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GLSL: Support GL_EXT_shader_image_load_formatted.

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Hans-Kristian Arntzen 2021-04-20 13:32:41 +02:00
parent 3cb8e7c223
commit f93a8fb1fe
3 changed files with 37 additions and 0 deletions
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12
reference/shaders-no-opt/comp/image-load-formatted.comp Normal file
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@ -0,0 +1,12 @@
#version 450
#extension GL_EXT_shader_image_load_formatted : require
layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in;
layout(binding = 0) uniform image2D img;
void main()
{
vec4 v = imageLoad(img, ivec2(gl_GlobalInvocationID.xy));
imageStore(img, ivec2(gl_GlobalInvocationID.xy), v + vec4(1.0));
}

11
shaders-no-opt/comp/image-load-formatted.comp Normal file
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@ -0,0 +1,11 @@
#version 450
#extension GL_EXT_shader_image_load_formatted : require
layout(local_size_x = 8, local_size_y = 8) in;
layout(binding = 0) uniform image2D img;
void main()
{
vec4 v = imageLoad(img, ivec2(gl_GlobalInvocationID.xy));
imageStore(img, ivec2(gl_GlobalInvocationID.xy), v + 1.0);
}

14
spirv_glsl.cpp
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@ -12816,10 +12816,24 @@ string CompilerGLSL::to_qualifiers_glsl(uint32_t id)
res += "coherent ";
if (flags.get(DecorationRestrict))
res += "restrict ";
if (flags.get(DecorationNonWritable))
res += "readonly ";
bool formatted_load = type.image.format == ImageFormatUnknown;
if (flags.get(DecorationNonReadable))
{
res += "writeonly ";
formatted_load = false;
}
if (formatted_load)
{
if (!options.es)
require_extension_internal("GL_EXT_shader_image_load_formatted");
else
SPIRV_CROSS_THROW("Cannot use GL_EXT_shader_image_load_formatted in ESSL.");
}
}
res += to_precision_qualifiers_glsl(id);