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st/mesa: skip glDrawPixels if it's totally clipped for all codepaths

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Reviewed-by: Zoltán Böszörményi <zboszor@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7720>
This commit is contained in:
Marek Olšák 2020-10-11 21:27:21 -04:00
parent 004c92096c
commit 7de1468932
1 changed files with 8 additions and 10 deletions
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18
src/mesa/state_tracker/st_cb_drawpixels.c
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@ -957,14 +957,6 @@ draw_stencil_pixels(struct gl_context *ctx, GLint x, GLint y,
GLubyte *sValues;
GLuint *zValues;
if (!zoom) {
if (!_mesa_clip_drawpixels(ctx, &x, &y, &width, &height,
&clippedUnpack)) {
/* totally clipped */
return;
}
}
strb = st_renderbuffer(ctx->DrawBuffer->
Attachment[BUFFER_STENCIL].Renderbuffer);
@ -1320,12 +1312,18 @@ st_DrawPixels(struct gl_context *ctx, GLint x, GLint y,
st_validate_state(st, ST_PIPELINE_META);
clippedUnpack = *unpack;
unpack = &clippedUnpack;
/* Skip totally clipped DrawPixels. */
if (ctx->Pixel.ZoomX == 1 && ctx->Pixel.ZoomY == 1 &&
!_mesa_clip_drawpixels(ctx, &x, &y, &width, &height, &clippedUnpack))
return;
/* Limit the size of the glDrawPixels to the max texture size.
* Strictly speaking, that's not correct but since we don't handle
* larger images yet, this is better than crashing.
*/
clippedUnpack = *unpack;
unpack = &clippedUnpack;
clamp_size(st, &width, &height, &clippedUnpack);
if (format == GL_DEPTH_STENCIL)