ilikecats/stk-code_catmod
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First part of #1988 fix

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This commit is contained in:
Vincent Lejeune 2015-02-22 20:31:14 +01:00
parent 0f56a4f6d3
commit 13a2f9f597
5 changed files with 56 additions and 4 deletions
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18
data/shaders/degraded_ibl.frag Normal file
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@ -0,0 +1,18 @@
uniform sampler2D ntex;
out vec4 Diff;
out vec4 Spec;
vec3 DecodeNormal(vec2 n);
vec4 getPosFromUVDepth(vec3 uvDepth, mat4 InverseProjectionMatrix);
vec3 DiffuseIBL(vec3 normal);
vec3 SpecularIBL(vec3 normal, vec3 V, float roughness);
void main(void)
{
vec2 uv = gl_FragCoord.xy / screen;
vec3 normal = normalize(DecodeNormal(2. * texture(ntex, uv).xy - 1.));
Diff = vec4(0.25 * DiffuseIBL(normal), 1.);
Spec = vec4(0., 0., 0., 1.);
}

4
src/config/user_config.hpp
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@ -654,6 +654,10 @@ namespace UserConfigParams
PARAM_DEFAULT( IntUserConfigParam(0,
"shadows_resoltion", &m_graphics_quality,
"Shadow resolution (0 = disabled") );
PARAM_PREFIX BoolUserConfigParam m_degraded_IBL
PARAM_DEFAULT(BoolUserConfigParam(false,
"Degraded_IBL", &m_graphics_quality,
"Disable specular IBL"));
// ---- Misc
PARAM_PREFIX BoolUserConfigParam m_cache_overworld

11
src/graphics/post_processing.cpp
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@ -220,11 +220,22 @@ void PostProcessing::renderEnvMap(const float *bSHCoeff, const float *gSHCoeff,
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_ONE, GL_ONE);
if (UserConfigParams::m_degraded_IBL)
{
glUseProgram(FullScreenShader::DegradedIBLShader::getInstance()->Program);
glBindVertexArray(SharedObject::FullScreenQuadVAO);
FullScreenShader::DegradedIBLShader::getInstance()->SetTextureUnits(irr_driver->getRenderTargetTexture(RTT_NORMAL_AND_DEPTH));
FullScreenShader::DegradedIBLShader::getInstance()->setUniforms();
}
else
{
glUseProgram(FullScreenShader::IBLShader::getInstance()->Program);
glBindVertexArray(SharedObject::FullScreenQuadVAO);
FullScreenShader::IBLShader::getInstance()->SetTextureUnits(irr_driver->getRenderTargetTexture(RTT_NORMAL_AND_DEPTH), irr_driver->getDepthStencilTexture(), skybox);
FullScreenShader::IBLShader::getInstance()->setUniforms();
}
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindVertexArray(0);

13
src/graphics/shaders.cpp
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@ -1641,6 +1641,19 @@ namespace FullScreenShader
AssignSamplerNames(Program, 0, "ntex", 1, "dtex", 2, "probe");
}
DegradedIBLShader::DegradedIBLShader()
{
Program = LoadProgram(OBJECT,
GL_VERTEX_SHADER, file_manager->getAsset("shaders/screenquad.vert").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/decodeNormal.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/getPosFromUVDepth.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/DiffuseIBL.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/utils/SpecularIBL.frag").c_str(),
GL_FRAGMENT_SHADER, file_manager->getAsset("shaders/degraded_ibl.frag").c_str());
AssignUniforms();
AssignSamplerNames(Program, 0, "ntex");
}
ShadowedSunLightShaderPCF::ShadowedSunLightShaderPCF()
{
Program = LoadProgram(OBJECT,

6
src/graphics/shaders.hpp
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@ -426,6 +426,12 @@ public:
IBLShader();
};
class DegradedIBLShader : public ShaderHelperSingleton<DegradedIBLShader>, public TextureRead<Nearest_Filtered>
{
public:
DegradedIBLShader();
};
class ShadowedSunLightShaderPCF : public ShaderHelperSingleton<ShadowedSunLightShaderPCF, float, float, float, float, float>, public TextureRead<Nearest_Filtered, Nearest_Filtered, Shadow_Sampler>
{
public: