94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
#include "ssgc_framework.h"
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#include "gl.h"
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#include "glfw3.h"
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#include "StgSharpC.h"
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#include <stdio.h>
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GladGLContext* currentContext;
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extern char infolog[512] = { 0 };
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SSCAPI void SSCDECL initGL(int majorVersion, int minorVersion)
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{
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glfwInit();
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, majorVersion);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, minorVersion);
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glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
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}
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SSCAPI unsigned int SSCDECL loadShaderCode(GladGLContext* context, char* const shaderCode, GLint shadertype)
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{
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unsigned int shader = context->CreateShader(GL_VERTEX_SHADER);
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if (!shader)
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{
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return 0xffffffff;
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}
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printf("%s\n", shaderCode);
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context->ShaderSource(shader, 1, shaderCode, NULL);
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printf("%s\n", shaderCode);
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context->CompileShader(shader);
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int success;
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context->GetShaderiv(shader, GL_COMPILE_STATUS, &success);
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if (!success)
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{
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context->GetShaderInfoLog(shader, 512, NULL, infolog);
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infolog[511] = '\0';
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return 0;
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}
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else
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{
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return shader;
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}
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}
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SSCAPI GLFWglproc SSCDECL loadGlfuncDefault(char* procName)
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{
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void* ret = glfwGetProcAddress(procName);
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printf("%llu\n", (uint64_t)ret);
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if (ret = NULL)
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{
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*infolog = "Failed to load OpenGL api:";
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for (size_t i = 0; i < sizeof(procName); i++)
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{
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infolog[30 + i] = procName[i];
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}
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printf("%s\n", infolog);
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}
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return (GLFWglproc)ret;
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}
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SSCAPI unsigned int linkShaderProgram(GladGLContext* context, GLuint shaderProgram)
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{
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context->LinkProgram(shaderProgram);
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int success;
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context->GetProgramiv(shaderProgram, GL_LINK_STATUS, &success);
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if (!success)
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{
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context->GetProgramInfoLog(shaderProgram, 512, NULL, infolog);
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return 0;
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}
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else
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{
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return shaderProgram;
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}
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}
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SSCAPI void SSCDECL loadImageData(char* location, Image* out, imageLoader loader)
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{
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if (loader == NULL)
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{
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loader = stbi_load;
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}
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out->pixelPtr = loader(location, &(out->width), &(out->height), &(out->channel), 0);
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}
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SSCAPI void SSCDECL unloadImageData(Image* out)
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{
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free(out->pixelPtr);
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}
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char* _cdecl readLog()
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{
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infolog[511] = '\0';
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return &infolog;
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} |