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mesa: Add GL/GLSL plumbing for ARB_fragment_shader_interlock.

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This extension provides new GLSL built-in functions
beginInvocationInterlockARB() and endInvocationInterlockARB()
that delimit a critical section of fragment shader code. For
pairs of shader invocations with "overlapping" coverage in a
given pixel, the OpenGL implementation will guarantee that the
critical section of the fragment shader will be executed for
only one fragment at a time.

Signed-off-by: Plamena Manolova <plamena.manolova@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Plamena Manolova
2018-04-27 14:12:30 +01:00
parent 53719f818c
commit 60e843c4d5
14 changed files with 197 additions and 1 deletions
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7
src/compiler/glsl/glsl_parser_extras.h
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@@ -639,6 +639,8 @@ struct _mesa_glsl_parse_state {
bool ARB_fragment_coord_conventions_warn;
bool ARB_fragment_layer_viewport_enable;
bool ARB_fragment_layer_viewport_warn;
bool ARB_fragment_shader_interlock_enable;
bool ARB_fragment_shader_interlock_warn;
bool ARB_gpu_shader5_enable;
bool ARB_gpu_shader5_warn;
bool ARB_gpu_shader_fp64_enable;
@@ -833,6 +835,11 @@ struct _mesa_glsl_parse_state {
bool fs_post_depth_coverage;
bool fs_pixel_interlock_ordered;
bool fs_pixel_interlock_unordered;
bool fs_sample_interlock_ordered;
bool fs_sample_interlock_unordered;
unsigned fs_blend_support;
/**