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love.graphics.validateShader no longer errors if the system doesn't support the shader

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This commit is contained in:
Alex Szpakowski
2021-07-18 14:09:28 -03:00
parent 00494ec3b5
commit 92d0d1d60f
3 changed files with 18 additions and 13 deletions
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src/modules/graphics/Graphics.cpp
+3 -2
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@@ -241,7 +241,8 @@ ShaderStage *Graphics::newShaderStage(ShaderStageType stage, const std::string &
if (s == nullptr)
{
std::string glsl = Shader::createShaderStageCode(this, stage, source, info);
bool gles = getRenderer() == Graphics::RENDERER_OPENGLES;
std::string glsl = Shader::createShaderStageCode(this, stage, source, info, gles, true);
s = newShaderStageInternal(stage, cachekey, glsl, getRenderer() == RENDERER_OPENGLES);
if (!cachekey.empty())
cachedShaderStages[stage][cachekey] = s;
@@ -363,7 +364,7 @@ bool Graphics::validateShader(bool gles, const std::vector<std::string> &stagess
if (info.stages[i] != Shader::ENTRYPOINT_NONE)
{
isanystage = true;
std::string glsl = Shader::createShaderStageCode(this, stype, source, info);
std::string glsl = Shader::createShaderStageCode(this, stype, source, info, gles, false);
stages[i].set(new ShaderStageForValidation(this, stype, glsl, gles), Acquire::NORETAIN);
}
}
src/modules/graphics/Shader.cpp
+14 -10
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@@ -514,7 +514,7 @@ Shader::SourceInfo Shader::getSourceInfo(const std::string &src)
return info;
}
std::string Shader::createShaderStageCode(Graphics *gfx, ShaderStageType stage, const std::string &code, const Shader::SourceInfo &info)
std::string Shader::createShaderStageCode(Graphics *gfx, ShaderStageType stage, const std::string &code, const Shader::SourceInfo &info, bool gles, bool checksystemfeatures)
{
if (info.language == Shader::LANGUAGE_MAX_ENUM)
throw love::Exception("Invalid shader language");
@@ -528,19 +528,23 @@ std::string Shader::createShaderStageCode(Graphics *gfx, ShaderStageType stage,
if (stage == SHADERSTAGE_COMPUTE && info.language != LANGUAGE_GLSL4)
throw love::Exception("Compute shaders must use GLSL 4.");
const auto &features = gfx->getCapabilities().features;
bool glsl1on3 = info.language == LANGUAGE_GLSL1;
if (stage == SHADERSTAGE_COMPUTE && !features[Graphics::FEATURE_GLSL4])
throw love::Exception("Compute shaders require GLSL 4 which is not supported on this system.");
if (checksystemfeatures)
{
const auto &features = gfx->getCapabilities().features;
if (info.language == LANGUAGE_GLSL3 && !features[Graphics::FEATURE_GLSL3])
throw love::Exception("GLSL 3 shaders are not supported on this system.");
if (stage == SHADERSTAGE_COMPUTE && !features[Graphics::FEATURE_GLSL4])
throw love::Exception("Compute shaders require GLSL 4 which is not supported on this system.");
if (info.language == LANGUAGE_GLSL4 && !features[Graphics::FEATURE_GLSL4])
throw love::Exception("GLSL 4 shaders are not supported on this system.");
if (info.language == LANGUAGE_GLSL3 && !features[Graphics::FEATURE_GLSL3])
throw love::Exception("GLSL 3 shaders are not supported on this system.");
bool gles = gfx->getRenderer() == Graphics::RENDERER_OPENGLES;
bool glsl1on3 = info.language == LANGUAGE_GLSL1 && features[Graphics::FEATURE_GLSL3];
if (info.language == LANGUAGE_GLSL4 && !features[Graphics::FEATURE_GLSL4])
throw love::Exception("GLSL 4 shaders are not supported on this system.");
glsl1on3 = info.language == LANGUAGE_GLSL1 && features[Graphics::FEATURE_GLSL3];
}
Language lang = info.language;
if (glsl1on3)
src/modules/graphics/Shader.h
+1 -1
View File
@@ -219,7 +219,7 @@ public:
void getLocalThreadgroupSize(int *x, int *y, int *z);
static SourceInfo getSourceInfo(const std::string &src);
static std::string createShaderStageCode(Graphics *gfx, ShaderStageType stage, const std::string &code, const SourceInfo &info);
static std::string createShaderStageCode(Graphics *gfx, ShaderStageType stage, const std::string &code, const SourceInfo &info, bool gles, bool checksystemfeatures);
static bool validate(StrongRef<ShaderStage> stages[], std::string &err);