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GPU/HW: Use a larger epsilon for PowerVR

This commit is contained in:
Connor McLaughlin 2021-05-25 20:01:37 +10:00
parent df26792c19
commit f4242f390b
2 changed files with 13 additions and 6 deletions
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8
src/core/gpu_hw_shadergen.cpp
View File

@ -91,10 +91,14 @@ std::string GPU_HW_ShaderGen::GenerateBatchVertexShader(bool textured)
// OpenGL seems to be off by one pixel in the Y direction due to lower-left origin, but only on
// Intel and NVIDIA drivers. AMD is fine. V3D requires coordinates to be slightly offset even further.
#if API_OPENGL || API_OPENGL_ES
#ifdef DRIVER_HACK_POS_EPSILON
#ifdef DRIVER_V3D
CONSTANT float POS_EPSILON = 0.0001;
#else
CONSTANT float POS_EPSILON = 0.00001;
#ifdef DRIVER_POWERVR
CONSTANT float POS_EPSILON = 0.001;
#else
CONSTANT float POS_EPSILON = 0.00001;
#endif
#endif
#endif
)";

11
src/core/shadergen.cpp
View File

@ -102,11 +102,14 @@ void ShaderGen::WriteHeader(std::stringstream& ss)
ss << "#extension GL_ARB_blend_func_extended : require\n";
// Test for V3D driver - we have to fudge coordinates slightly.
if ((std::strstr(reinterpret_cast<const char*>(glGetString(GL_VENDOR)), "Broadcom") &&
std::strstr(reinterpret_cast<const char*>(glGetString(GL_RENDERER)), "V3D")) ||
std::strstr(reinterpret_cast<const char*>(glGetString(GL_RENDERER)), "PowerVR"))
if (std::strstr(reinterpret_cast<const char*>(glGetString(GL_VENDOR)), "Broadcom") &&
std::strstr(reinterpret_cast<const char*>(glGetString(GL_RENDERER)), "V3D"))
{
ss << "#define DRIVER_HACK_POS_EPSILON 1\n";
ss << "#define DRIVER_V3D 1\n";
}
else if (std::strstr(reinterpret_cast<const char*>(glGetString(GL_RENDERER)), "PowerVR"))
{
ss << "#define DRIVER_POWERVR 1\n";
}
}
else if (m_render_api == HostDisplay::RenderAPI::OpenGL)