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gerrit-public.fairphone.software / platform / external / vulkan-validation-layers / df5b51af6538cf9af0128fd9627f3d0d2f793708 / . / demos / cube.c
blob: ad3ba5da8d5b9c8e337fbe85365418f1c8e2e0bf [file] [log] [blame]
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include <xcb/xcb.h>
#include <xgl.h>
#include <xglDbg.h>
#include <xglWsiX11Ext.h>
#include "icd-bil.h"
#include "linmath.h"
#include <unistd.h>
#include <png.h>
#define DEMO_BUFFER_COUNT 2
#define DEMO_TEXTURE_COUNT 1
/*
* When not defined, code will use built-in GLSL compiler
* which may not be supported on all drivers
*/
#define EXTERNAL_BIL
static char *tex_files[] = {
"lunarg-logo-256x256-solid.png"
};
struct xglcube_vs_uniform {
// Must start with MVP
XGL_FLOAT mvp[4][4];
XGL_FLOAT position[12*3][4];
XGL_FLOAT color[12*3][4];
};
struct xgltexcube_vs_uniform {
// Must start with MVP
XGL_FLOAT mvp[4][4];
XGL_FLOAT position[12*3][4];
XGL_FLOAT attr[12*3][4];
};
//--------------------------------------------------------------------------------------
// Mesh and VertexFormat Data
//--------------------------------------------------------------------------------------
struct Vertex
{
XGL_FLOAT posX, posY, posZ, posW; // Position data
XGL_FLOAT r, g, b, a; // Color
};
struct VertexPosTex
{
XGL_FLOAT posX, posY, posZ, posW; // Position data
XGL_FLOAT u, v, s, t; // Texcoord
};
#define XYZ1(_x_, _y_, _z_) (_x_), (_y_), (_z_), 1.f
#define UV(_u_, _v_) (_u_), (_v_), 0.f, 1.f
static const XGL_FLOAT g_vertex_buffer_data[] = {
-1.0f,-1.0f,-1.0f, // Vertex 0
-1.0f,-1.0f, 1.0f,
-1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 1.0f, // Vertex 1
-1.0f, 1.0f,-1.0f,
-1.0f,-1.0f,-1.0f,
-1.0f,-1.0f,-1.0f, // Vertex 2
1.0f, 1.0f,-1.0f,
1.0f,-1.0f,-1.0f,
-1.0f,-1.0f,-1.0f, // Vertex 3
1.0f, 1.0f,-1.0f,
-1.0f, 1.0f,-1.0f,
-1.0f,-1.0f,-1.0f, // Vertex 4
1.0f,-1.0f, 1.0f,
1.0f,-1.0f,-1.0f,
-1.0f,-1.0f,-1.0f, // Vertex 5
-1.0f,-1.0f, 1.0f,
1.0f,-1.0f, 1.0f,
-1.0f, 1.0f,-1.0f, // Vertex 6
-1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
-1.0f, 1.0f,-1.0f, // Vertex 7
1.0f, 1.0f,-1.0f,
1.0f, 1.0f, 1.0f,
1.0f, 1.0f,-1.0f, // Vertex 8
1.0f, 1.0f, 1.0f,
1.0f,-1.0f, 1.0f,
1.0f,-1.0f, 1.0f, // Vertex 9
1.0f,-1.0f,-1.0f,
1.0f, 1.0f,-1.0f,
-1.0f, 1.0f, 1.0f, // Vertex 10
1.0f, 1.0f, 1.0f,
-1.0f,-1.0f, 1.0f,
-1.0f,-1.0f, 1.0f, // Vertex 11
1.0f,-1.0f, 1.0f,
1.0f, 1.0f, 1.0f,
};
static const XGL_FLOAT g_uv_buffer_data[] = {
1.0f, 0.0f, // Vertex 0
0.0f, 0.0f,
0.0f, 1.0f,
0.0f, 1.0f, // Vertex 1
1.0f, 1.0f,
1.0f, 0.0f,
// 0.0f, 1.0f, // Vertex 2
// 1.0f, 0.0f,
// 0.0f, 0.0f,
// 0.0f, 1.0f, // Vertex 3
// 1.0f, 0.0f,
// 1.0f, 1.0f,
0.0f, 0.0f, // Vertex 2
1.0f, 1.0f,
1.0f, 0.0f,
0.0f, 0.0f, // Vertex 3
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 1.0f, // Vertex 4
1.0f, 0.0f,
0.0f, 0.0f,
0.0f, 1.0f, // Vertex 5
1.0f, 1.0f,
1.0f, 0.0f,
0.0f, 1.0f, // Vertex 6
1.0f, 1.0f,
1.0f, 0.0f,
0.0f, 1.0f, // Vertex 7
0.0f, 0.0f,
1.0f, 0.0f,
0.0f, 1.0f, // Vertex 8
1.0f, 1.0f,
1.0f, 0.0f,
1.0f, 0.0f, // Vertex 9
0.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f, // Vertex 10
0.0f, 1.0f,
1.0f, 0.0f,
1.0f, 0.0f, // Vertex 11
0.0f, 0.0f,
0.0f, 1.0f,
};
void dumpMatrix(const char *note, mat4x4 MVP)
{
int i;
printf("%s: \n", note);
for (i=0; i<4; i++) {
printf("%f, %f, %f, %f\n", MVP[i][0], MVP[i][1], MVP[i][2], MVP[i][3]);
}
printf("\n");
fflush(stdout);
}
void dumpVec4(const char *note, vec4 vector)
{
printf("%s: \n", note);
printf("%f, %f, %f, %f\n", vector[0], vector[1], vector[2], vector[3]);
printf("\n");
fflush(stdout);
}
struct demo {
xcb_connection_t *connection;
xcb_screen_t *screen;
XGL_PHYSICAL_GPU gpu;
XGL_DEVICE device;
XGL_QUEUE queue;
int width, height;
XGL_FORMAT format;
struct {
XGL_IMAGE image;
XGL_GPU_MEMORY mem;
XGL_COLOR_ATTACHMENT_VIEW view;
XGL_FENCE fence;
} buffers[DEMO_BUFFER_COUNT];
struct {
XGL_FORMAT format;
XGL_IMAGE image;
XGL_GPU_MEMORY mem;
XGL_DEPTH_STENCIL_VIEW view;
} depth;
struct {
XGL_SAMPLER sampler;
char *filename;
XGL_IMAGE image;
XGL_GPU_MEMORY mem;
XGL_IMAGE_VIEW view;
} textures[DEMO_TEXTURE_COUNT];
struct {
XGL_BUFFER buf;
XGL_GPU_MEMORY mem;
XGL_BUFFER_VIEW view;
XGL_BUFFER_VIEW_ATTACH_INFO attach;
} uniform_data;
XGL_DESCRIPTOR_SET_LAYOUT desc_layout_vs;
XGL_DESCRIPTOR_SET_LAYOUT desc_layout_fs;
XGL_DESCRIPTOR_SET_LAYOUT *desc_layout_last;
XGL_PIPELINE pipeline;
XGL_DYNAMIC_VP_STATE_OBJECT viewport;
XGL_DYNAMIC_RS_STATE_OBJECT raster;
XGL_DYNAMIC_CB_STATE_OBJECT color_blend;
XGL_DYNAMIC_DS_STATE_OBJECT depth_stencil;
mat4x4 projection_matrix;
mat4x4 view_matrix;
mat4x4 model_matrix;
XGL_FLOAT spin_angle;
XGL_FLOAT spin_increment;
bool pause;
XGL_CMD_BUFFER cmd;
XGL_DESCRIPTOR_REGION desc_region;
XGL_DESCRIPTOR_SET desc_set;
xcb_window_t window;
xcb_intern_atom_reply_t *atom_wm_delete_window;
bool quit;
XGL_UINT current_buffer;
};
static void demo_draw_build_cmd(struct demo *demo)
{
const XGL_COLOR_ATTACHMENT_BIND_INFO color_attachment = {
.view = demo->buffers[demo->current_buffer].view,
.layout = XGL_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
};
const XGL_DEPTH_STENCIL_BIND_INFO depth_stencil = {
.view = demo->depth.view,
.layout = XGL_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
};
const XGL_FLOAT clear_color[4] = { 0.2f, 0.2f, 0.2f, 0.2f };
const XGL_FLOAT clear_depth = 1.0f;
XGL_IMAGE_SUBRESOURCE_RANGE clear_range;
XGL_CMD_BUFFER_GRAPHICS_BEGIN_INFO graphics_cmd_buf_info = {
.sType = XGL_STRUCTURE_TYPE_CMD_BUFFER_GRAPHICS_BEGIN_INFO,
.pNext = NULL,
.operation = XGL_RENDER_PASS_OPERATION_BEGIN_AND_END,
};
XGL_CMD_BUFFER_BEGIN_INFO cmd_buf_info = {
.sType = XGL_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO,
.pNext = &graphics_cmd_buf_info,
.flags = XGL_CMD_BUFFER_OPTIMIZE_GPU_SMALL_BATCH_BIT |
XGL_CMD_BUFFER_OPTIMIZE_ONE_TIME_SUBMIT_BIT,
};
XGL_RESULT err;
XGL_ATTACHMENT_LOAD_OP load_op = XGL_ATTACHMENT_LOAD_OP_DONT_CARE;
XGL_ATTACHMENT_STORE_OP store_op = XGL_ATTACHMENT_STORE_OP_DONT_CARE;
const XGL_FRAMEBUFFER_CREATE_INFO fb_info = {
.sType = XGL_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
.pNext = NULL,
.colorAttachmentCount = 1,
.pColorAttachments = (XGL_COLOR_ATTACHMENT_BIND_INFO*) &color_attachment,
.pDepthStencilAttachment = (XGL_DEPTH_STENCIL_BIND_INFO*) &depth_stencil,
.sampleCount = 1,
};
XGL_RENDER_PASS_CREATE_INFO rp_info;
memset(&rp_info, 0 , sizeof(rp_info));
err = xglCreateFramebuffer(demo->device, &fb_info, &(rp_info.framebuffer));
assert(!err);
rp_info.sType = XGL_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
rp_info.renderArea.extent.width = demo->width;
rp_info.renderArea.extent.height = demo->height;
rp_info.pColorLoadOps = &load_op;
rp_info.pColorStoreOps = &store_op;
rp_info.depthLoadOp = XGL_ATTACHMENT_LOAD_OP_DONT_CARE;
rp_info.depthStoreOp = XGL_ATTACHMENT_STORE_OP_DONT_CARE;
rp_info.stencilLoadOp = XGL_ATTACHMENT_LOAD_OP_DONT_CARE;
rp_info.stencilStoreOp = XGL_ATTACHMENT_STORE_OP_DONT_CARE;
err = xglCreateRenderPass(demo->device, &rp_info, &(graphics_cmd_buf_info.renderPass));
assert(!err);
err = xglBeginCommandBuffer(demo->cmd, &cmd_buf_info);
assert(!err);
xglCmdBindPipeline(demo->cmd, XGL_PIPELINE_BIND_POINT_GRAPHICS,
demo->pipeline);
xglCmdBindDescriptorSet(demo->cmd, XGL_PIPELINE_BIND_POINT_GRAPHICS,
demo->desc_set, NULL);
xglCmdBindDynamicStateObject(demo->cmd, XGL_STATE_BIND_VIEWPORT, demo->viewport);
xglCmdBindDynamicStateObject(demo->cmd, XGL_STATE_BIND_RASTER, demo->raster);
xglCmdBindDynamicStateObject(demo->cmd, XGL_STATE_BIND_COLOR_BLEND,
demo->color_blend);
xglCmdBindDynamicStateObject(demo->cmd, XGL_STATE_BIND_DEPTH_STENCIL,
demo->depth_stencil);
clear_range.aspect = XGL_IMAGE_ASPECT_COLOR;
clear_range.baseMipLevel = 0;
clear_range.mipLevels = 1;
clear_range.baseArraySlice = 0;
clear_range.arraySize = 1;
xglCmdClearColorImage(demo->cmd,
demo->buffers[demo->current_buffer].image,
clear_color, 1, &clear_range);
clear_range.aspect = XGL_IMAGE_ASPECT_DEPTH;
xglCmdClearDepthStencil(demo->cmd, demo->depth.image,
clear_depth, 0, 1, &clear_range);
xglCmdDraw(demo->cmd, 0, 12 * 3, 0, 1);
err = xglEndCommandBuffer(demo->cmd);
assert(!err);
}
void demo_update_data_buffer(struct demo *demo)
{
mat4x4 MVP, Model, VP;
int matrixSize = sizeof(MVP);
XGL_UINT8 *pData;
XGL_RESULT err;
mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
// Rotate 22.5 degrees around the Y axis
mat4x4_dup(Model, demo->model_matrix);
mat4x4_rotate(demo->model_matrix, Model, 0.0f, 1.0f, 0.0f, degreesToRadians(demo->spin_angle));
mat4x4_mul(MVP, VP, demo->model_matrix);
err = xglMapMemory(demo->uniform_data.mem, 0, (XGL_VOID **) &pData);
assert(!err);
memcpy(pData, (const void*) &MVP[0][0], matrixSize);
err = xglUnmapMemory(demo->uniform_data.mem);
assert(!err);
}
static void demo_draw(struct demo *demo)
{
const XGL_WSI_X11_PRESENT_INFO present = {
.destWindow = demo->window,
.srcImage = demo->buffers[demo->current_buffer].image,
.async = true,
.flip = false,
};
XGL_FENCE fence = demo->buffers[demo->current_buffer].fence;
XGL_RESULT err;
demo_draw_build_cmd(demo);
err = xglWaitForFences(demo->device, 1, &fence, XGL_TRUE, ~((XGL_UINT64) 0));
assert(err == XGL_SUCCESS || err == XGL_ERROR_UNAVAILABLE);
err = xglQueueSubmit(demo->queue, 1, &demo->cmd,
0, NULL, XGL_NULL_HANDLE);
assert(!err);
err = xglWsiX11QueuePresent(demo->queue, &present, fence);
assert(!err);
demo->current_buffer = (demo->current_buffer + 1) % DEMO_BUFFER_COUNT;
}
static void demo_prepare_buffers(struct demo *demo)
{
const XGL_WSI_X11_PRESENTABLE_IMAGE_CREATE_INFO presentable_image = {
.format = demo->format,
.usage = XGL_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
.extent = {
.width = demo->width,
.height = demo->height,
},
.flags = 0,
};
const XGL_FENCE_CREATE_INFO fence = {
.sType = XGL_STRUCTURE_TYPE_FENCE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
};
XGL_RESULT err;
XGL_UINT i;
for (i = 0; i < DEMO_BUFFER_COUNT; i++) {
XGL_COLOR_ATTACHMENT_VIEW_CREATE_INFO color_attachment_view = {
.sType = XGL_STRUCTURE_TYPE_COLOR_ATTACHMENT_VIEW_CREATE_INFO,
.pNext = NULL,
.format = demo->format,
.mipLevel = 0,
.baseArraySlice = 0,
.arraySize = 1,
};
err = xglWsiX11CreatePresentableImage(demo->device, &presentable_image,
&demo->buffers[i].image, &demo->buffers[i].mem);
assert(!err);
color_attachment_view.image = demo->buffers[i].image;
err = xglCreateColorAttachmentView(demo->device,
&color_attachment_view, &demo->buffers[i].view);
assert(!err);
err = xglCreateFence(demo->device,
&fence, &demo->buffers[i].fence);
assert(!err);
}
}
static void demo_prepare_depth(struct demo *demo)
{
const XGL_FORMAT depth_format = { XGL_CH_FMT_R16, XGL_NUM_FMT_DS };
const XGL_IMAGE_CREATE_INFO image = {
.sType = XGL_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = NULL,
.imageType = XGL_IMAGE_2D,
.format = depth_format,
.extent = { demo->width, demo->height, 1 },
.mipLevels = 1,
.arraySize = 1,
.samples = 1,
.tiling = XGL_OPTIMAL_TILING,
.usage = XGL_IMAGE_USAGE_DEPTH_STENCIL_BIT,
.flags = 0,
};
XGL_MEMORY_ALLOC_INFO mem_alloc = {
.sType = XGL_STRUCTURE_TYPE_MEMORY_ALLOC_INFO,
.pNext = NULL,
.allocationSize = 0,
.alignment = 0,
.flags = 0,
.heapCount = 0,
.memPriority = XGL_MEMORY_PRIORITY_NORMAL,
};
XGL_DEPTH_STENCIL_VIEW_CREATE_INFO view = {
.sType = XGL_STRUCTURE_TYPE_DEPTH_STENCIL_VIEW_CREATE_INFO,
.pNext = NULL,
.image = XGL_NULL_HANDLE,
.mipLevel = 0,
.baseArraySlice = 0,
.arraySize = 1,
.flags = 0,
};
XGL_MEMORY_REQUIREMENTS mem_reqs;
XGL_SIZE mem_reqs_size = sizeof(XGL_MEMORY_REQUIREMENTS);
XGL_RESULT err;
demo->depth.format = depth_format;
/* create image */
err = xglCreateImage(demo->device, &image,
&demo->depth.image);
assert(!err);
err = xglGetObjectInfo(demo->depth.image,
XGL_INFO_TYPE_MEMORY_REQUIREMENTS,
&mem_reqs_size, &mem_reqs);
assert(!err && mem_reqs_size == sizeof(mem_reqs));
mem_alloc.allocationSize = mem_reqs.size;
mem_alloc.alignment = mem_reqs.alignment;
mem_alloc.heapCount = mem_reqs.heapCount;
XGL_UINT heapInfo[1];
mem_alloc.pHeaps = (const XGL_UINT *)&heapInfo;
memcpy(&heapInfo, mem_reqs.pHeaps,
sizeof(mem_reqs.pHeaps[0]) * mem_reqs.heapCount);
/* allocate memory */
err = xglAllocMemory(demo->device, &mem_alloc,
&demo->depth.mem);
assert(!err);
/* bind memory */
err = xglBindObjectMemory(demo->depth.image,
demo->depth.mem, 0);
assert(!err);
/* create image view */
view.image = demo->depth.image;
err = xglCreateDepthStencilView(demo->device, &view,
&demo->depth.view);
assert(!err);
}
/** loadTexture
* loads a png file into an memory object, using cstdio , libpng.
*
* \param demo : Needed to access XGL calls
* \param filename : the png file to be loaded
* \param width : width of png, to be updated as a side effect of this function
* \param height : height of png, to be updated as a side effect of this function
*
* \return bool : an opengl texture id. true if successful?,
* should be validated by the client of this function.
*
* Source: http://en.wikibooks.org/wiki/OpenGL_Programming/Intermediate/Textures
* Modified to copy image to memory
*
*/
bool loadTexture(char *filename, XGL_UINT8 *rgba_data,
XGL_SUBRESOURCE_LAYOUT *layout,
XGL_INT *width, XGL_INT *height)
{
//header for testing if it is a png
png_byte header[8];
int i, is_png, bit_depth, color_type,rowbytes;
png_uint_32 twidth, theight;
png_structp png_ptr;
png_infop info_ptr, end_info;
png_byte *image_data;
png_bytep *row_pointers;
//open file as binary
FILE *fp = fopen(filename, "rb");
if (!fp) {
return false;
}
//read the header
fread(header, 1, 8, fp);
//test if png
is_png = !png_sig_cmp(header, 0, 8);
if (!is_png) {
fclose(fp);
return false;
}
//create png struct
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL,
NULL, NULL);
if (!png_ptr) {
fclose(fp);
return (false);
}
//create png info struct
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_read_struct(&png_ptr, (png_infopp) NULL, (png_infopp) NULL);
fclose(fp);
return (false);
}
//create png info struct
end_info = png_create_info_struct(png_ptr);
if (!end_info) {
png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
fclose(fp);
return (false);
}
//png error stuff, not sure libpng man suggests this.
if (setjmp(png_jmpbuf(png_ptr))) {
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
fclose(fp);
return (false);
}
//init png reading
png_init_io(png_ptr, fp);
//let libpng know you already read the first 8 bytes
png_set_sig_bytes(png_ptr, 8);
// read all the info up to the image data
png_read_info(png_ptr, info_ptr);
// get info about png
png_get_IHDR(png_ptr, info_ptr, &twidth, &theight, &bit_depth, &color_type,
NULL, NULL, NULL);
//update width and height based on png info
*width = twidth;
*height = theight;
// Require that incoming texture be 8bits per color component
// and 4 components (RGBA).
if (png_get_bit_depth(png_ptr, info_ptr) != 8 ||
png_get_channels(png_ptr, info_ptr) != 4) {
return false;
}
if (rgba_data == NULL) {
// If data pointer is null, we just want the width & height
// clean up memory and close stuff
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
fclose(fp);
return true;
}
// Update the png info struct.
png_read_update_info(png_ptr, info_ptr);
// Row size in bytes.
rowbytes = png_get_rowbytes(png_ptr, info_ptr);
// Allocate the image_data as a big block, to be given to opengl
image_data = (png_byte *)malloc(rowbytes * theight * sizeof(png_byte));
if (!image_data) {
//clean up memory and close stuff
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
fclose(fp);
return false;
}
// row_pointers is for pointing to image_data for reading the png with libpng
row_pointers = (png_bytep *)malloc(theight * sizeof(png_bytep));
if (!row_pointers) {
//clean up memory and close stuff
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
// delete[] image_data;
fclose(fp);
return false;
}
// set the individual row_pointers to point at the correct offsets of image_data
for (i = 0; i < theight; ++i)
row_pointers[theight - 1 - i] = rgba_data + i * rowbytes;
// read the png into image_data through row_pointers
png_read_image(png_ptr, row_pointers);
// clean up memory and close stuff
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
free(row_pointers);
free(image_data);
fclose(fp);
return true;
}
static void demo_prepare_textures(struct demo *demo)
{
const XGL_FORMAT tex_format = { XGL_CH_FMT_R8G8B8A8, XGL_NUM_FMT_UNORM };
XGL_INT tex_width;
XGL_INT tex_height;
XGL_RESULT err;
XGL_UINT i;
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
const XGL_SAMPLER_CREATE_INFO sampler = {
.sType = XGL_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.pNext = NULL,
.magFilter = XGL_TEX_FILTER_NEAREST,
.minFilter = XGL_TEX_FILTER_NEAREST,
.mipMode = XGL_TEX_MIPMAP_BASE,
.addressU = XGL_TEX_ADDRESS_CLAMP,
.addressV = XGL_TEX_ADDRESS_CLAMP,
.addressW = XGL_TEX_ADDRESS_CLAMP,
.mipLodBias = 0.0f,
.maxAnisotropy = 0,
.compareFunc = XGL_COMPARE_NEVER,
.minLod = 0.0f,
.maxLod = 0.0f,
.borderColorType = XGL_BORDER_COLOR_OPAQUE_WHITE,
};
assert(loadTexture(tex_files[i], NULL, NULL, &tex_width, &tex_height));
const XGL_IMAGE_CREATE_INFO image = {
.sType = XGL_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.pNext = NULL,
.imageType = XGL_IMAGE_2D,
.format = tex_format,
.extent = { tex_width, tex_height, 1 },
.mipLevels = 1,
.arraySize = 1,
.samples = 1,
.tiling = XGL_LINEAR_TILING,
.usage = XGL_IMAGE_USAGE_SHADER_ACCESS_READ_BIT,
.flags = 0,
};
XGL_MEMORY_ALLOC_INFO mem_alloc = {
.sType = XGL_STRUCTURE_TYPE_MEMORY_ALLOC_INFO,
.pNext = NULL,
.allocationSize = 0,
.alignment = 0,
.flags = 0,
.heapCount = 0,
.pHeaps = 0,
.memPriority = XGL_MEMORY_PRIORITY_NORMAL,
};
XGL_IMAGE_VIEW_CREATE_INFO view = {
.sType = XGL_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.pNext = NULL,
.image = XGL_NULL_HANDLE,
.viewType = XGL_IMAGE_VIEW_2D,
.format = image.format,
.channels = { XGL_CHANNEL_SWIZZLE_R,
XGL_CHANNEL_SWIZZLE_G,
XGL_CHANNEL_SWIZZLE_B,
XGL_CHANNEL_SWIZZLE_A, },
.subresourceRange = { XGL_IMAGE_ASPECT_COLOR, 0, 1, 0, 1 },
.minLod = 0.0f,
};
XGL_MEMORY_REQUIREMENTS mem_reqs;
XGL_SIZE mem_reqs_size = sizeof(XGL_MEMORY_REQUIREMENTS);
/* create sampler */
err = xglCreateSampler(demo->device, &sampler,
&demo->textures[i].sampler);
assert(!err);
/* create image */
err = xglCreateImage(demo->device, &image,
&demo->textures[i].image);
assert(!err);
err = xglGetObjectInfo(demo->textures[i].image,
XGL_INFO_TYPE_MEMORY_REQUIREMENTS,
&mem_reqs_size, &mem_reqs);
assert(!err && mem_reqs_size == sizeof(mem_reqs));
mem_alloc.allocationSize = mem_reqs.size;
mem_alloc.alignment = mem_reqs.alignment;
mem_alloc.heapCount = mem_reqs.heapCount;
XGL_UINT heapInfo[1];
mem_alloc.pHeaps = (const XGL_UINT *)&heapInfo;
memcpy(&heapInfo, mem_reqs.pHeaps,
sizeof(mem_reqs.pHeaps[0]) * mem_reqs.heapCount);
/* allocate memory */
err = xglAllocMemory(demo->device, &mem_alloc,
&demo->textures[i].mem);
assert(!err);
/* bind memory */
err = xglBindObjectMemory(demo->textures[i].image,
demo->textures[i].mem, 0);
assert(!err);
/* create image view */
view.image = demo->textures[i].image;
err = xglCreateImageView(demo->device, &view,
&demo->textures[i].view);
assert(!err);
}
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
const XGL_IMAGE_SUBRESOURCE subres = {
.aspect = XGL_IMAGE_ASPECT_COLOR,
.mipLevel = 0,
.arraySlice = 0,
};
XGL_SUBRESOURCE_LAYOUT layout;
XGL_SIZE layout_size = sizeof(layout);
XGL_VOID *data;
err = xglGetImageSubresourceInfo(demo->textures[i].image, &subres,
XGL_INFO_TYPE_SUBRESOURCE_LAYOUT, &layout_size, &layout);
assert(!err && layout_size == sizeof(layout));
err = xglMapMemory(demo->textures[i].mem, 0, &data);
assert(!err);
loadTexture(tex_files[i], data, &layout, &tex_width, &tex_height);
err = xglUnmapMemory(demo->textures[i].mem);
assert(!err);
}
}
void demo_prepare_cube_data_buffer(struct demo *demo)
{
XGL_BUFFER_CREATE_INFO buf_info;
XGL_BUFFER_VIEW_CREATE_INFO view_info;
XGL_MEMORY_ALLOC_INFO alloc_info;
XGL_MEMORY_REQUIREMENTS mem_reqs;
XGL_SIZE mem_reqs_size = sizeof(XGL_MEMORY_REQUIREMENTS);
XGL_UINT8 *pData;
int i;
mat4x4 MVP, VP;
XGL_RESULT err;
struct xgltexcube_vs_uniform data;
mat4x4_mul(VP, demo->projection_matrix, demo->view_matrix);
mat4x4_mul(MVP, VP, demo->model_matrix);
memcpy(data.mvp, MVP, sizeof(MVP));
// dumpMatrix("MVP", MVP);
for (i=0; i<12*3; i++) {
data.position[i][0] = g_vertex_buffer_data[i*3];
data.position[i][1] = g_vertex_buffer_data[i*3+1];
data.position[i][2] = g_vertex_buffer_data[i*3+2];
data.position[i][3] = 1.0f;
data.attr[i][0] = g_uv_buffer_data[2*i];
data.attr[i][1] = g_uv_buffer_data[2*i + 1];
data.attr[i][2] = 0;
data.attr[i][3] = 0;
}
memset(&buf_info, 0, sizeof(buf_info));
buf_info.sType = XGL_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
buf_info.size = sizeof(data);
buf_info.usage = XGL_BUFFER_USAGE_UNIFORM_READ_BIT;
err = xglCreateBuffer(demo->device, &buf_info, &demo->uniform_data.buf);
assert(!err);
err = xglGetObjectInfo(demo->uniform_data.buf,
XGL_INFO_TYPE_MEMORY_REQUIREMENTS,
&mem_reqs_size, &mem_reqs);
assert(!err && mem_reqs_size == sizeof(mem_reqs));
memset(&alloc_info, 0, sizeof(alloc_info));
alloc_info.sType = XGL_STRUCTURE_TYPE_MEMORY_ALLOC_INFO;
alloc_info.allocationSize = mem_reqs.size;
alloc_info.alignment = mem_reqs.alignment;
alloc_info.heapCount = mem_reqs.heapCount;
XGL_UINT heapInfo[1];
alloc_info.pHeaps = (const XGL_UINT *)&heapInfo;
memcpy(&heapInfo, mem_reqs.pHeaps,
sizeof(mem_reqs.pHeaps[0]) * mem_reqs.heapCount);
alloc_info.memPriority = XGL_MEMORY_PRIORITY_NORMAL;
err = xglAllocMemory(demo->device, &alloc_info, &demo->uniform_data.mem);
assert(!err);
err = xglMapMemory(demo->uniform_data.mem, 0, (XGL_VOID **) &pData);
assert(!err);
memcpy(pData, &data, alloc_info.allocationSize);
err = xglUnmapMemory(demo->uniform_data.mem);
assert(!err);
err = xglBindObjectMemory(demo->uniform_data.buf,
demo->uniform_data.mem, 0);
assert(!err);
memset(&view_info, 0, sizeof(view_info));
view_info.sType = XGL_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO;
view_info.buffer = demo->uniform_data.buf;
view_info.viewType = XGL_BUFFER_VIEW_RAW;
view_info.offset = 0;
view_info.range = sizeof(data);
err = xglCreateBufferView(demo->device, &view_info, &demo->uniform_data.view);
assert(!err);
demo->uniform_data.attach.sType = XGL_STRUCTURE_TYPE_BUFFER_VIEW_ATTACH_INFO;
demo->uniform_data.attach.view = demo->uniform_data.view;
}
static void demo_prepare_descriptor_layout(struct demo *demo)
{
const XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO descriptor_layout_vs = {
.sType = XGL_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = NULL,
.descriptorType = XGL_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.count = 1,
.stageFlags = XGL_SHADER_STAGE_FLAGS_VERTEX_BIT,
.immutableSampler = XGL_NULL_HANDLE,
};
const XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO descriptor_layout_fs = {
.sType = XGL_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
.pNext = NULL,
.descriptorType = XGL_DESCRIPTOR_TYPE_SAMPLER_TEXTURE,
.count = DEMO_TEXTURE_COUNT,
.stageFlags = XGL_SHADER_STAGE_FLAGS_FRAGMENT_BIT,
.immutableSampler = XGL_NULL_HANDLE,
};
const uint32_t bind_point = 0;
XGL_RESULT err;
err = xglCreateDescriptorSetLayout(demo->device,
XGL_SHADER_STAGE_FLAGS_VERTEX_BIT, &bind_point,
XGL_NULL_HANDLE, &descriptor_layout_vs,
&demo->desc_layout_vs);
assert(!err);
err = xglCreateDescriptorSetLayout(demo->device,
XGL_SHADER_STAGE_FLAGS_FRAGMENT_BIT, &bind_point,
demo->desc_layout_vs, &descriptor_layout_fs,
&demo->desc_layout_fs);
assert(!err);
demo->desc_layout_last = &demo->desc_layout_fs;
}
static XGL_SHADER demo_prepare_shader(struct demo *demo,
XGL_PIPELINE_SHADER_STAGE stage,
const void *code,
XGL_SIZE size)
{
XGL_SHADER_CREATE_INFO createInfo;
XGL_SHADER shader;
XGL_RESULT err;
createInfo.sType = XGL_STRUCTURE_TYPE_SHADER_CREATE_INFO;
createInfo.pNext = NULL;
#ifdef EXTERNAL_BIL
createInfo.codeSize = size;
createInfo.pCode = code;
createInfo.flags = 0;
err = xglCreateShader(demo->device, &createInfo, &shader);
if (err) {
free((void *) createInfo.pCode);
}
#else
// Create fake BIL structure to feed GLSL
// to the driver "under the covers"
createInfo.codeSize = 3 * sizeof(uint32_t) + size + 1;
createInfo.pCode = malloc(createInfo.codeSize);
createInfo.flags = 0;
/* try version 0 first: XGL_PIPELINE_SHADER_STAGE followed by GLSL */
((uint32_t *) createInfo.pCode)[0] = ICD_BIL_MAGIC;
((uint32_t *) createInfo.pCode)[1] = 0;
((uint32_t *) createInfo.pCode)[2] = stage;
memcpy(((uint32_t *) createInfo.pCode + 3), code, size + 1);
err = xglCreateShader(demo->device, &createInfo, &shader);
if (err) {
free((void *) createInfo.pCode);
return NULL;
}
#endif
return shader;
}
char *demo_read_bil(const char *filename, XGL_SIZE *psize)
{
long int size;
void *shader_code;
FILE *fp = fopen(filename, "rb");
if (!fp) return NULL;
fseek(fp, 0L, SEEK_END);
size = ftell(fp);
fseek(fp, 0L, SEEK_SET);
shader_code = malloc(size);
fread(shader_code, size, 1, fp);
*psize = size;
return shader_code;
}
static XGL_SHADER demo_prepare_vs(struct demo *demo)
{
#ifdef EXTERNAL_BIL
void *vertShaderCode;
XGL_SIZE size;
vertShaderCode = demo_read_bil("cube-vert.bil", &size);
return demo_prepare_shader(demo, XGL_SHADER_STAGE_VERTEX,
vertShaderCode, size);
#else
static const char *vertShaderText =
"#version 140\n"
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"\n"
"layout(binding = 0) uniform buf {\n"
" mat4 MVP;\n"
" vec4 position[12*3];\n"
" vec4 attr[12*3];\n"
"} ubuf;\n"
"\n"
"layout (location = 0) out vec4 texcoord;\n"
"\n"
"void main() \n"
"{\n"
" texcoord = ubuf.attr[gl_VertexID];\n"
" gl_Position = ubuf.MVP * ubuf.position[gl_VertexID];\n"
"}\n";
return demo_prepare_shader(demo, XGL_SHADER_STAGE_VERTEX,
(const void *) vertShaderText,
strlen(vertShaderText));
#endif
}
static XGL_SHADER demo_prepare_fs(struct demo *demo)
{
#ifdef EXTERNAL_BIL
void *fragShaderCode;
XGL_SIZE size;
fragShaderCode = demo_read_bil("cube-frag.bil", &size);
return demo_prepare_shader(demo, XGL_SHADER_STAGE_FRAGMENT,
fragShaderCode, size);
#else
static const char *fragShaderText =
"#version 140\n"
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"layout (binding = 0) uniform sampler2D tex;\n"
"\n"
"layout (location = 0) in vec4 texcoord;\n"
"void main() {\n"
" gl_FragColor = texture(tex, texcoord.xy);\n"
"}\n";
return demo_prepare_shader(demo, XGL_SHADER_STAGE_FRAGMENT,
(const void *) fragShaderText,
strlen(fragShaderText));
#endif
}
static void demo_prepare_pipeline(struct demo *demo)
{
XGL_GRAPHICS_PIPELINE_CREATE_INFO pipeline;
XGL_PIPELINE_IA_STATE_CREATE_INFO ia;
XGL_PIPELINE_RS_STATE_CREATE_INFO rs;
XGL_PIPELINE_CB_STATE_CREATE_INFO cb;
XGL_PIPELINE_DS_STATE_CREATE_INFO ds;
XGL_PIPELINE_SHADER_STAGE_CREATE_INFO vs;
XGL_PIPELINE_SHADER_STAGE_CREATE_INFO fs;
XGL_PIPELINE_VP_STATE_CREATE_INFO vp;
XGL_PIPELINE_MS_STATE_CREATE_INFO ms;
XGL_RESULT err;
memset(&pipeline, 0, sizeof(pipeline));
pipeline.sType = XGL_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipeline.lastSetLayout = *demo->desc_layout_last;
memset(&ia, 0, sizeof(ia));
ia.sType = XGL_STRUCTURE_TYPE_PIPELINE_IA_STATE_CREATE_INFO;
ia.topology = XGL_TOPOLOGY_TRIANGLE_LIST;
memset(&rs, 0, sizeof(rs));
rs.sType = XGL_STRUCTURE_TYPE_PIPELINE_RS_STATE_CREATE_INFO;
rs.fillMode = XGL_FILL_SOLID;
rs.cullMode = XGL_CULL_NONE;
rs.frontFace = XGL_FRONT_FACE_CCW;
memset(&cb, 0, sizeof(cb));
cb.sType = XGL_STRUCTURE_TYPE_PIPELINE_CB_STATE_CREATE_INFO;
XGL_PIPELINE_CB_ATTACHMENT_STATE att_state[1];
memset(att_state, 0, sizeof(att_state));
att_state[0].format = demo->format;
att_state[0].channelWriteMask = 0xf;
att_state[0].blendEnable = XGL_FALSE;
cb.attachmentCount = 1;
cb.pAttachments = att_state;
memset(&vp, 0, sizeof(vp));
vp.sType = XGL_STRUCTURE_TYPE_PIPELINE_VP_STATE_CREATE_INFO;
vp.scissorEnable = XGL_FALSE;
memset(&ds, 0, sizeof(ds));
ds.sType = XGL_STRUCTURE_TYPE_PIPELINE_DS_STATE_CREATE_INFO;
ds.format = demo->depth.format;
ds.depthTestEnable = XGL_TRUE;
ds.depthWriteEnable = XGL_TRUE;
ds.depthFunc = XGL_COMPARE_LESS_EQUAL;
ds.depthBoundsEnable = XGL_FALSE;
ds.back.stencilFailOp = XGL_STENCIL_OP_KEEP;
ds.back.stencilPassOp = XGL_STENCIL_OP_KEEP;
ds.back.stencilFunc = XGL_COMPARE_ALWAYS;
ds.stencilTestEnable = XGL_FALSE;
ds.front = ds.back;
memset(&vs, 0, sizeof(vs));
vs.sType = XGL_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
vs.shader.stage = XGL_SHADER_STAGE_VERTEX;
vs.shader.shader = demo_prepare_vs(demo);
assert(vs.shader.shader != NULL);
memset(&fs, 0, sizeof(fs));
fs.sType = XGL_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
fs.shader.stage = XGL_SHADER_STAGE_FRAGMENT;
fs.shader.shader = demo_prepare_fs(demo);
assert(fs.shader.shader != NULL);
memset(&ms, 0, sizeof(ms));
ms.sType = XGL_STRUCTURE_TYPE_PIPELINE_MS_STATE_CREATE_INFO;
ms.sampleMask = 1;
ms.multisampleEnable = XGL_FALSE;
ms.samples = 1;
pipeline.pNext = (const XGL_VOID *) &ia;
ia.pNext = (const XGL_VOID *) &rs;
rs.pNext = (const XGL_VOID *) &cb;
cb.pNext = (const XGL_VOID *) &ms;
ms.pNext = (const XGL_VOID *) &vp;
vp.pNext = (const XGL_VOID *) &ds;
ds.pNext = (const XGL_VOID *) &vs;
vs.pNext = (const XGL_VOID *) &fs;
err = xglCreateGraphicsPipeline(demo->device, &pipeline, &demo->pipeline);
assert(!err);
xglDestroyObject(vs.shader.shader);
xglDestroyObject(fs.shader.shader);
}
static void demo_prepare_dynamic_states(struct demo *demo)
{
XGL_DYNAMIC_VP_STATE_CREATE_INFO viewport_create;
XGL_DYNAMIC_RS_STATE_CREATE_INFO raster;
XGL_DYNAMIC_CB_STATE_CREATE_INFO color_blend;
XGL_DYNAMIC_DS_STATE_CREATE_INFO depth_stencil;
XGL_RESULT err;
memset(&viewport_create, 0, sizeof(viewport_create));
viewport_create.sType = XGL_STRUCTURE_TYPE_DYNAMIC_VP_STATE_CREATE_INFO;
viewport_create.viewportCount = 1;
XGL_VIEWPORT viewport;
viewport.height = (XGL_FLOAT) demo->height;
viewport.width = (XGL_FLOAT) demo->width;
viewport.minDepth = (XGL_FLOAT) 0.0f;
viewport.maxDepth = (XGL_FLOAT) 1.0f;
viewport_create.pViewports = &viewport;
memset(&raster, 0, sizeof(raster));
raster.sType = XGL_STRUCTURE_TYPE_DYNAMIC_RS_STATE_CREATE_INFO;
memset(&color_blend, 0, sizeof(color_blend));
color_blend.sType = XGL_STRUCTURE_TYPE_DYNAMIC_CB_STATE_CREATE_INFO;
memset(&depth_stencil, 0, sizeof(depth_stencil));
depth_stencil.sType = XGL_STRUCTURE_TYPE_DYNAMIC_DS_STATE_CREATE_INFO;
depth_stencil.stencilBackRef = 0;
depth_stencil.stencilFrontRef = 0;
depth_stencil.stencilReadMask = 0xff;
depth_stencil.stencilWriteMask = 0xff;
err = xglCreateDynamicViewportState(demo->device, &viewport_create, &demo->viewport);
assert(!err);
err = xglCreateDynamicRasterState(demo->device, &raster, &demo->raster);
assert(!err);
err = xglCreateDynamicColorBlendState(demo->device,
&color_blend, &demo->color_blend);
assert(!err);
err = xglCreateDynamicDepthStencilState(demo->device,
&depth_stencil, &demo->depth_stencil);
assert(!err);
}
static void demo_prepare_descriptor_region(struct demo *demo)
{
const XGL_DESCRIPTOR_TYPE_COUNT type_counts[2] = {
[0] = {
.type = XGL_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
.count = 1,
},
[1] = {
.type = XGL_DESCRIPTOR_TYPE_SAMPLER_TEXTURE,
.count = DEMO_TEXTURE_COUNT,
},
};
const XGL_DESCRIPTOR_REGION_CREATE_INFO descriptor_region = {
.sType = XGL_STRUCTURE_TYPE_DESCRIPTOR_REGION_CREATE_INFO,
.pNext = NULL,
.count = 2,
.pTypeCount = type_counts,
};
XGL_RESULT err;
err = xglCreateDescriptorRegion(demo->device,
XGL_DESCRIPTOR_REGION_USAGE_ONE_SHOT, 1,
&descriptor_region, &demo->desc_region);
assert(!err);
}
static void demo_prepare_descriptor_set(struct demo *demo)
{
const XGL_BUFFER_VIEW_ATTACH_INFO *view_info_vs =
&demo->uniform_data.attach;
XGL_IMAGE_VIEW_ATTACH_INFO view_info[DEMO_TEXTURE_COUNT];
XGL_SAMPLER_IMAGE_VIEW_INFO combined_info[DEMO_TEXTURE_COUNT];
XGL_UPDATE_SAMPLER_TEXTURES update_fs;
XGL_UPDATE_BUFFERS update_vs;
XGL_RESULT err;
uint32_t count;
XGL_UINT i;
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
view_info[i].sType = XGL_STRUCTURE_TYPE_IMAGE_VIEW_ATTACH_INFO;
view_info[i].pNext = NULL;
view_info[i].view = demo->textures[i].view,
view_info[i].layout = XGL_IMAGE_LAYOUT_GENERAL;
combined_info[i].pSampler = demo->textures[i].sampler;
combined_info[i].pImageView = &view_info[i];
}
memset(&update_vs, 0, sizeof(update_vs));
update_vs.sType = XGL_STRUCTURE_TYPE_UPDATE_BUFFERS;
update_vs.pNext = &update_fs;
update_vs.descriptorType = XGL_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
update_vs.count = 1;
update_vs.pBufferViews = &view_info_vs;
memset(&update_fs, 0, sizeof(update_fs));
update_fs.sType = XGL_STRUCTURE_TYPE_UPDATE_SAMPLER_TEXTURES;
update_fs.index = 1;
update_fs.count = DEMO_TEXTURE_COUNT;
update_fs.pSamplerImageViews = combined_info;
err = xglAllocDescriptorSets(demo->desc_region,
XGL_DESCRIPTOR_SET_USAGE_STATIC,
1, demo->desc_layout_last,
&demo->desc_set, &count);
assert(!err && count == 1);
xglBeginDescriptorRegionUpdate(demo->device,
XGL_DESCRIPTOR_UPDATE_MODE_FASTEST);
xglClearDescriptorSets(demo->desc_region, 1, &demo->desc_set);
xglUpdateDescriptors(demo->desc_set, &update_vs);
xglEndDescriptorRegionUpdate(demo->device, demo->cmd);
}
static void demo_prepare(struct demo *demo)
{
const XGL_CMD_BUFFER_CREATE_INFO cmd = {
.sType = XGL_STRUCTURE_TYPE_CMD_BUFFER_CREATE_INFO,
.pNext = NULL,
.queueType = XGL_QUEUE_TYPE_GRAPHICS,
.flags = 0,
};
XGL_RESULT err;
demo_prepare_buffers(demo);
demo_prepare_depth(demo);
demo_prepare_textures(demo);
demo_prepare_cube_data_buffer(demo);
demo_prepare_descriptor_layout(demo);
demo_prepare_pipeline(demo);
demo_prepare_dynamic_states(demo);
err = xglCreateCommandBuffer(demo->device, &cmd, &demo->cmd);
assert(!err);
demo_prepare_descriptor_region(demo);
demo_prepare_descriptor_set(demo);
}
static void demo_handle_event(struct demo *demo,
const xcb_generic_event_t *event)
{
u_int8_t event_code = event->response_type & 0x7f;
switch (event_code) {
case XCB_EXPOSE:
// TODO: Resize window
break;
case XCB_CLIENT_MESSAGE:
if((*(xcb_client_message_event_t*)event).data.data32[0] ==
(*demo->atom_wm_delete_window).atom) {
demo->quit = true;
}
break;
case XCB_KEY_RELEASE:
{
const xcb_key_release_event_t *key =
(const xcb_key_release_event_t *) event;
switch (key->detail) {
case 0x9: // Escape
demo->quit = true;
break;
case 0x71: // left arrow key
demo->spin_angle += demo->spin_increment;
break;
case 0x72: // right arrow key
demo->spin_angle -= demo->spin_increment;
break;
case 0x41:
demo->pause = !demo->pause;
break;
}
}
break;
default:
break;
}
}
static void demo_run(struct demo *demo)
{
xcb_flush(demo->connection);
while (!demo->quit) {
xcb_generic_event_t *event;
if (demo->pause) {
event = xcb_wait_for_event(demo->connection);
} else {
event = xcb_poll_for_event(demo->connection);
}
if (event) {
demo_handle_event(demo, event);
free(event);
}
// Wait for work to finish before updating MVP.
xglDeviceWaitIdle(demo->device);
demo_update_data_buffer(demo);
demo_draw(demo);
// Wait for work to finish before updating MVP.
xglDeviceWaitIdle(demo->device);
}
}
static void demo_create_window(struct demo *demo)
{
uint32_t value_mask, value_list[32];
demo->window = xcb_generate_id(demo->connection);
value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
value_list[0] = demo->screen->black_pixel;
value_list[1] = XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_EXPOSURE;
xcb_create_window(demo->connection,
XCB_COPY_FROM_PARENT,
demo->window, demo->screen->root,
0, 0, demo->width, demo->height, 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
demo->screen->root_visual,
value_mask, value_list);
/* Magic code that will send notification when window is destroyed */
xcb_intern_atom_cookie_t cookie = xcb_intern_atom(demo->connection, 1, 12,
"WM_PROTOCOLS");
xcb_intern_atom_reply_t* reply = xcb_intern_atom_reply(demo->connection, cookie, 0);
xcb_intern_atom_cookie_t cookie2 = xcb_intern_atom(demo->connection, 0, 16, "WM_DELETE_WINDOW");
demo->atom_wm_delete_window = xcb_intern_atom_reply(demo->connection, cookie2, 0);
xcb_change_property(demo->connection, XCB_PROP_MODE_REPLACE,
demo->window, (*reply).atom, 4, 32, 1,
&(*demo->atom_wm_delete_window).atom);
free(reply);
xcb_map_window(demo->connection, demo->window);
}
static void demo_init_xgl(struct demo *demo)
{
const XGL_APPLICATION_INFO app = {
.sType = XGL_STRUCTURE_TYPE_APPLICATION_INFO,
.pNext = NULL,
.pAppName = "cube",
.appVersion = 0,
.pEngineName = "cube",
.engineVersion = 0,
.apiVersion = XGL_MAKE_VERSION(0, 22, 0),
};
const XGL_WSI_X11_CONNECTION_INFO connection = {
.pConnection = demo->connection,
.root = demo->screen->root,
.provider = 0,
};
const XGL_DEVICE_QUEUE_CREATE_INFO queue = {
.queueNodeIndex = 0,
.queueCount = 1,
};
const XGL_CHAR *ext_names[] = {
"XGL_WSI_X11",
};
const XGL_DEVICE_CREATE_INFO device = {
.sType = XGL_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
.pNext = NULL,
.queueRecordCount = 1,
.pRequestedQueues = &queue,
.extensionCount = 1,
.ppEnabledExtensionNames = ext_names,
.maxValidationLevel = XGL_VALIDATION_LEVEL_END_RANGE,
.flags = XGL_DEVICE_CREATE_VALIDATION_BIT,
};
XGL_RESULT err;
XGL_UINT gpu_count;
XGL_UINT i;
err = xglInitAndEnumerateGpus(&app, NULL, 1, &gpu_count, &demo->gpu);
assert(!err && gpu_count == 1);
for (i = 0; i < device.extensionCount; i++) {
err = xglGetExtensionSupport(demo->gpu, ext_names[i]);
assert(!err);
}
err = xglWsiX11AssociateConnection(demo->gpu, &connection);
assert(!err);
err = xglCreateDevice(demo->gpu, &device, &demo->device);
assert(!err);
err = xglGetDeviceQueue(demo->device, XGL_QUEUE_TYPE_GRAPHICS,
0, &demo->queue);
assert(!err);
}
static void demo_init_connection(struct demo *demo)
{
const xcb_setup_t *setup;
xcb_screen_iterator_t iter;
int scr;
demo->connection = xcb_connect(NULL, &scr);
setup = xcb_get_setup(demo->connection);
iter = xcb_setup_roots_iterator(setup);
while (scr-- > 0)
xcb_screen_next(&iter);
demo->screen = iter.data;
}
static void demo_init(struct demo *demo)
{
vec3 eye = {0.0f, 3.0f, 5.0f};
vec3 origin = {0, 0, 0};
vec3 up = {0.0f, -1.0f, 0.0};
memset(demo, 0, sizeof(*demo));
demo_init_connection(demo);
demo_init_xgl(demo);
demo->width = 500;
demo->height = 500;
demo->format.channelFormat = XGL_CH_FMT_B8G8R8A8;
demo->format.numericFormat = XGL_NUM_FMT_UNORM;
demo->spin_angle = 0.01f;
demo->spin_increment = 0.01f;
demo->pause = false;
mat4x4_perspective(demo->projection_matrix, degreesToRadians(45.0f), 1.0f, 0.1f, 100.0f);
mat4x4_look_at(demo->view_matrix, eye, origin, up);
mat4x4_identity(demo->model_matrix);
}
static void demo_cleanup(struct demo *demo)
{
XGL_UINT i;
xglDestroyObject(demo->desc_set);
xglDestroyObject(demo->desc_region);
xglDestroyObject(demo->cmd);
xglDestroyObject(demo->viewport);
xglDestroyObject(demo->raster);
xglDestroyObject(demo->color_blend);
xglDestroyObject(demo->depth_stencil);
xglDestroyObject(demo->pipeline);
xglDestroyObject(demo->desc_layout_fs);
xglDestroyObject(demo->desc_layout_vs);
// xglFreeMemory(demo->vertices.mem);
for (i = 0; i < DEMO_TEXTURE_COUNT; i++) {
xglDestroyObject(demo->textures[i].view);
xglDestroyObject(demo->textures[i].image);
xglFreeMemory(demo->textures[i].mem);
xglDestroyObject(demo->textures[i].sampler);
}
xglDestroyObject(demo->depth.view);
xglDestroyObject(demo->depth.image);
xglFreeMemory(demo->depth.mem);
for (i = 0; i < DEMO_BUFFER_COUNT; i++) {
xglDestroyObject(demo->buffers[i].fence);
xglDestroyObject(demo->buffers[i].view);
xglDestroyObject(demo->buffers[i].image);
}
xglDestroyDevice(demo->device);
xcb_destroy_window(demo->connection, demo->window);
xcb_disconnect(demo->connection);
}
int main(void)
{
struct demo demo;
demo_init(&demo);
demo_prepare(&demo);
demo_create_window(&demo);
demo_run(&demo);
demo_cleanup(&demo);
return 0;
}