102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
#include <GL/glew.h>
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#include <GLFW/glfw3.h>
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#include <cglm/cglm.h>
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#define SKR_BACKEND_API 0 // opengl
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#define SKR_BACKEND_WINDOW 0 // glfw
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#include <skr/skr.h>
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int main(void) {
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SkrState state = SkrInit(
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&(SkrWindow){
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.Title = "Hello SKR",
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.Width = 800,
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.Height = 600,
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},
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SKR_BACKEND_API_GL);
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glewInit();
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// SkrTriangle(&state);
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#include <main/shaders/texture.frag.c>
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#include <main/shaders/texture.vert.c>
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SkrShader shaders[] = {
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{GL_VERTEX_SHADER, texture_vert, NULL},
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{GL_FRAGMENT_SHADER, texture_frag, NULL},
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};
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GLuint prog =
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m_skr_gl_create_program_from_shaders(shaders, sizeof(shaders));
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static SkrShaderProgram program = {.Backend.GL.ID = 0};
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program.Backend.GL.ID = prog;
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static SkrVertex vertices[] = {
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{.Position = {0.5f, 0.5f, 0.0f},
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.Normal = {0.0f, 0.0f, 1.0f},
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.UV = {1.0f, 1.0f},
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.Color = {1.0f, 0.0f, 0.0f}},
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{.Position = {0.5f, -0.5f, 0.0f},
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.Normal = {0.0f, 0.0f, 1.0f},
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.UV = {1.0f, 0.0f},
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.Color = {0.0f, 1.0f, 0.0f}},
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{.Position = {-0.5f, -0.5f, 0.0f},
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.Normal = {0.0f, 0.0f, 1.0f},
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.UV = {0.0f, 0.0f},
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.Color = {0.0f, 0.0f, 1.0f}},
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{.Position = {-0.5f, 0.5f, 0.0f},
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.Normal = {0.0f, 0.0f, 1.0f},
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.UV = {0.0f, 1.0f},
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.Color = {1.0f, 1.0f, 0.0f}},
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};
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static unsigned int indices[] = {0, 1, 3, 1, 2, 3};
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// Make mesh
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static SkrMesh mesh = {
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.Vertices = vertices,
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.VertexCount = 4,
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.Indices = indices,
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.IndexCount = 6,
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.Program = &program,
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};
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// Make model
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static SkrModel model = {
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.Meshes = &mesh,
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.MeshCount = 1,
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};
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const char* paths[] = {"assets/container.jpg",
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"assets/awesomeface.png"};
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unsigned int tex_ids[2];
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m_skr_gl_load_textures_2d_from_paths(paths, tex_ids, 2);
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static SkrTexture textures[2] = {0};
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for (int i = 0; i < 2; i++) {
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textures[i].Backend.GL.ID = tex_ids[i];
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textures[i].Type =
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(i == 0) ? SKR_TEXTURE_DIFFUSE : SKR_TEXTURE_SPECULAR;
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}
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model.Textures = textures;
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model.TextureCount = 2;
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state.Models = &model;
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state.ModelCount = 1;
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glUseProgram(prog);
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m_skr_gl_shader_set_int(prog, "texture1", 0);
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m_skr_gl_shader_set_int(prog, "texture2", 1);
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while (!SkrShouldClose(&state)) {
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glClearColor(0.1f, 0.1f, 0.1f, 1.0f);
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SkrRendererRender(&state);
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}
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return 0;
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}
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