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New fun shader vimix logo

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This commit is contained in:
Bruno Herbelin
2022-07-19 00:09:17 +02:00
parent c9c6651368
commit becaeedff1
3 changed files with 66 additions and 5 deletions
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15
ImageFilter.cpp
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@@ -47,7 +47,8 @@ std::string fragmentHeader = "#version 330 core\n"
"uniform float iTime;\n"
"uniform float iTimeDelta;\n"
"uniform int iFrame;\n"
"uniform vec4 iDate;\n";
"uniform vec4 iDate;\n"
"uniform vec4 iMouse;\n";
// Filter code starts at line 16 :
std::string filterDefault = "void mainImage( out vec4 fragColor, in vec2 fragCoord )\n"
@@ -73,12 +74,13 @@ std::list< FilteringProgram > FilteringProgram::presets = {
FilteringProgram("Talk", "shaders/filters/talk.glsl", "", { }),
FilteringProgram("Stippling","shaders/filters/stippling.glsl", "", { }),
FilteringProgram("Dithering","shaders/filters/dithering.glsl", "", { }),
FilteringProgram("Fisheye", "shaders/filters/fisheye.glsl", "", { })
FilteringProgram("Fisheye", "shaders/filters/fisheye.glsl", "", { }),
FilteringProgram("Logo", "shaders/filters/logo.glsl", "", { })
};
int FilteringProgram::getFilterHeaderNumlines()
{
return 15;
return 16;
}
std::string FilteringProgram::getFilterCodeInputs()
@@ -90,7 +92,8 @@ std::string FilteringProgram::getFilterCodeInputs()
"vec3 iChannelResolution[2]; // input channels resolution (in pixels)\n"
"sampler2D iChannel0; // input channel 0 (texture).\n"
"sampler2D iChannel1; // input channel 1 (texture).\n"
"vec4 iDate; // (year, month, day, time in seconds)";
"vec4 iDate; // (year, month, day, time in seconds)\n"
"vec4 iMouse; // emulation of mouse input.";
return filterHeaderHelp;
}
@@ -178,6 +181,7 @@ public:
GTimer *timer_;
double iTime_;
uint iFrame_;
glm::vec4 iMouse_;
// list of uniforms to control shader
std::map< std::string, float > uniforms_;
@@ -207,6 +211,7 @@ ImageFilteringShader::ImageFilteringShader(): ImageShader()
timer_ = g_timer_new ();
iTime_ = 0.0;
iFrame_ = 0;
iMouse_ = glm::vec4(0.f);
ImageShader::reset();
}
@@ -235,9 +240,9 @@ void ImageFilteringShader::use()
//
// Shader input uniforms
//
program_->setUniform("iTime", float(iTime_) );
program_->setUniform("iFrame", int(iFrame_) );
program_->setUniform("iMouse", iMouse_ );
// Calculate iTimeDelta
double elapsed = g_timer_elapsed (timer_, NULL);