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Added opacity support to the scanline shader.

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This commit is contained in:
Leon Styhre 2022-02-15 22:13:11 +01:00
parent a9d1f6e307
commit 5ac6bcb902
4 changed files with 20 additions and 16 deletions
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6
es-core/src/components/VideoComponent.cpp
View file

@ -311,12 +311,8 @@ void VideoComponent::applyTheme(const std::shared_ptr<ThemeData>& theme,
if (elem->has("pillarboxes"))
mDrawPillarboxes = elem->get<bool>("pillarboxes");
// Scanlines are not compatible with video transparency.
if (elem->has("scanlines")) {
if (elem->has("scanlines"))
mRenderScanlines = elem->get<bool>("scanlines");
if (mRenderScanlines && mThemeOpacity != 0.0f)
mThemeOpacity = 1.0f;
}
if (elem->has("scrollFadeIn") && elem->get<bool>("scrollFadeIn"))
mComponentThemeFlags |= ComponentThemeFlags::SCROLL_FADE_IN;

7
es-core/src/components/VideoFFmpegComponent.cpp
View file

@ -216,10 +216,15 @@ void VideoFFmpegComponent::render(const glm::mat4& parentTrans)
// or the video screensaver, then skip this as the scanline rendering is then handled
// in those modules as a postprocessing step.
if (!mScreensaverMode && !mMediaViewerMode) {
vertices[0].opacity = mFadeIn * mThemeOpacity;
if ((mLegacyTheme && Settings::getInstance()->getBool("GamelistVideoScanlines")) ||
(!mLegacyTheme && mRenderScanlines))
(!mLegacyTheme && mRenderScanlines)) {
vertices[0].shaders = Renderer::SHADER_SCANLINES;
}
else {
vertices[0].shaders = Renderer::SHADER_OPACITY;
}
}
#endif
// Render it.

2
es-core/src/renderers/Renderer_GL21.cpp
View file

@ -352,6 +352,7 @@ namespace Renderer
if (runShader) {
runShader->activateShaders();
runShader->setModelViewProjectionMatrix(getProjectionMatrix() * trans);
runShader->setOpacity(vertices->opacity);
runShader->setTextureSize({shaderWidth, shaderHeight});
GL_CHECK_ERROR(glDrawArrays(GL_TRIANGLE_STRIP, 0, numVertices));
runShader->deactivateShaders();
@ -363,7 +364,6 @@ namespace Renderer
if (runShader) {
runShader->activateShaders();
runShader->setModelViewProjectionMatrix(getProjectionMatrix() * trans);
if (vertices->opacity < 1.0f)
runShader->setOpacity(vertices->opacity);
GL_CHECK_ERROR(glDrawArrays(GL_TRIANGLE_STRIP, 0, numVertices));
runShader->deactivateShaders();

13
resources/shaders/glsl/scanlines.glsl
View file

@ -93,6 +93,7 @@ uniform COMPAT_PRECISION int FrameCount;
uniform COMPAT_PRECISION vec2 OutputSize;
uniform COMPAT_PRECISION vec2 TextureSize;
uniform COMPAT_PRECISION vec2 InputSize;
uniform COMPAT_PRECISION float opacity = 1.0;
uniform sampler2D Texture;
COMPAT_VARYING vec4 TEX0;
COMPAT_VARYING vec2 onex;
@ -127,9 +128,10 @@ uniform COMPAT_PRECISION float OutputGamma;
// Macro for weights computing.
#define WEIGHT(w) \
if (w > 1.0) w = 1.0; \
w = 1.0 - w * w; \
w = w * w;
if (w > 1.0) \
w = 1.0; \
w = 1.0 - w * w; \
w = w * w;
void main()
{
@ -143,7 +145,7 @@ void main()
float h_weight_00 = dx / SPOT_WIDTH;
WEIGHT(h_weight_00);
color *= vec4( h_weight_00, h_weight_00, h_weight_00, h_weight_00 );
color *= vec4(h_weight_00, h_weight_00, h_weight_00, h_weight_00);
// Get closest horizontal neighbour to blend.
vec2 coords01;
@ -190,6 +192,7 @@ void main()
v_weight_10 * h_weight_01, v_weight_10 * h_weight_01);
color *= vec4(COLOR_BOOST);
FragColor = clamp(GAMMA_OUT(color), 0.0, 1.0);
vec4 colorTemp = clamp(GAMMA_OUT(color), 0.0, 1.0);
FragColor = vec4(colorTemp.rgb, colorTemp.a * opacity);
}
#endif