diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/cube/ex_cube.c | 145 | ||||
| -rw-r--r-- | examples/triangle/ex_triangle.c | 22 |
2 files changed, 150 insertions, 17 deletions
diff --git a/examples/cube/ex_cube.c b/examples/cube/ex_cube.c new file mode 100644 index 0000000..71b7917 --- /dev/null +++ b/examples/cube/ex_cube.c @@ -0,0 +1,145 @@ +#include <glfw3.h> + +#include "buf.h" +#include "camera.h" +#include "core.h" +#include "file.h" +#include "log.h" +#include "maths.h" +#include "mem.h" +#include "ral.h" +#include "ral_types.h" +#include "render.h" + +extern core g_core; + +// Define the shader data +typedef struct mvp_uniforms { + mat4 model; + mat4 view; + mat4 projection; +} mvp_uniforms; + +shader_data_layout mvp_uniforms_layout(void* data) { + mvp_uniforms* d = (mvp_uniforms*)data; + bool has_data = data != NULL; + + shader_binding b1 = { + .label = "model", + .type = SHADER_BINDING_BYTES, + .stores_data = has_data, + .data = {.bytes = { .size = sizeof(mat4) }} + }; + shader_binding b2 = { + .label = "view", + .type = SHADER_BINDING_BYTES, + .stores_data = has_data, + .data = {.bytes = { .size = sizeof(mat4) }} + }; + shader_binding b3 = { + .label = "projection", + .type = SHADER_BINDING_BYTES, + .stores_data = has_data, + .data = {.bytes = { .size = sizeof(mat4) }} + }; + if (has_data) { + b1.data.bytes.data = &d->model; + b2.data.bytes.data = &d->view; + b3.data.bytes.data = &d->projection; + } + return (shader_data_layout ){.name = "mvp_uniforms", .bindings = { + b1, b2, b3 + }}; +} + +int main() { + core_bringup(); + arena scratch = arena_create(malloc(1024 * 1024), 1024 * 1024); + + DEBUG("render capacity %d", g_core.default_scene.renderables->capacity); + + shader_data_layout mvp_layout = mvp_uniforms_layout(NULL); + + mvp_uniforms mvp_data = { + .model = mat4_ident(), + .view = mat4_ident(), + .projection = mat4_ident() + }; + + shader_data mvp_uniforms_data = { + .data = &mvp_data, + .shader_data_get_layout = &mvp_uniforms_layout + }; + + gpu_renderpass_desc pass_description = {}; + gpu_renderpass* renderpass = gpu_renderpass_create(&pass_description); + + str8 vert_path = str8lit("build/linux/x86_64/debug/triangle.vert.spv"); + str8 frag_path = str8lit("build/linux/x86_64/debug/triangle.frag.spv"); + str8_opt vertex_shader = str8_from_file(&scratch, vert_path); + str8_opt fragment_shader = str8_from_file(&scratch, frag_path); + if (!vertex_shader.has_value || !fragment_shader.has_value) { + ERROR_EXIT("Failed to load shaders from disk") + } + + struct graphics_pipeline_desc pipeline_description = { + .debug_name = "Basic Pipeline", + .vs = { .debug_name = "Triangle Vertex Shader", + .filepath = vert_path, + .code = vertex_shader.contents, + .is_spirv = true }, + .fs = { .debug_name = "Triangle Fragment Shader", + .filepath = frag_path, + .code = fragment_shader.contents, + .is_spirv = true }, + .renderpass = renderpass, + .wireframe = false, + .depth_test = false + }; + gpu_pipeline* gfx_pipeline = gpu_graphics_pipeline_create(pipeline_description); + + buffer_handle triangle_vert_buf = + gpu_buffer_create(sizeof(vertices), CEL_BUFFER_VERTEX, CEL_BUFFER_FLAG_GPU, vertices); + + buffer_handle triangle_index_buf = + gpu_buffer_create(sizeof(indices), CEL_BUFFER_INDEX, CEL_BUFFER_FLAG_GPU, indices); + + // Main loop + while (!should_exit(&g_core)) { + glfwPollEvents(); + input_update(&g_core.input); + + // render_frame_begin(&g_core.renderer); + + if (!gpu_backend_begin_frame()) { + continue; + } + gpu_cmd_encoder* enc = gpu_get_default_cmd_encoder(); + // begin recording + gpu_cmd_encoder_begin(*enc); + gpu_cmd_encoder_begin_render(enc, renderpass); + encode_bind_pipeline(enc, PIPELINE_GRAPHICS, gfx_pipeline); + encode_set_default_settings(enc); + + // Record draw calls + encode_set_vertex_buffer(enc, triangle_vert_buf); + encode_set_index_buffer(enc, triangle_index_buf); + encode_bind_shader_data(enc, 0, &mvp_uniforms_data); + gpu_temp_draw(6); + + // End recording + gpu_cmd_encoder_end_render(enc); + + gpu_cmd_buffer buf = gpu_cmd_encoder_finish(enc); + gpu_queue_submit(&buf); + // Submit + gpu_backend_end_frame(); + + // render_frame_end(&g_core.renderer); + // glfwSwapBuffers(core->renderer.window); + } + + renderer_shutdown(&g_core.renderer); + + return 0; +} diff --git a/examples/triangle/ex_triangle.c b/examples/triangle/ex_triangle.c index dc82156..c6f0e54 100644 --- a/examples/triangle/ex_triangle.c +++ b/examples/triangle/ex_triangle.c @@ -12,8 +12,6 @@ #include "ral_types.h" #include "render.h" -// Example setting up a renderer - extern core g_core; const custom_vertex vertices[] = { @@ -28,8 +26,6 @@ int main() { core_bringup(); arena scratch = arena_create(malloc(1024 * 1024), 1024 * 1024); - DEBUG("render capacity %d", g_core.default_scene.renderables->capacity); - gpu_renderpass_desc pass_description = {}; gpu_renderpass* renderpass = gpu_renderpass_create(&pass_description); @@ -65,19 +61,13 @@ int main() { // Main loop while (!should_exit(&g_core)) { - glfwPollEvents(); input_update(&g_core.input); - // render_frame_begin(&g_core.renderer); - - static f64 x = 0.0; - x += 0.01; - if (!gpu_backend_begin_frame()) { continue; } gpu_cmd_encoder* enc = gpu_get_default_cmd_encoder(); - // begin recording + // Begin recording gpu_cmd_encoder_begin(*enc); gpu_cmd_encoder_begin_render(enc, renderpass); encode_bind_pipeline(enc, PIPELINE_GRAPHICS, gfx_pipeline); @@ -86,18 +76,16 @@ int main() { // Record draw calls encode_set_vertex_buffer(enc, triangle_vert_buf); encode_set_index_buffer(enc, triangle_index_buf); - gpu_temp_draw(6); + encode_draw_indexed(enc, 6); // End recording gpu_cmd_encoder_end_render(enc); - gpu_cmd_buffer buf = gpu_cmd_encoder_finish(enc); - gpu_queue_submit(&buf); + gpu_cmd_buffer buf = gpu_cmd_encoder_finish( + enc); // Command buffer is no longer recording and is ready to submit // Submit + gpu_queue_submit(&buf); gpu_backend_end_frame(); - - // render_frame_end(&g_core.renderer); - // glfwSwapBuffers(core->renderer.window); } renderer_shutdown(&g_core.renderer); |