JailDoctor/jdd_opendingux
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postfx subpixel

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Sergio
2026-03-21 14:41:51 +01:00
parent e9fc2e8fa0
commit 06457654f4
5 changed files with 51 additions and 12 deletions
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11
source/core/rendering/opengl/opengl_shader.cpp
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@@ -338,9 +338,10 @@ auto OpenGLShader::init(SDL_Window* window,
}
// Uniforms PostFX
vignette_location_ = glGetUniformLocation(program_id_, "uVignette");
scanlines_location_ = glGetUniformLocation(program_id_, "uScanlines");
chroma_location_ = glGetUniformLocation(program_id_, "uChroma");
vignette_location_ = glGetUniformLocation(program_id_, "uVignette");
scanlines_location_ = glGetUniformLocation(program_id_, "uScanlines");
chroma_location_ = glGetUniformLocation(program_id_, "uChroma");
output_height_location_ = glGetUniformLocation(program_id_, "uOutputHeight");
if (vignette_location_ != -1) { glUniform1f(vignette_location_, postfx_vignette_); }
if (scanlines_location_ != -1) { glUniform1f(scanlines_location_, postfx_scanlines_); }
if (chroma_location_ != -1) { glUniform1f(chroma_location_, postfx_chroma_); }
@@ -446,6 +447,10 @@ void OpenGLShader::render() {
glViewport(viewport_x, viewport_y, viewport_w, viewport_h);
checkGLError("glViewport");
if (output_height_location_ != -1) {
glUniform1f(output_height_location_, static_cast<float>(viewport_h));
}
// Dibujar quad usando VAO
glBindVertexArray(vao_);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, nullptr);

1
source/core/rendering/opengl/opengl_shader.hpp
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@@ -59,6 +59,7 @@ class OpenGLShader : public ShaderBackend {
GLint vignette_location_ = -1;
GLint scanlines_location_ = -1;
GLint chroma_location_ = -1;
GLint output_height_location_ = -1;
// Valores cacheados de PostFX
float postfx_vignette_ = 0.6F;