_reference(&sv[0], NULL);
+ if (num_sampler_view > 1)
+ pipe_sampler_view_reference(&sv[1], NULL);
+
+ pipe_resource_reference(&pt, NULL);
}