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authorKrzysztof Raszkowski <[email protected]>2019-05-31 13:33:32 +0200
committerKrzysztof Raszkowski <[email protected]>2019-06-05 15:26:47 +0000
commit4ff02b3edddbb4024c6dc349973f60f5ba4886d6 (patch)
treef4e7c7ef518e5acee71a8111dea56fc2a8e6924c
parent755fdd6f9dca0d1906639bd9e1028f54b4e76e59 (diff)
swr: fix support for GL_ARB_copy_image extension
This commit fix support and adjusts the capabilities returned by the SWR driver and the documentation to correctly report the GL_ARB_copy_image extension. Reviewed-by: Alok Hota <[email protected]>
-rw-r--r--docs/features.txt2
-rw-r--r--src/gallium/drivers/swr/swr_screen.cpp17
2 files changed, 17 insertions, 2 deletions
diff --git a/docs/features.txt b/docs/features.txt
index f379f53bf2f..06f8edb94ca 100644
--- a/docs/features.txt
+++ b/docs/features.txt
@@ -171,7 +171,7 @@ GL 4.3, GLSL 4.30 -- all DONE: i965/gen8+, nvc0, r600, radeonsi, virgl
GL_ARB_ES3_compatibility DONE (all drivers that support GLSL 3.30)
GL_ARB_clear_buffer_object DONE (all drivers)
GL_ARB_compute_shader DONE (freedreno/a5xx+, i965, softpipe)
- GL_ARB_copy_image DONE (i965, nv50, softpipe, llvmpipe)
+ GL_ARB_copy_image DONE (i965, nv50, softpipe, llvmpipe, swr)
GL_KHR_debug DONE (all drivers)
GL_ARB_explicit_uniform_location DONE (all drivers that support GLSL)
GL_ARB_fragment_layer_viewport DONE (i965, nv50, llvmpipe, softpipe)
diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp
index 0164611a508..5789af152fb 100644
--- a/src/gallium/drivers/swr/swr_screen.cpp
+++ b/src/gallium/drivers/swr/swr_screen.cpp
@@ -152,6 +152,21 @@ swr_is_format_supported(struct pipe_screen *_screen,
return FALSE;
}
+ if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
+ ((bind & PIPE_BIND_DISPLAY_TARGET) == 0)) {
+ /* Disable all 3-channel formats, where channel size != 32 bits.
+ * In some cases we run into crashes (in generate_unswizzled_blend()),
+ * for 3-channel RGB16 variants, there was an apparent LLVM bug.
+ * In any case, disabling the shallower 3-channel formats avoids a
+ * number of issues with GL_ARB_copy_image support.
+ */
+ if (format_desc->is_array &&
+ format_desc->nr_channels == 3 &&
+ format_desc->block.bits != 96) {
+ return FALSE;
+ }
+ }
+
return TRUE;
}
@@ -257,6 +272,7 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_CUBE_MAP_ARRAY:
case PIPE_CAP_DOUBLES:
case PIPE_CAP_TEXTURE_QUERY_LOD:
+ case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
return 1;
/* MSAA support
@@ -300,7 +316,6 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TGSI_TXQS:
case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
case PIPE_CAP_SHAREABLE_SHADERS:
- case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
case PIPE_CAP_DRAW_PARAMETERS:
case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
case PIPE_CAP_MULTI_DRAW_INDIRECT: