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Differential D15898 Diff 56015 source/blender/draw/intern/shaders/common_smaa_lib.glsl

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source/blender/draw/intern/shaders/common_smaa_lib.glsl

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# define lerp(a, b, t) mix(a, b, t) # define lerp(a, b, t) mix(a, b, t)
# define saturate(a) clamp(a, 0.0, 1.0) # define saturate(a) clamp(a, 0.0, 1.0)
# if defined(SMAA_GLSL_4) # if defined(SMAA_GLSL_4)
# define mad(a, b, c) fma(a, b, c) # define mad(a, b, c) fma(a, b, c)
# define SMAAGather(tex, coord) textureGather(tex, coord) # define SMAAGather(tex, coord) textureGather(tex, coord)
# else # else
# define mad(a, b, c) (a * b + c) # define mad(a, b, c) (a * b + c)
# endif # endif
/* NOTE(Metal): Types already natively declared in MSL. */
# ifndef GPU_METAL
# define float2 vec2 # define float2 vec2
# define float3 vec3 # define float3 vec3
# define float4 vec4 # define float4 vec4
# define int2 ivec2 # define int2 ivec2
# define int3 ivec3 # define int3 ivec3
# define int4 ivec4 # define int4 ivec4
# define bool2 bvec2 # define bool2 bvec2
# define bool3 bvec3 # define bool3 bvec3
# define bool4 bvec4 # define bool4 bvec4
#endif # endif
#endif
/* clang-format off */ /* clang-format off */
#if !defined(SMAA_HLSL_3) && !defined(SMAA_HLSL_4) && !defined(SMAA_HLSL_4_1) && !defined(SMAA_GLSL_3) && !defined(SMAA_GLSL_4) && !defined(SMAA_CUSTOM_SL) #if !defined(SMAA_HLSL_3) && !defined(SMAA_HLSL_4) && !defined(SMAA_HLSL_4_1) && !defined(SMAA_GLSL_3) && !defined(SMAA_GLSL_4) && !defined(SMAA_CUSTOM_SL)
# error you must define the shading language: SMAA_HLSL_*, SMAA_GLSL_* or SMAA_CUSTOM_SL # error you must define the shading language: SMAA_HLSL_*, SMAA_GLSL_* or SMAA_CUSTOM_SL
#endif #endif
/* clang-format on */ /* clang-format on */
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
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#if SMAA_INCLUDE_VS #if SMAA_INCLUDE_VS
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Vertex Shaders // Vertex Shaders
/** /**
* Edge Detection Vertex Shader * Edge Detection Vertex Shader
*/ */
# ifdef GPU_METAL
/* NOTE: Metal API requires explicit address space qualifiers for pointer types.
* Arrays in functions are passed as pointers, and thus require explicit address
* space. */
void SMAAEdgeDetectionVS(float2 texcoord, thread float4 *offset)
# else
void SMAAEdgeDetectionVS(float2 texcoord, out float4 offset[3]) void SMAAEdgeDetectionVS(float2 texcoord, out float4 offset[3])
# endif
{ {
offset[0] = mad(SMAA_RT_METRICS.xyxy, float4(-1.0, 0.0, 0.0, -1.0), texcoord.xyxy); offset[0] = mad(SMAA_RT_METRICS.xyxy, float4(-1.0, 0.0, 0.0, -1.0), texcoord.xyxy);
offset[1] = mad(SMAA_RT_METRICS.xyxy, float4(1.0, 0.0, 0.0, 1.0), texcoord.xyxy); offset[1] = mad(SMAA_RT_METRICS.xyxy, float4(1.0, 0.0, 0.0, 1.0), texcoord.xyxy);
offset[2] = mad(SMAA_RT_METRICS.xyxy, float4(-2.0, 0.0, 0.0, -2.0), texcoord.xyxy); offset[2] = mad(SMAA_RT_METRICS.xyxy, float4(-2.0, 0.0, 0.0, -2.0), texcoord.xyxy);
} }
/** /**
* Blend Weight Calculation Vertex Shader * Blend Weight Calculation Vertex Shader
*/ */
# ifdef GPU_METAL
/* NOTE: Metal API requires explicit address space qualifiers for pointer types.
* Arrays in functions are passed as pointers, and thus require explicit address
* space. */
void SMAABlendingWeightCalculationVS(float2 texcoord,
thread float2 &pixcoord,
thread float4 *offset)
# else
void SMAABlendingWeightCalculationVS(float2 texcoord, out float2 pixcoord, out float4 offset[3]) void SMAABlendingWeightCalculationVS(float2 texcoord, out float2 pixcoord, out float4 offset[3])
# endif
{ {
pixcoord = texcoord * SMAA_RT_METRICS.zw; pixcoord = texcoord * SMAA_RT_METRICS.zw;
// We will use these offsets for the searches later on (see @PSEUDO_GATHER4): // We will use these offsets for the searches later on (see @PSEUDO_GATHER4):
offset[0] = mad(SMAA_RT_METRICS.xyxy, float4(-0.25, -0.125, 1.25, -0.125), texcoord.xyxy); offset[0] = mad(SMAA_RT_METRICS.xyxy, float4(-0.25, -0.125, 1.25, -0.125), texcoord.xyxy);
offset[1] = mad(SMAA_RT_METRICS.xyxy, float4(-0.125, -0.25, -0.125, 1.25), texcoord.xyxy); offset[1] = mad(SMAA_RT_METRICS.xyxy, float4(-0.125, -0.25, -0.125, 1.25), texcoord.xyxy);
// And these for the searches, they indicate the ends of the loops: // And these for the searches, they indicate the ends of the loops:
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