public/gpu-screen-recorder
1
0
Fork 0
mirror of https://repo.dec05eba.com/gpu-screen-recorder synced 2026-05-06 06:50:43 +09:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fallback to graphics shader instead of compute shader if the gpu doesn't support compute shader (either glsl 420 or opengl es glsl 310)

Browse Source
This commit is contained in:
dec05eba
2025-04-06 21:52:15 +02:00
parent 9de04e74ea
commit 5029906c34
6 changed files with 552 additions and 123 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/shader.c
View File

@@ -3,14 +3,16 @@
#include <stdio.h>
#include <assert.h>
static bool print_compile_errors = false;
static int min_int(int a, int b) {
return a < b ? a : b;
}
static unsigned int loader_shader(gsr_egl *egl, unsigned int type, const char *source) {
static unsigned int load_shader(gsr_egl *egl, unsigned int type, const char *source) {
unsigned int shader_id = egl->glCreateShader(type);
if(shader_id == 0) {
fprintf(stderr, "gsr error: loader_shader: failed to create shader, error: %d\n", egl->glGetError());
fprintf(stderr, "gsr error: load_shader: failed to create shader, error: %d\n", egl->glGetError());
return 0;
}
@@ -23,7 +25,7 @@ static unsigned int loader_shader(gsr_egl *egl, unsigned int type, const char *s
int info_length = 0;
egl->glGetShaderiv(shader_id, GL_INFO_LOG_LENGTH, &info_length);
if(info_length > 1) {
if(info_length > 1 && print_compile_errors) {
char info_log[4096];
egl->glGetShaderInfoLog(shader_id, min_int(4096, info_length), NULL, info_log);
fprintf(stderr, "gsr error: loader shader: failed to compile shader, error:\n%s\nshader source:\n%s\n", info_log, source);
@@ -45,19 +47,19 @@ static unsigned int load_program(gsr_egl *egl, const char *vertex_shader, const
bool success = false;
if(vertex_shader) {
vertex_shader_id = loader_shader(egl, GL_VERTEX_SHADER, vertex_shader);
vertex_shader_id = load_shader(egl, GL_VERTEX_SHADER, vertex_shader);
if(vertex_shader_id == 0)
goto done;
}
if(fragment_shader) {
fragment_shader_id = loader_shader(egl, GL_FRAGMENT_SHADER, fragment_shader);
fragment_shader_id = load_shader(egl, GL_FRAGMENT_SHADER, fragment_shader);
if(fragment_shader_id == 0)
goto done;
}
if(compute_shader) {
compute_shader_id = loader_shader(egl, GL_COMPUTE_SHADER, compute_shader);
compute_shader_id = load_shader(egl, GL_COMPUTE_SHADER, compute_shader);
if(compute_shader_id == 0)
goto done;
}
@@ -151,3 +153,7 @@ void gsr_shader_use(gsr_shader *self) {
void gsr_shader_use_none(gsr_shader *self) {
self->egl->glUseProgram(0);
}
void gsr_shader_enable_debug_output(bool enable) {
print_compile_errors = enable;
}