popux/perfect_dark
1
0 Fork 0
forked from Ports/perfect_dark
Code Pull Requests Activity

port: better menu blur

Browse Source 
TODO: make it render the blurred texture to the fb once instead of rendering it blurred every frame
This commit is contained in:
fgsfds committed 2023-12-02 19:18:47 +01:00
1 parent aef2463361
commit 2c20a0487e
7 files changed
+50 -17
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

port/fast3d/gfx_opengl.cpp
+24 -1
View File
@@ -394,7 +394,30 @@ static struct ShaderProgram* gfx_opengl_create_and_load_new_shader(uint64_t shad
append_line(fs_buf, &fs_len, " return fract(sin(random) * 143758.5453);");
append_line(fs_buf, &fs_len, "}");
if (current_filter_mode == FILTER_THREE_POINT) {
if (cc_features.opt_blur) {
// blur filter, used for menu backgrounds
append_line(fs_buf, &fs_len, R"(
const vec4 blurOffsets = vec4(-1.5, -0.5, +0.5, +1.5);
const mat4 blurWeights = mat4(
0.009947, 0.009641, 0.008778, 0.007509,
0.009641, 0.009345, 0.008508, 0.007278,
0.008778, 0.008508, 0.007747, 0.006626,
0.007509, 0.007278, 0.006626, 0.005668
);
lowp vec4 hookTexture2D(in sampler2D tex, in vec2 texCoord, in vec2 texSize) {
lowp vec4 color = vec4(0.0);
lowp float wacc = 0.0;
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
vec2 ofs = vec2(blurOffsets[x], blurOffsets[y]) / texSize;
wacc += blurWeights[x][y];
color += texture2D(tex, texCoord + ofs) * blurWeights[x][y];
}
}
return vec4(color.rgb / wacc, 1.0);
})"
);
} else if (current_filter_mode == FILTER_THREE_POINT) {
#if __APPLE__
append_line(fs_buf, &fs_len, "#define TEX_OFFSET(off) texture(tex, texCoord - (off)/texSize)");
#else