134 lines
4.8 KiB
C++
134 lines
4.8 KiB
C++
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static r32 z_ = 0;
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static r32 r_ = 0.3f;
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static r32 quad_verts[] = {
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-r_, -r_, z_, 1.0f, 0, 0,
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r_, -r_, z_, 1.0f, 1, 0,
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r_, r_, z_, 1.0f, 1, 1,
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-r_, r_, z_, 1.0f, 0, 1,
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};
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static u32 quad_indices[] = {
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0, 1, 2,
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0, 2, 3,
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};
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static String shader_code_vert_win32 = lit_str(
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"#version 330 core\n"
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"layout (location = 0) in vec4 coordinates;\n"
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"layout (location = 1) in vec2 uv;\n"
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"out vec2 tex_coord;\n"
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"void main(void) {\n"
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" gl_Position = coordinates;\n"
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" tex_coord = uv;\n"
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"}"
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);
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static String shader_code_vert_wasm = lit_str(
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"precision highp float;\n"
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"attribute vec4 coordinates;\n"
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"attribute vec2 uv;\n"
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"varying vec2 tex_coord;\n"
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"void main(void) {\n"
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" gl_Position = coordinates;\n"
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" tex_coord = uv;\n"
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"}");
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static String shader_code_frag_win32 = lit_str(
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"#version 330 core\n"
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"in vec2 tex_coord;\n"
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"out vec4 FragColor;\n"
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"uniform sampler2D texture;\n"
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"void main(void) {\n"
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"// FragColor = vec4(1,tex_coord.x,tex_coord.y,1);\n"
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" FragColor = texture(texture, tex_coord);\n"
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"}"
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);
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static String shader_code_frag_wasm = lit_str(
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"precision highp float;\n"
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"varying vec2 tex_coord;\n"
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"uniform sampler2D texture;\n"
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"void main(void) {\n"
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" gl_FragColor = texture2D(texture, tex_coord);\n"
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" // vec4(1, tex_coord.x, tex_coord.y, 1);\n"
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"}");
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static u32 pix[] = {
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0xFF000000, 0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF,
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0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF, 0xFF000000,
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0xFF000000, 0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF,
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0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF, 0xFF000000,
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};
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void make_quad(Platform_Geometry_Buffer* geo, Platform_Shader* shd, Platform_Texture* tex)
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{
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// TODO(PS): TEMP
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#if defined(PLATFORM_win32)
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String shader_code_vert = shader_code_vert_win32;
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String shader_code_frag = shader_code_frag_win32;
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#elif defined(PLATFORM_wasm)
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String shader_code_vert = shader_code_vert_wasm;
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String shader_code_frag = shader_code_frag_wasm;
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#endif
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*geo = platform_geometry_buffer_create(
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quad_verts, 24, quad_indices, 6
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);
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String attribs[] = {
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lit_str("coordinates"),
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lit_str("uv"),
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};
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*shd = platform_shader_create(
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shader_code_vert, shader_code_frag, attribs, 2, 0, 0
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);
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platform_vertex_attrib_pointer(*geo, *shd, 4, shd->attrs[0], 6, 0);
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platform_vertex_attrib_pointer(*geo, *shd, 2, shd->attrs[1], 6, 4);
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*tex = platform_texture_create((u8*)pix, 4, 4, 4);
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}
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internal void
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ed_load_font_cb(Platform_File_Async_Job_Args result)
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{
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s32 x = 5;
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}
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internal void
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ed_init(App_State* state)
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{
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Editor* editor = allocator_alloc_struct(permanent, Editor);
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state->editor = editor;
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state->editor->ui = ui_create(4096, 4096, state->input_state, permanent);
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// make the default quad for us to draw with
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// TODO(PS): this might be unnecessary with the per-frame buffer we use now
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make_quad(&editor->renderer.geo, &editor->renderer.shd, &editor->renderer.tex);
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platform_file_async_read(lit_str("data/font.ttf"), ed_load_font_cb);
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}
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internal void
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ed_frame_prepare(App_State* state)
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{
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ui_frame_prepare(&state->editor->ui, state->editor->window_dim);
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}
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internal void
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ed_frame(App_State* state)
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{
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edr_render_begin(state);
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ui_draw(&state->editor->ui);
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edr_render(state);
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}
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internal void
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ed_cleanup(App_State* state)
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{
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}
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