Simon Ser
2 years ago
parent
8af00d5534
commit
e07c77f846
@ -0,0 +1,603 @@
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#include <assert.h>
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#include <drm_fourcc.h>
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#include <stdlib.h>
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#include <wlr/util/log.h>
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#include "render/vulkan.h"
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#include "types/wlr_matrix.h"
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static const struct wlr_render_pass_impl render_pass_impl;
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static struct wlr_vk_render_pass *get_render_pass(struct wlr_render_pass *wlr_pass) {
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assert(wlr_pass->impl == &render_pass_impl);
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struct wlr_vk_render_pass *pass = wl_container_of(wlr_pass, pass, base);
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return pass;
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}
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static void bind_pipeline(struct wlr_vk_render_pass *pass, VkPipeline pipeline) {
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if (pipeline == pass->bound_pipeline) {
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return;
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}
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vkCmdBindPipeline(pass->command_buffer->vk, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
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pass->bound_pipeline = pipeline;
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}
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static void get_clip_region(struct wlr_vk_render_pass *pass,
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const pixman_region32_t *in, pixman_region32_t *out) {
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if (in != NULL) {
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pixman_region32_init(out);
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pixman_region32_copy(out, in);
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} else {
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struct wlr_buffer *buffer = pass->render_buffer->wlr_buffer;
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pixman_region32_init_rect(out, 0, 0, buffer->width, buffer->height);
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}
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}
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static void convert_pixman_box_to_vk_rect(const pixman_box32_t *box, VkRect2D *rect) {
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*rect = (VkRect2D){
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.offset = { .x = box->x1, .y = box->y1 },
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.extent = { .width = box->x2 - box->x1, .height = box->y2 - box->y1 },
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};
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}
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static float color_to_linear(float non_linear) {
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// See https://www.w3.org/Graphics/Color/srgb
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return (non_linear > 0.04045) ?
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pow((non_linear + 0.055) / 1.055, 2.4) :
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non_linear / 12.92;
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}
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static void mat3_to_mat4(const float mat3[9], float mat4[4][4]) {
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memset(mat4, 0, sizeof(float) * 16);
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mat4[0][0] = mat3[0];
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mat4[0][1] = mat3[1];
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mat4[0][3] = mat3[2];
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mat4[1][0] = mat3[3];
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mat4[1][1] = mat3[4];
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mat4[1][3] = mat3[5];
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mat4[2][2] = 1.f;
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mat4[3][3] = 1.f;
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}
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static bool render_pass_submit(struct wlr_render_pass *wlr_pass) {
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struct wlr_vk_render_pass *pass = get_render_pass(wlr_pass);
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struct wlr_vk_renderer *renderer = pass->renderer;
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struct wlr_vk_command_buffer *render_cb = pass->command_buffer;
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struct wlr_vk_render_buffer *render_buffer = pass->render_buffer;
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if (vulkan_record_stage_cb(renderer) == VK_NULL_HANDLE) {
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return false;
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}
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struct wlr_vk_command_buffer *stage_cb = renderer->stage.cb;
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assert(stage_cb != NULL);
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renderer->stage.cb = NULL;
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if (render_buffer->blend_image) {
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// Apply output shader to map blend image to actual output image
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vkCmdNextSubpass(render_cb->vk, VK_SUBPASS_CONTENTS_INLINE);
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VkPipeline pipe = render_buffer->render_setup->output_pipe;
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if (pipe != renderer->bound_pipe) {
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vkCmdBindPipeline(render_cb->vk, VK_PIPELINE_BIND_POINT_GRAPHICS, pipe);
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renderer->bound_pipe = pipe;
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}
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float final_matrix[9] = {
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renderer->render_width, 0, -1,
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0, renderer->render_height, -1,
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0, 0, 0,
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};
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struct wlr_vk_vert_pcr_data vert_pcr_data = {
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.uv_off = { 0, 0 },
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.uv_size = { 1, 1 },
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};
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mat3_to_mat4(final_matrix, vert_pcr_data.mat4);
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vkCmdPushConstants(render_cb->vk, renderer->output_pipe_layout,
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VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
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vkCmdBindDescriptorSets(render_cb->vk,
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VK_PIPELINE_BIND_POINT_GRAPHICS, renderer->output_pipe_layout,
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0, 1, &render_buffer->blend_descriptor_set, 0, NULL);
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vkCmdDraw(render_cb->vk, 4, 1, 0, 0);
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}
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vkCmdEndRenderPass(render_cb->vk);
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// insert acquire and release barriers for dmabuf-images
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uint32_t barrier_count = wl_list_length(&renderer->foreign_textures) + 1;
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VkImageMemoryBarrier *acquire_barriers = calloc(barrier_count, sizeof(VkImageMemoryBarrier));
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VkImageMemoryBarrier *release_barriers = calloc(barrier_count, sizeof(VkImageMemoryBarrier));
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VkSemaphoreSubmitInfoKHR *render_wait = calloc(barrier_count * WLR_DMABUF_MAX_PLANES, sizeof(VkSemaphoreSubmitInfoKHR));
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if (acquire_barriers == NULL || release_barriers == NULL || render_wait == NULL) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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free(acquire_barriers);
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free(release_barriers);
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free(render_wait);
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return false;
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}
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struct wlr_vk_texture *texture, *tmp_tex;
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size_t idx = 0;
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uint32_t render_wait_len = 0;
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wl_list_for_each_safe(texture, tmp_tex, &renderer->foreign_textures, foreign_link) {
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VkImageLayout src_layout = VK_IMAGE_LAYOUT_GENERAL;
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if (!texture->transitioned) {
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src_layout = VK_IMAGE_LAYOUT_UNDEFINED;
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texture->transitioned = true;
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}
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// acquire
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acquire_barriers[idx] = (VkImageMemoryBarrier){
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
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.dstQueueFamilyIndex = renderer->dev->queue_family,
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.image = texture->image,
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.oldLayout = src_layout,
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.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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.srcAccessMask = 0, // ignored anyways
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.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.layerCount = 1,
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.subresourceRange.levelCount = 1,
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};
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// release
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release_barriers[idx] = (VkImageMemoryBarrier){
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcQueueFamilyIndex = renderer->dev->queue_family,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
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.image = texture->image,
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.oldLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
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.newLayout = VK_IMAGE_LAYOUT_GENERAL,
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.srcAccessMask = VK_ACCESS_SHADER_READ_BIT,
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.dstAccessMask = 0, // ignored anyways
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.layerCount = 1,
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.subresourceRange.levelCount = 1,
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};
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++idx;
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if (!vulkan_sync_foreign_texture(texture)) {
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wlr_log(WLR_ERROR, "Failed to wait for foreign texture DMA-BUF fence");
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} else {
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for (size_t i = 0; i < WLR_DMABUF_MAX_PLANES; i++) {
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if (texture->foreign_semaphores[i] != VK_NULL_HANDLE) {
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assert(render_wait_len < barrier_count * WLR_DMABUF_MAX_PLANES);
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render_wait[render_wait_len++] = (VkSemaphoreSubmitInfoKHR){
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
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.semaphore = texture->foreign_semaphores[i],
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.stageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT_KHR,
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};
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}
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}
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}
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wl_list_remove(&texture->foreign_link);
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texture->owned = false;
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}
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// also add acquire/release barriers for the current render buffer
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VkImageLayout src_layout = VK_IMAGE_LAYOUT_GENERAL;
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if (!render_buffer->transitioned) {
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src_layout = VK_IMAGE_LAYOUT_PREINITIALIZED;
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render_buffer->transitioned = true;
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}
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if (render_buffer->blend_image) {
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// The render pass changes the blend image layout from
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// color attachment to read only, so on each frame, before
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// the render pass starts, we change it back
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VkImageLayout blend_src_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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if (!render_buffer->blend_transitioned) {
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blend_src_layout = VK_IMAGE_LAYOUT_UNDEFINED;
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render_buffer->blend_transitioned = true;
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}
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VkImageMemoryBarrier blend_acq_barrier = {
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = render_buffer->blend_image,
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.oldLayout = blend_src_layout,
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.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
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.srcAccessMask = VK_ACCESS_SHADER_READ_BIT,
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.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
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.subresourceRange = {
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.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.layerCount = 1,
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.levelCount = 1,
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},
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};
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vkCmdPipelineBarrier(stage_cb->vk, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
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VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
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0, 0, NULL, 0, NULL, 1, &blend_acq_barrier);
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}
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// acquire render buffer before rendering
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acquire_barriers[idx] = (VkImageMemoryBarrier){
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
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.dstQueueFamilyIndex = renderer->dev->queue_family,
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.image = render_buffer->image,
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.oldLayout = src_layout,
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.newLayout = VK_IMAGE_LAYOUT_GENERAL,
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.srcAccessMask = 0, // ignored anyways
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.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
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VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.layerCount = 1,
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.subresourceRange.levelCount = 1,
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};
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// release render buffer after rendering
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release_barriers[idx] = (VkImageMemoryBarrier){
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcQueueFamilyIndex = renderer->dev->queue_family,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_FOREIGN_EXT,
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.image = render_buffer->image,
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.oldLayout = VK_IMAGE_LAYOUT_GENERAL,
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.newLayout = VK_IMAGE_LAYOUT_GENERAL,
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.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT |
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VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
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.dstAccessMask = 0, // ignored anyways
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.layerCount = 1,
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.subresourceRange.levelCount = 1,
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};
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++idx;
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vkCmdPipelineBarrier(stage_cb->vk, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
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VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
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0, 0, NULL, 0, NULL, barrier_count, acquire_barriers);
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vkCmdPipelineBarrier(render_cb->vk, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
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VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL,
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barrier_count, release_barriers);
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free(acquire_barriers);
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free(release_barriers);
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// No semaphores needed here.
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// We don't need a semaphore from the stage/transfer submission
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// to the render submissions since they are on the same queue
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// and we have a renderpass dependency for that.
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uint64_t stage_timeline_point = vulkan_end_command_buffer(stage_cb, renderer);
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if (stage_timeline_point == 0) {
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return false;
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}
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VkCommandBufferSubmitInfoKHR stage_cb_info = {
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.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_SUBMIT_INFO_KHR,
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.commandBuffer = stage_cb->vk,
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};
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VkSemaphoreSubmitInfoKHR stage_signal = {
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
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.semaphore = renderer->timeline_semaphore,
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.value = stage_timeline_point,
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};
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VkSubmitInfo2KHR stage_submit = {
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.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO_2_KHR,
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.commandBufferInfoCount = 1,
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.pCommandBufferInfos = &stage_cb_info,
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.signalSemaphoreInfoCount = 1,
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.pSignalSemaphoreInfos = &stage_signal,
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};
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VkSemaphoreSubmitInfoKHR stage_wait;
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if (renderer->stage.last_timeline_point > 0) {
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stage_wait = (VkSemaphoreSubmitInfoKHR){
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
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.semaphore = renderer->timeline_semaphore,
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.value = renderer->stage.last_timeline_point,
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.stageMask = VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT_KHR,
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};
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stage_submit.waitSemaphoreInfoCount = 1;
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stage_submit.pWaitSemaphoreInfos = &stage_wait;
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}
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renderer->stage.last_timeline_point = stage_timeline_point;
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uint64_t render_timeline_point = vulkan_end_command_buffer(render_cb, renderer);
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if (render_timeline_point == 0) {
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return false;
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}
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uint32_t render_signal_len = 1;
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VkSemaphoreSubmitInfoKHR render_signal[2] = {0};
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render_signal[0] = (VkSemaphoreSubmitInfoKHR){
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
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.semaphore = renderer->timeline_semaphore,
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.value = render_timeline_point,
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};
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if (renderer->dev->implicit_sync_interop) {
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if (render_cb->binary_semaphore == VK_NULL_HANDLE) {
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VkExportSemaphoreCreateInfo export_info = {
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.sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO,
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.handleTypes = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT,
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};
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VkSemaphoreCreateInfo semaphore_info = {
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
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.pNext = &export_info,
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};
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VkResult res = vkCreateSemaphore(renderer->dev->dev, &semaphore_info,
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NULL, &render_cb->binary_semaphore);
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if (res != VK_SUCCESS) {
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wlr_vk_error("vkCreateSemaphore", res);
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return false;
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}
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}
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render_signal[render_signal_len++] = (VkSemaphoreSubmitInfoKHR){
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO_KHR,
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.semaphore = render_cb->binary_semaphore,
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};
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}
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VkCommandBufferSubmitInfoKHR render_cb_info = {
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.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_SUBMIT_INFO_KHR,
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.commandBuffer = render_cb->vk,
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};
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VkSubmitInfo2KHR render_submit = {
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.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO_2_KHR,
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.waitSemaphoreInfoCount = render_wait_len,
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.pWaitSemaphoreInfos = render_wait,
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.commandBufferInfoCount = 1,
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.pCommandBufferInfos = &render_cb_info,
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.signalSemaphoreInfoCount = render_signal_len,
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.pSignalSemaphoreInfos = render_signal,
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};
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VkSubmitInfo2KHR submit_info[] = { stage_submit, render_submit };
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VkResult res = renderer->dev->api.vkQueueSubmit2KHR(renderer->dev->queue, 2, submit_info, VK_NULL_HANDLE);
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if (res == VK_ERROR_DEVICE_LOST) {
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wlr_log(WLR_ERROR, "vkQueueSubmit failed with VK_ERROR_DEVICE_LOST");
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wl_signal_emit_mutable(&renderer->wlr_renderer.events.lost, NULL);
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return false;
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} else if (res != VK_SUCCESS) {
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wlr_vk_error("vkQueueSubmit", res);
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return false;
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}
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free(render_wait);
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struct wlr_vk_shared_buffer *stage_buf, *stage_buf_tmp;
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wl_list_for_each_safe(stage_buf, stage_buf_tmp, &renderer->stage.buffers, link) {
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if (stage_buf->allocs.size == 0) {
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continue;
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}
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wl_list_remove(&stage_buf->link);
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wl_list_insert(&stage_cb->stage_buffers, &stage_buf->link);
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}
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if (!vulkan_sync_render_buffer(renderer, render_buffer, render_cb)) {
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return false;
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}
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wlr_buffer_unlock(render_buffer->wlr_buffer);
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free(pass);
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return true;
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}
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static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
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const struct wlr_render_rect_options *options) {
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struct wlr_vk_render_pass *pass = get_render_pass(wlr_pass);
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struct wlr_vk_renderer *renderer = pass->renderer;
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VkCommandBuffer cb = pass->command_buffer->vk;
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|
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// Input color values are given in sRGB space, shader expects
|
||||
// them in linear space. The shader does all computation in linear
|
||||
// space and expects in inputs in linear space since it outputs
|
||||
// colors in linear space as well (and vulkan then automatically
|
||||
// does the conversion for out sRGB render targets).
|
||||
float linear_color[] = {
|
||||
color_to_linear(options->color.r),
|
||||
color_to_linear(options->color.g),
|
||||
color_to_linear(options->color.b),
|
||||
options->color.a, // no conversion for alpha
|
||||
};
|
||||
|
||||
pixman_region32_t clip;
|
||||
get_clip_region(pass, options->clip, &clip);
|
||||
|
||||
int clip_rects_len;
|
||||
const pixman_box32_t *clip_rects = pixman_region32_rectangles(&clip, &clip_rects_len);
|
||||
|
||||
switch (options->blend_mode) {
|
||||
case WLR_RENDER_BLEND_MODE_PREMULTIPLIED:;
|
||||
float proj[9], matrix[9];
|
||||
wlr_matrix_identity(proj);
|
||||
wlr_matrix_project_box(matrix, &options->box, WL_OUTPUT_TRANSFORM_NORMAL, 0, proj);
|
||||
wlr_matrix_multiply(matrix, pass->projection, matrix);
|
||||
|
||||
struct wlr_vk_vert_pcr_data vert_pcr_data = {
|
||||
.uv_off = { 0, 0 },
|
||||
.uv_size = { 1, 1 },
|
||||
};
|
||||
mat3_to_mat4(matrix, vert_pcr_data.mat4);
|
||||
|
||||
bind_pipeline(pass, pass->render_buffer->render_setup->quad_pipe);
|
||||
vkCmdPushConstants(cb, renderer->default_pipeline_layout.vk,
|
||||
VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
|
||||
vkCmdPushConstants(cb, renderer->default_pipeline_layout.vk,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(vert_pcr_data), sizeof(float) * 4,
|
||||
linear_color);
|
||||
|
||||
for (int i = 0; i < clip_rects_len; i++) {
|
||||
VkRect2D rect;
|
||||
convert_pixman_box_to_vk_rect(&clip_rects[i], &rect);
|
||||
vkCmdSetScissor(cb, 0, 1, &rect);
|
||||
vkCmdDraw(cb, 4, 1, 0, 0);
|
||||
}
|
||||
break;
|
||||
case WLR_RENDER_BLEND_MODE_NONE:;
|
||||
VkClearAttachment clear_att = {
|
||||
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
|
||||
.colorAttachment = 0,
|
||||
.clearValue.color.float32 = {
|
||||
linear_color[0],
|
||||
linear_color[1],
|
||||
linear_color[2],
|
||||
linear_color[3],
|
||||
},
|
||||
};
|
||||
VkClearRect clear_rect = {
|
||||
.rect = {
|
||||
.offset = { options->box.x, options->box.y },
|
||||
.extent = { options->box.width, options->box.height },
|
||||
},
|
||||
.layerCount = 1,
|
||||
};
|
||||
for (int i = 0; i < clip_rects_len; i++) {
|
||||
VkRect2D rect;
|
||||
convert_pixman_box_to_vk_rect(&clip_rects[i], &rect);
|
||||
vkCmdSetScissor(cb, 0, 1, &rect);
|
||||
vkCmdClearAttachments(cb, 1, &clear_att, 1, &clear_rect);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
pixman_region32_fini(&clip);
|
||||
}
|
||||
|
||||
static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
|
||||
const struct wlr_render_texture_options *options) {
|
||||
struct wlr_vk_render_pass *pass = get_render_pass(wlr_pass);
|
||||
struct wlr_vk_renderer *renderer = pass->renderer;
|
||||
struct wlr_vk_render_buffer *render_buffer = pass->render_buffer;
|
||||
VkCommandBuffer cb = pass->command_buffer->vk;
|
||||
|
||||
struct wlr_vk_texture *texture = vulkan_get_texture(options->texture);
|
||||
assert(texture->renderer == renderer);
|
||||
|
||||
if (texture->dmabuf_imported && !texture->owned) {
|
||||
// Store this texture in the list of textures that need to be
|
||||
// acquired before rendering and released after rendering.
|
||||
// We don't do it here immediately since barriers inside
|
||||
// a renderpass are suboptimal (would require additional renderpass
|
||||
// dependency and potentially multiple barriers) and it's
|
||||
// better to issue one barrier for all used textures anyways.
|
||||
texture->owned = true;
|
||||
assert(texture->foreign_link.prev == NULL);
|
||||
assert(texture->foreign_link.next == NULL);
|
||||
wl_list_insert(&renderer->foreign_textures, &texture->foreign_link);
|
||||
}
|
||||
|
||||
struct wlr_fbox src_box;
|
||||
wlr_render_texture_options_get_src_box(options, &src_box);
|
||||
struct wlr_box dst_box;
|
||||
wlr_render_texture_options_get_dst_box(options, &dst_box);
|
||||
float alpha = wlr_render_texture_options_get_alpha(options);
|
||||
|
||||
pixman_region32_t clip;
|
||||
get_clip_region(pass, options->clip, &clip);
|
||||
|
||||
float proj[9], matrix[9];
|
||||
wlr_matrix_identity(proj);
|
||||
wlr_matrix_project_box(matrix, &dst_box, options->transform, 0, proj);
|
||||
wlr_matrix_multiply(matrix, pass->projection, matrix);
|
||||
|
||||
struct wlr_vk_vert_pcr_data vert_pcr_data = {
|
||||
.uv_off = {
|
||||
src_box.x / options->texture->width,
|
||||
src_box.y / options->texture->height,
|
||||
},
|
||||
.uv_size = {
|
||||
src_box.width / options->texture->width,
|
||||
src_box.height / options->texture->height,
|
||||
},
|
||||
};
|
||||
mat3_to_mat4(matrix, vert_pcr_data.mat4);
|
||||
|
||||
VkPipelineLayout pipeline_layout = texture->pipeline_layout->vk;
|
||||
VkPipeline pipeline = vulkan_get_texture_pipeline(texture, render_buffer->render_setup);
|
||||
|
||||
bind_pipeline(pass, pipeline);
|
||||
|
||||
vkCmdBindDescriptorSets(cb, VK_PIPELINE_BIND_POINT_GRAPHICS,
|
||||
pipeline_layout, 0, 1, &texture->ds, 0, NULL);
|
||||
|
||||
vkCmdPushConstants(cb, pipeline_layout,
|
||||
VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(vert_pcr_data), &vert_pcr_data);
|
||||
vkCmdPushConstants(cb, pipeline_layout,
|
||||
VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(vert_pcr_data), sizeof(float),
|
||||
&alpha);
|
||||
|
||||
int clip_rects_len;
|
||||
const pixman_box32_t *clip_rects = pixman_region32_rectangles(&clip, &clip_rects_len);
|
||||
for (int i = 0; i < clip_rects_len; i++) {
|
||||
VkRect2D rect;
|
||||
convert_pixman_box_to_vk_rect(&clip_rects[i], &rect);
|
||||
vkCmdSetScissor(cb, 0, 1, &rect);
|
||||
vkCmdDraw(cb, 4, 1, 0, 0);
|
||||
}
|
||||
|
||||
texture->last_used_cb = pass->command_buffer;
|
||||
}
|
||||
|
||||
static const struct wlr_render_pass_impl render_pass_impl = {
|
||||
.submit = render_pass_submit,
|
||||
.add_rect = render_pass_add_rect,
|
||||
.add_texture = render_pass_add_texture,
|
||||
};
|
||||
|
||||
struct wlr_vk_render_pass *vulkan_begin_render_pass(struct wlr_vk_renderer *renderer,
|
||||
struct wlr_vk_render_buffer *buffer) {
|
||||
struct wlr_vk_render_pass *pass = calloc(1, sizeof(*pass));
|
||||
if (pass == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
wlr_render_pass_init(&pass->base, &render_pass_impl);
|
||||
pass->renderer = renderer;
|
||||
|
||||
struct wlr_vk_command_buffer *cb = vulkan_acquire_command_buffer(renderer);
|
||||
if (cb == NULL) {
|
||||
free(pass);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
VkCommandBufferBeginInfo begin_info = {
|
||||
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
|
||||
};
|
||||
VkResult res = vkBeginCommandBuffer(cb->vk, &begin_info);
|
||||
if (res != VK_SUCCESS) {
|
||||
wlr_vk_error("vkBeginCommandBuffer", res);
|
||||
free(pass);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int width = buffer->wlr_buffer->width;
|
||||
int height = buffer->wlr_buffer->height;
|
||||
VkRect2D rect = { .extent = { width, height } };
|
||||
|
||||
VkRenderPassBeginInfo rp_info = {
|
||||
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
|
||||
.renderArea = rect,
|
||||
.renderPass = buffer->render_setup->render_pass,
|
||||
.framebuffer = buffer->framebuffer,
|
||||
.clearValueCount = 0,
|
||||
};
|
||||
vkCmdBeginRenderPass(cb->vk, &rp_info, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
vkCmdSetViewport(cb->vk, 0, 1, &(VkViewport){
|
||||
.width = width,
|
||||
.height = height,
|
||||
.maxDepth = 1,
|
||||
});
|
||||
|
||||
// matrix_projection() assumes a GL coordinate system so we need
|
||||
// to pass WL_OUTPUT_TRANSFORM_FLIPPED_180 to adjust it for vulkan.
|
||||
matrix_projection(pass->projection, width, height, WL_OUTPUT_TRANSFORM_FLIPPED_180);
|
||||
|
||||
wlr_buffer_lock(buffer->wlr_buffer);
|
||||
pass->render_buffer = buffer;
|
||||
pass->command_buffer = cb;
|
||||
return pass;
|
||||
}
|
||||
Loading…
Reference in new issue