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Automatically size the StreamUBO to 64 KB regardless of what is in it

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This commit is contained in:
Magnus Norddahl 2019-12-21 16:13:39 +01:00
parent 81ea919d61
commit 1004ac1636
2 changed files with 11 additions and 4 deletions
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13
src/rendering/vulkan/shaders/vk_shader.cpp
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@ -142,7 +142,7 @@ static const char *shaderBindings = R"(
}; };
layout(set = 0, binding = 3, std140) uniform StreamUBO { layout(set = 0, binding = 3, std140) uniform StreamUBO {
StreamData data[256]; StreamData data[MAX_STREAM_DATA];
}; };
layout(set = 0, binding = 4) uniform sampler2D ShadowMap; layout(set = 0, binding = 4) uniform sampler2D ShadowMap;
@ -198,6 +198,9 @@ static const char *shaderBindings = R"(
#define uObjectColor2 data[uDataIndex].uObjectColor2 #define uObjectColor2 data[uDataIndex].uObjectColor2
#define uDynLightColor data[uDataIndex].uDynLightColor #define uDynLightColor data[uDataIndex].uDynLightColor
#define uAddColor data[uDataIndex].uAddColor #define uAddColor data[uDataIndex].uAddColor
#define uTextureBlendColor data[uDataIndex].uTextureBlendColor
#define uTextureModulateColor data[uDataIndex].uTextureModulateColor
#define uTextureAddColor data[uDataIndex].uTextureAddColor
#define uFogColor data[uDataIndex].uFogColor #define uFogColor data[uDataIndex].uFogColor
#define uDesaturationFactor data[uDataIndex].uDesaturationFactor #define uDesaturationFactor data[uDataIndex].uDesaturationFactor
#define uInterpolationFactor data[uDataIndex].uInterpolationFactor #define uInterpolationFactor data[uDataIndex].uInterpolationFactor
@ -233,7 +236,9 @@ static const char *shaderBindings = R"(
std::unique_ptr<VulkanShader> VkShaderManager::LoadVertShader(FString shadername, const char *vert_lump, const char *defines) std::unique_ptr<VulkanShader> VkShaderManager::LoadVertShader(FString shadername, const char *vert_lump, const char *defines)
{ {
FString code = GetTargetGlslVersion(); FString code = GetTargetGlslVersion();
code << defines << shaderBindings; code << defines;
code << "\n#define MAX_STREAM_DATA " << std::to_string(MAX_STREAM_DATA).c_str() << "\n";
code << shaderBindings;
if (!device->UsedDeviceFeatures.shaderClipDistance) code << "#define NO_CLIPDISTANCE_SUPPORT\n"; if (!device->UsedDeviceFeatures.shaderClipDistance) code << "#define NO_CLIPDISTANCE_SUPPORT\n";
code << "#line 1\n"; code << "#line 1\n";
code << LoadPrivateShaderLump(vert_lump).GetChars() << "\n"; code << LoadPrivateShaderLump(vert_lump).GetChars() << "\n";
@ -246,7 +251,9 @@ std::unique_ptr<VulkanShader> VkShaderManager::LoadVertShader(FString shadername
std::unique_ptr<VulkanShader> VkShaderManager::LoadFragShader(FString shadername, const char *frag_lump, const char *material_lump, const char *light_lump, const char *defines, bool alphatest, bool gbufferpass) std::unique_ptr<VulkanShader> VkShaderManager::LoadFragShader(FString shadername, const char *frag_lump, const char *material_lump, const char *light_lump, const char *defines, bool alphatest, bool gbufferpass)
{ {
FString code = GetTargetGlslVersion(); FString code = GetTargetGlslVersion();
code << defines << shaderBindings; code << defines;
code << "\n#define MAX_STREAM_DATA " << std::to_string(MAX_STREAM_DATA).c_str() << "\n";
code << shaderBindings;
if (!device->UsedDeviceFeatures.shaderClipDistance) code << "#define NO_CLIPDISTANCE_SUPPORT\n"; if (!device->UsedDeviceFeatures.shaderClipDistance) code << "#define NO_CLIPDISTANCE_SUPPORT\n";
if (!alphatest) code << "#define NO_ALPHATEST\n"; if (!alphatest) code << "#define NO_ALPHATEST\n";

2
src/rendering/vulkan/shaders/vk_shader.h
View file

@ -18,7 +18,7 @@ struct MatricesUBO
VSMatrix TextureMatrix; VSMatrix TextureMatrix;
}; };
#define MAX_STREAM_DATA 256 #define MAX_STREAM_DATA ((int)(65536 / sizeof(StreamData)))
struct StreamUBO struct StreamUBO
{ {