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chroma min/max amb mostreig bilinear subpíxel

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This commit is contained in:
Sergio Valor
2026-05-17 12:24:14 +02:00
parent bd5683d498
commit ae6e72e0d9
9 changed files with 8606 additions and 6898 deletions
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source/core/rendering/sdl3gpu/sdl3gpu_shader.hpp
+3 -3
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@@ -12,7 +12,7 @@
struct PostFXUniforms {
// vec4 #0
float vignette_strength;
float chroma_strength;
float chroma_min;
float scanline_strength;
float screen_height;
// vec4 #1
@@ -24,7 +24,7 @@ struct PostFXUniforms {
float pixel_scale;
float time;
float flicker;
float pad2;
float chroma_max;
// vec4 #3 — paràmetres de scanlines exposats al preset YAML
float scan_dark_ratio;
float scan_dark_floor;
@@ -117,7 +117,7 @@ namespace Rendering {
SDL_GPUTransferBuffer* upload_buffer_ = nullptr;
SDL_GPUSampler* sampler_ = nullptr;
PostFXUniforms uniforms_{.vignette_strength = 0.6F, .chroma_strength = 0.15F, .scanline_strength = 0.7F, .screen_height = 192.0F, .pixel_scale = 1.0F, .scan_dark_ratio = 0.333F, .scan_dark_floor = 0.42F, .scan_edge_soft = 1.0F};
PostFXUniforms uniforms_{.vignette_strength = 0.6F, .chroma_min = 0.15F, .scanline_strength = 0.7F, .screen_height = 192.0F, .pixel_scale = 1.0F, .chroma_max = 0.15F, .scan_dark_ratio = 0.333F, .scan_dark_floor = 0.42F, .scan_edge_soft = 1.0F};
CrtPiUniforms crtpi_uniforms_{.scanline_weight = 6.0F, .scanline_gap_brightness = 0.12F, .bloom_factor = 3.5F, .input_gamma = 2.4F, .output_gamma = 2.2F, .mask_brightness = 0.80F, .curvature_x = 0.05F, .curvature_y = 0.10F, .mask_type = 2, .enable_scanlines = 1, .enable_multisample = 1, .enable_gamma = 1};
ShaderType active_shader_ = ShaderType::POSTFX;