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finish OpenGL shader creation

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This commit is contained in:
Gregory Wells
2025-08-12 22:49:23 -04:00
parent 3f7b0737d7
commit 9d4dfd85fc
2 changed files with 28 additions and 0 deletions
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27
projects/apis/opengl/src/shaders/opengl_shader_module.c
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@@ -1,7 +1,17 @@
#include "opengl_shader_module.h"
#include "opengl_shader_compiler.h"
#include "output_device/gryphn_output_device.h"
#include "instance/gryphn_instance.h"
#include "stdlib.h"
GLenum gnShaderTypeToGLEnum(gnShaderModuleStage stage) {
switch (stage) {
case GN_VERTEX_SHADER_MODULE: return GL_VERTEX_SHADER;
case GN_FRAGMENT_SHADER_MODULE: return GL_FRAGMENT_SHADER;
case GN_ALL_SHADER_MODULE: return GL_VERTEX_SHADER | GL_FRAGMENT_SHADER;
}
}
gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gnShaderModuleInfo shaderModuleInfo) {
module->shaderModule = malloc(sizeof(gnPlatformShaderModule));
glCompilerInfo info = {
@@ -12,8 +22,25 @@ gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gn
glCompiler compiler = glCreateCompiler(&info);
module->shaderModule->shader = glCompilerCompilerShader(compiler);
glDestroyCompiler(compiler);
module->shaderModule->id = glCreateShader(gnShaderTypeToGLEnum(shaderModuleInfo.stage));
const char* source = module->shaderModule->shader.source;
glShaderSource(module->shaderModule->id, 1, &source, NULL);
glCompileShader(module->shaderModule->id);
GLint returnCode;
glGetShaderiv(module->shaderModule->id, GL_COMPILE_STATUS, &returnCode);
if(!returnCode) {
char infoLog[512];
glGetShaderInfoLog(module->shaderModule->id, 512, NULL, infoLog);
gnDebuggerSetErrorMessage(device->instance->debugger, (gnMessageData){
.message = gnCreateString(infoLog)
});
}
return GN_SUCCESS;
}
void openglDestroyShaderModule(gnShaderModule module) {
glDeleteShader(module->shaderModule->id);
free(module->shaderModule);
}