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-rw-r--r--demos/rend_teapot.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/demos/rend_teapot.c b/demos/rend_teapot.c
deleted file mode 100644
index b4430e9..0000000
--- a/demos/rend_teapot.c
+++ /dev/null
@@ -1,242 +0,0 @@
-#define PEAK_IMPLEMENTATION
-#include "teapot.h"
-#include "../Rend/rend.h"
-#include "../Rend/rend.c"
-#include "../Math/math.h"
-#include <stddef.h>
-#include <stdlib.h>
-
-#define STB_IMAGE_IMPLEMENTATION
-#include "stb_image.h"
-
-static uint8_t *
-load_spv(const char *a, const char *b, unsigned long *size)
-{
- uint8_t *p = peak_file_alloc(a, size);
- if (p) return p;
- return peak_file_alloc(b, size);
-}
-
-int main() {
-
- if (!peak_init()) {
- PFATAL("Failed to init Peak!");
- return 1;
- }
-
- PeakWindow win = peak_window_open("teapot", 800, 600, 0);
- if (!win.running) {
- PFATAL("Failed to open a window!");
- return 1;
- }
-
- RendBindingInfo bind_info = {0};
- RendRenderer renderer;
-
- /* basic.slang: set 0 binding 0 = ubos[3], binding 1 = test[3] */
- bind_info.ubo_bindings[0] = 0;
- bind_info.ubo_array_sizes[0] = 3;
- bind_info.ubo_binding_count = 1;
- bind_info.texture_bindings[0] = 1;
- bind_info.texture_array_sizes[0] = 3;
- bind_info.texture_binding_count = 1;
- renderer = rend_renderer_create(&win, REND_BACKEND_AUTO, NULL, true, &bind_info);
- if (!renderer) {
- PFATAL("Failed to create renderer!");
- peak_window_close(&win);
- peak_quit();
- return 1;
- }
-
- const char *texture_path = "wal.jpg";
- if (!peak_file_exists(texture_path)) {
- texture_path = "demos/teapot/wal.jpg";
- if (!peak_file_exists(texture_path)) {
- texture_path = "demos/wal.jpg";
- }
- }
- typedef struct CoolPushConstants {
- float MVP[16];
- } CoolPushConstants;
-
- typedef struct CoolVertex {
- float pos[3];
- float uv[2];
- } CoolVertex;
-
- CoolVertex cool_array[TEAPOT_VERTEX_COUNT];
-
- for (uint32_t i = 0; i < TEAPOT_VERTEX_COUNT; ++i) {
- cool_array[i].pos[0] = teapot_positions[i][0];
- cool_array[i].pos[1] = teapot_positions[i][1];
- cool_array[i].pos[2] = teapot_positions[i][2];
-
- float u = teapot_positions[i][0] / teapot_positions[i][2];
- float v = teapot_positions[i][1] / teapot_positions[i][2];
-
- cool_array[i].uv[0] = u;
- cool_array[i].uv[1] = v;
- }
-
- size_t vert_size = TEAPOT_VERTEX_COUNT * sizeof *cool_array;
- size_t ind_size = TEAPOT_INDEX_COUNT * sizeof *teapot_indices;
-
- RendBuffer vert_buf = rend_buffer_create(renderer, vert_size, REND_BUFFER_VERTEX, true);
- RendBuffer ind_buf = rend_buffer_create(renderer, ind_size, REND_BUFFER_INDEX, true);
- rend_buffer_write(renderer, &vert_buf, cool_array, vert_size, 0);
- rend_buffer_write(renderer, &ind_buf, teapot_indices, ind_size, 0);
-
- int tex_w, tex_h, tex_channels;
- unsigned char *pixels = stbi_load(texture_path, &tex_w, &tex_h, &tex_channels, 4);
- RendTexture texture = rend_texture_create(renderer, tex_w, tex_h, 1, 0, 1, REND_FORMAT_R8G8B8A8_SRGB);
- if (pixels) {
- rend_texture_copy_data(renderer, &texture, pixels, (size_t)tex_w * tex_h * 4);
- stbi_image_free(pixels);
- }
-
- unsigned long basic_vert_bytes = 0;
- unsigned long basic_frag_bytes = 0;
- uint8_t *basic_vert = load_spv("basic.vert.spv", "demos/teapot/basic.vert.spv", &basic_vert_bytes);
- uint8_t *basic_frag = load_spv("basic.frag.spv", "demos/teapot/basic.frag.spv", &basic_frag_bytes);
-
- RendPipeline basic_pipeline = rend_pipeline_create_graphics_spirv(
- renderer,
- basic_vert, basic_vert_bytes,
- basic_frag, basic_frag_bytes,
- &(RendVertexBinding){ .binding = 0, .stride = sizeof(CoolVertex), .input_rate = REND_INPUT_RATE_VERTEX }, 1,
- (RendVertexAttributes[]){
- { .binding = 0, .location = 0, .format = REND_FORMAT_3_SFLOAT32, .offset = offsetof(CoolVertex, pos) },
- { .binding = 0, .location = 1, .format = REND_FORMAT_2_SFLOAT32, .offset = offsetof(CoolVertex, uv) }
- }, 2,
- &(RendPushConstantInfo){ .offset = 0, .size = sizeof(CoolPushConstants) }, 1,
- REND_POLYGON_MODE_FILL,
- REND_CULL_MODE_NONE,
- REND_TOPOLOGY_TRIANGLE_STRIP,
- REND_FORMAT_UNDEFINED,
- true
- );
-
- free(basic_vert);
- free(basic_frag);
- if (!basic_pipeline) {
- PFATAL("Failed to create teapot pipeline!");
- return 1;
- }
- rend_pipeline_bind_texture(basic_pipeline, &texture, 1, 0);
-
- float view[16], proj[16];
- float eye[3] = {0.0f, 0.0f, -3.0f};
- math_mat4_translate(view, eye);
- math_mat4_perspective(proj, MATH_PI_HALF, 800.0f / 600.0f, 0.1f, 100.0f);
- proj[5] *= -1.0f; /* Vulkan clip space Y inversion fix */
-
- bool running = true;
- float angle = 0;
-
- bool pointer_down = false;
- float last_pointer_x = 0;
- float last_pointer_y = 0;
-
- while (running) {
-
- PeakEvent ev;
- while (peak_window_epoll(&win, &ev)) {
- if (ev.type == PEAK_EVENT_WINDOW_CLOSE) {
- running = false;
- break;
- }
- if (ev.type == PEAK_EVENT_KEY_DOWN) {
- switch (ev.key.key) {
- case PEAK_KEY_W: {
- float d[3] = {0.0f, 0.0f, 0.1f};
- math_mat4_translate_by(view, d);
- } break;
- case PEAK_KEY_S: {
- float d[3] = {0.0f, 0.0f, -0.1f};
- math_mat4_translate_by(view, d);
- } break;
- case PEAK_KEY_A: {
- float d[3] = {0.1f, 0.0f, 0.0f};
- math_mat4_translate_by(view, d);
- } break;
- case PEAK_KEY_D: {
- float d[3] = {-0.1f, 0.0f, 0.0f};
- math_mat4_translate_by(view, d);
- } break;
- default: break;
- }
- break;
- }
- if (ev.type == PEAK_EVENT_POINTER) {
- if (ev.pointer.state == PEAK_POINTER_PRESSED && ev.pointer.type == PEAK_POINTER_LEFT) {
- pointer_down = true;
- last_pointer_x = ev.pointer.x;
- last_pointer_y = ev.pointer.y;
- } else if (ev.pointer.state == PEAK_POINTER_RELEASED && ev.pointer.type == PEAK_POINTER_LEFT) {
- pointer_down = false;
- } else if (ev.pointer.state == PEAK_POINTER_MOVED) {
- if (pointer_down) {
- float dx = ev.pointer.x - last_pointer_x;
- float dy = ev.pointer.y - last_pointer_y;
-
- float sensitivity = 0.005f;
- float yaw = dx * sensitivity;
- float pitch = dy * sensitivity;
-
- math_mat4_rotate_y_by(view, yaw);
- {
- float rx[16];
- int i;
- math_mat4_rotate_x(rx, pitch);
- math_mat4_mul(rx, view);
- for (i = 0; i < 16; i++) view[i] = rx[i];
- }
-
- last_pointer_x = ev.pointer.x;
- last_pointer_y = ev.pointer.y;
- }
- }
- }
- }
-
- angle += 0.05;
-
- float model[16], vm[16], mvp[16];
- int i;
- math_mat4_identity(model);
- math_mat4_rotate_y_by(model, angle * 0.5f);
-
- for (i = 0; i < 16; i++) vm[i] = view[i];
- math_mat4_mul(vm, model);
- for (i = 0; i < 16; i++) mvp[i] = proj[i];
- math_mat4_mul(mvp, vm);
-
- CoolPushConstants pc;
- for (i = 0; i < 16; i++) pc.MVP[i] = mvp[i];
-
- if (rend_renderer_frame_begin(renderer)) {
-
- rend_renderer_render_pass_begin(renderer, 0.5, 0.5, 0.5, 0.0); {
- rend_pipeline_bind(basic_pipeline);
- rend_pipeline_push_constants(basic_pipeline, &pc, sizeof pc);
- rend_pipeline_bind_vertex_buffer(basic_pipeline, 0, vert_buf, 0);
- rend_pipeline_bind_index_buffer(basic_pipeline, ind_buf, 0, REND_INDEX_UINT16);
- rend_pipeline_draw_indexed(basic_pipeline, TEAPOT_INDEX_COUNT, 0, 0, 1);
- } rend_renderer_render_pass_end(renderer);
-
- rend_renderer_frame_end(renderer, NULL);
- }
-
- }
-
- rend_texture_destroy(renderer, &texture);
- rend_buffer_destroy(&vert_buf);
- rend_buffer_destroy(&ind_buf);
- rend_renderer_destroy(renderer);
- rend_quit();
-
- peak_window_close(&win);
- peak_quit();
-
- return 0;
-}
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