diff options
| author | dec05eba <dec05eba@protonmail.com> | 2024-08-24 13:53:06 +0200 |
|---|---|---|
| committer | dec05eba <dec05eba@protonmail.com> | 2024-08-24 13:53:15 +0200 |
| commit | 6af3b55b9a11cf85e850eba0fddcf531e2002c7f (patch) | |
| tree | a9c95a30f8b667f429a21c4379a4e455f289d315 | |
| parent | e419500eafed85d4f7b184ddae75c855bdc45200 (diff) | |
Vertices: fix alpha blending when window background is transparent, add uniform for color
| -rw-r--r-- | include/mgl/graphics/shader.h | 2 | ||||
| -rw-r--r-- | src/graphics/shader.c | 5 | ||||
| -rw-r--r-- | src/graphics/vertex.c | 5 |
3 files changed, 12 insertions, 0 deletions
diff --git a/include/mgl/graphics/shader.h b/include/mgl/graphics/shader.h index 16b573a..19d0605 100644 --- a/include/mgl/graphics/shader.h +++ b/include/mgl/graphics/shader.h @@ -2,6 +2,7 @@ #define MGL_SHADER_H #include "../system/vec.h" +#include "../graphics/color.h" typedef struct mgl_texture mgl_texture; @@ -26,6 +27,7 @@ int mgl_shader_program_set_uniform_float(mgl_shader_program *self, const char *u int mgl_shader_program_set_uniform_vec2f(mgl_shader_program *self, const char *uniform_name, mgl_vec2f value); int mgl_shader_program_set_uniform_vec3f(mgl_shader_program *self, const char *uniform_name, mgl_vec3f value); int mgl_shader_program_set_uniform_vec4f(mgl_shader_program *self, const char *uniform_name, mgl_vec4f value); +int mgl_shader_program_set_uniform_color(mgl_shader_program *self, const char *uniform_name, mgl_color color); /* If |shader_program| is NULL then no shader is used */ void mgl_shader_program_use(mgl_shader_program *shader_program); diff --git a/src/graphics/shader.c b/src/graphics/shader.c index f7f5545..f362490 100644 --- a/src/graphics/shader.c +++ b/src/graphics/shader.c @@ -231,6 +231,11 @@ int mgl_shader_program_set_uniform_vec4f(mgl_shader_program *self, const char *u return 0; } +int mgl_shader_program_set_uniform_color(mgl_shader_program *self, const char *uniform_name, mgl_color color) { + return mgl_shader_program_set_uniform_vec4f(self, uniform_name, + (mgl_vec4f){ color.r / 255.0f, color.g / 255.0f, color.b / 255.0f, color.a / 255.0f }); +} + /* TODO: Optimize glUseProgram */ void mgl_shader_program_use(mgl_shader_program *shader_program) { mgl_context *context = mgl_get_context(); diff --git a/src/graphics/vertex.c b/src/graphics/vertex.c index e55c180..92a6e93 100644 --- a/src/graphics/vertex.c +++ b/src/graphics/vertex.c @@ -1,11 +1,14 @@ #include "../../include/mgl/graphics/vertex.h" #include "../../include/mgl/graphics/texture.h" +#include "../../include/mgl/window/window.h" #include "../../include/mgl/mgl.h" void mgl_vertices_draw(mgl_context *context, const mgl_vertex *vertices, size_t vertex_count, mgl_primitive_type primitive_type, mgl_vec2f position) { if(vertex_count == 0) return; + mgl_window_set_texture_blend_func(context->current_window); + context->gl.glPushMatrix(); if(!mgl_texture_current_texture()) { @@ -22,4 +25,6 @@ void mgl_vertices_draw(mgl_context *context, const mgl_vertex *vertices, size_t context->gl.glDrawArrays(mgl_primitive_type_to_gl_mode(primitive_type), 0, vertex_count); context->gl.glPopMatrix(); + + mgl_window_set_render_blend_func(context->current_window); } |