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Fixed left/right shuffling. Was simply failing to supply the integer version of coordinates.

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This commit is contained in:
Thomas Harte 2016-04-18 21:40:23 -04:00
parent d5bac2f04f
commit 9580dde3ad
1 changed files with 5 additions and 3 deletions
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8
Outputs/CRT/Internals/CRTOpenGL.cpp
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@ -63,7 +63,6 @@ OpenGLOutputBuilder::OpenGLOutputBuilder(unsigned int buffer_depth) :
}
_buffer_builder = std::unique_ptr<CRTInputBufferBuilder>(new CRTInputBufferBuilder(buffer_depth));
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
// Create intermediate textures and bind to slots 0, 1 and 2
@ -269,7 +268,7 @@ void OpenGLOutputBuilder::perform_output_stage(unsigned int output_width, unsign
// clear the buffer
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
// glEnable(GL_BLEND);
// draw all sitting frames
unsigned int run = (unsigned int)_run_write_pointer;
@ -357,12 +356,14 @@ char *OpenGLOutputBuilder::get_input_vertex_shader()
"uniform ivec2 outputTextureSize;"
"out vec2 inputPositionVarying;"
"out vec2 iInputPositionVarying;"
"out float phaseVarying;"
"out float alphaVarying;"
"void main(void)"
"{"
"ivec2 textureSize = textureSize(texID, 0);"
"iInputPositionVarying = inputPosition;"
"inputPositionVarying = vec2(inputPosition.x / textureSize.x, (inputPosition.y + 0.5) / textureSize.y);"
"phaseVarying = (phaseCyclesPerTick * phaseTime + phaseAmplitudeAndAlpha.x) * 2.0 * 3.141592654;"
@ -386,6 +387,7 @@ char *OpenGLOutputBuilder::get_input_fragment_shader()
"#version 150\n"
"in vec2 inputPositionVarying;"
"in vec2 iInputPositionVarying;"
"in float phaseVarying;"
"in float alphaVarying;"
@ -397,7 +399,7 @@ char *OpenGLOutputBuilder::get_input_fragment_shader()
"void main(void)"
"{"
"fragColour = vec4(rgb_sample(texID, inputPositionVarying, inputPositionVarying) * alphaVarying, 1.0);" // composite
"fragColour = vec4(rgb_sample(texID, inputPositionVarying, iInputPositionVarying) * alphaVarying, 1.0);" // composite
"}"
, composite_shader);
}