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authorameerj <52414509+ameerj@users.noreply.github.com>2021-06-15 05:33:26 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:38 +0200
commit3b339fbbf65a50ec2ec8baacd175ca7577c3b8bd (patch)
tree76ca69181eeb90c2fd2adf8defc68ddc7d8b135e /src
parentglsl: Cleanup/Address feedback (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/shader_recompiler/backend/glsl/emit_context.cpp3
-rw-r--r--src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp28
-rw-r--r--src/shader_recompiler/profile.h1
-rw-r--r--src/video_core/renderer_opengl/gl_shader_cache.cpp1
4 files changed, 29 insertions, 4 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index e18f8257e..0e8fe017d 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -395,6 +395,9 @@ void EmitContext::SetupExtensions() {
if (info.uses_typeless_image_reads || info.uses_typeless_image_writes) {
header += "#extension GL_EXT_shader_image_load_formatted : enable\n";
}
+ if (info.uses_derivatives && profile.support_gl_derivative_control) {
+ header += "#extension GL_ARB_derivative_control : enable\n";
+ }
}
void EmitContext::DefineConstantBuffers(Bindings& bindings) {
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
index 4d418cbbc..a982dd8a2 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
@@ -180,18 +180,38 @@ void EmitFSwizzleAdd(EmitContext& ctx, IR::Inst& inst, std::string_view op_a, st
}
void EmitDPdxFine(EmitContext& ctx, IR::Inst& inst, std::string_view op_a) {
- ctx.AddF32("{}=dFdxFine({});", inst, op_a);
+ if (ctx.profile.support_gl_derivative_control) {
+ ctx.AddF32("{}=dFdxFine({});", inst, op_a);
+ } else {
+ LOG_WARNING(Shader_GLSL, "Device does not support dFdxFine, fallback to dFdx");
+ ctx.AddF32("{}=dFdx({});", inst, op_a);
+ }
}
void EmitDPdyFine(EmitContext& ctx, IR::Inst& inst, std::string_view op_a) {
- ctx.AddF32("{}=dFdyFine({});", inst, op_a);
+ if (ctx.profile.support_gl_derivative_control) {
+ ctx.AddF32("{}=dFdyFine({});", inst, op_a);
+ } else {
+ LOG_WARNING(Shader_GLSL, "Device does not support dFdyFine, fallback to dFdy");
+ ctx.AddF32("{}=dFdy({});", inst, op_a);
+ }
}
void EmitDPdxCoarse(EmitContext& ctx, IR::Inst& inst, std::string_view op_a) {
- ctx.AddF32("{}=dFdxCoarse({});", inst, op_a);
+ if (ctx.profile.support_gl_derivative_control) {
+ ctx.AddF32("{}=dFdxCoarse({});", inst, op_a);
+ } else {
+ LOG_WARNING(Shader_GLSL, "Device does not support dFdxCoarse, fallback to dFdx");
+ ctx.AddF32("{}=dFdx({});", inst, op_a);
+ }
}
void EmitDPdyCoarse(EmitContext& ctx, IR::Inst& inst, std::string_view op_a) {
- ctx.AddF32("{}=dFdyCoarse({});", inst, op_a);
+ if (ctx.profile.support_gl_derivative_control) {
+ ctx.AddF32("{}=dFdyCoarse({});", inst, op_a);
+ } else {
+ LOG_WARNING(Shader_GLSL, "Device does not support dFdyCoarse, fallback to dFdy");
+ ctx.AddF32("{}=dFdy({});", inst, op_a);
+ }
}
} // namespace Shader::Backend::GLSL
diff --git a/src/shader_recompiler/profile.h b/src/shader_recompiler/profile.h
index 6db794e91..e8cfc03af 100644
--- a/src/shader_recompiler/profile.h
+++ b/src/shader_recompiler/profile.h
@@ -89,6 +89,7 @@ struct Profile {
bool support_gl_warp_intrinsics{};
bool support_gl_variable_aoffi{};
bool support_gl_sparse_textures{};
+ bool support_gl_derivative_control{};
bool warp_size_potentially_larger_than_guest{};
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 5ffe28d45..fedbce2f0 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -187,6 +187,7 @@ ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindo
.support_gl_warp_intrinsics = false,
.support_gl_variable_aoffi = device.HasVariableAoffi(),
.support_gl_sparse_textures = device.HasSparseTexture2(),
+ .support_gl_derivative_control = device.HasDerivativeControl(),
.warp_size_potentially_larger_than_guest = device.IsWarpSizePotentiallyLargerThanGuest(),