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use a geometry shader to render rectangles

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This commit is contained in:
Quinn
2025-06-06 17:13:41 +02:00
parent ed7a157ee3
commit 89a82a6be2
4 changed files with 82 additions and 28 deletions
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6
src/io/shader.c
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@@ -16,6 +16,8 @@ extern char const NAM_S(sh_vert_glsl)[];
extern char const NAM_E(sh_vert_glsl)[];
extern char const NAM_S(sh_frag_glsl)[];
extern char const NAM_E(sh_frag_glsl)[];
extern char const NAM_S(sh_geom_glsl)[];
extern char const NAM_E(sh_geom_glsl)[];
// NOLINTEND
/* compile a shader */
@@ -41,10 +43,14 @@ static GLuint shader_compile(GLenum type, char const* src, size_t len) {
int shader_init(GLuint pipe) {
GLuint vs = COMPILE_NAME(GL_VERTEX_SHADER, sh_vert_glsl);
GLuint fs = COMPILE_NAME(GL_FRAGMENT_SHADER, sh_frag_glsl);
GLuint gs = COMPILE_NAME(GL_GEOMETRY_SHADER, sh_geom_glsl);
glAttachShader(pipe, vs);
glAttachShader(pipe, fs);
glAttachShader(pipe, gs);
glDeleteShader(vs);
glDeleteShader(fs);
glDeleteShader(gs);
return 1;
}