+ vkCmdEndRenderPass(ctx->cmd_buf);
+ if (attachments) {
+ VkImageMemoryBarrier *barriers =
+ calloc(n_attachments, sizeof(VkImageMemoryBarrier));
+ VkImageMemoryBarrier *barrier = barriers;
+ for (uint32_t n = 0; n < n_attachments; n++, barrier++) {
+ struct vk_image_att *att = &attachments[n];
+ VkImageAspectFlagBits depth_stencil_flags =
+ get_aspect_from_depth_format(att->props.format);
+ bool is_depth = (depth_stencil_flags != 0);
+
+ /* Insert barrier to mark ownership transfer. */
+ barrier->sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
+ barrier->oldLayout = is_depth ?
+ VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL :
+ VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+ barrier->newLayout = VK_IMAGE_LAYOUT_GENERAL;
+ barrier->srcAccessMask = get_access_mask(barrier->oldLayout);
+ barrier->dstAccessMask = get_access_mask(barrier->newLayout);
+ barrier->srcQueueFamilyIndex = ctx->qfam_idx;
+ barrier->dstQueueFamilyIndex = VK_QUEUE_FAMILY_EXTERNAL;
+ barrier->image = att->obj.img;
+ barrier->subresourceRange.aspectMask = is_depth ?
+ depth_stencil_flags :
+ VK_IMAGE_ASPECT_COLOR_BIT;
+ barrier->subresourceRange.baseMipLevel = 0;
+ barrier->subresourceRange.levelCount = 1;
+ barrier->subresourceRange.baseArrayLayer = 0;
+ barrier->subresourceRange.layerCount = 1;
+ }
+
+ vkCmdPipelineBarrier(ctx->cmd_buf,
+ VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
+ VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
+ 0,
+ 0, NULL,
+ 0, NULL,
+ n_attachments, barriers);
+ free(barriers);
+ }
+
+ vkEndCommandBuffer(ctx->cmd_buf);
+
+ if (vkQueueSubmit(ctx->queue, 1, &submit_info, VK_NULL_HANDLE) != VK_SUCCESS) {
+ fprintf(stderr, "Failed to submit queue.\n");
+ }
+
+ if (!semaphores)
+ vkQueueWaitIdle(ctx->queue);
+}
+
+void
+vk_clear_color(struct vk_ctx *ctx,
+ struct vk_buf *vbo,
+ struct vk_renderer *renderer,
+ float *vk_fb_color,
+ uint32_t vk_fb_color_count,
+ struct vk_semaphores *semaphores,
+ bool has_wait, bool has_signal,
+ struct vk_image_att *attachments,
+ uint32_t n_attachments,
+ float x, float y,
+ float w, float h)
+{
+ VkCommandBufferBeginInfo cmd_begin_info;
+ VkRenderPassBeginInfo rp_begin_info;
+ VkRect2D rp_area;
+ VkClearValue clear_values[2];
+ VkSubmitInfo submit_info;
+ VkPipelineStageFlagBits stage_flags;
+ VkImageSubresourceRange img_range;
+
+ assert(vk_fb_color_count == 4);
+
+ /* VkCommandBufferBeginInfo */
+ memset(&cmd_begin_info, 0, sizeof cmd_begin_info);
+ cmd_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+ cmd_begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+
+ /* VkRect2D render area */
+ memset(&rp_area, 0, sizeof rp_area);
+ rp_area.extent.width = (uint32_t)w;
+ rp_area.extent.height = (uint32_t)h;
+ rp_area.offset.x = x;
+ rp_area.offset.y = y;
+
+ /* VkClearValue */
+ memset(&clear_values[0], 0, sizeof clear_values[0]);
+ clear_values[0].color.float32[0] = vk_fb_color[0]; /* red */
+ clear_values[0].color.float32[1] = vk_fb_color[1]; /* green */
+ clear_values[0].color.float32[2] = vk_fb_color[2]; /* blue */
+ clear_values[0].color.float32[3] = vk_fb_color[3]; /* alpha */
+
+ memset(&clear_values[1], 0, sizeof clear_values[1]);
+ clear_values[1].depthStencil.depth = 1.0;
+ clear_values[1].depthStencil.stencil = 0;
+
+ /* VkRenderPassBeginInfo */
+ memset(&rp_begin_info, 0, sizeof rp_begin_info);
+ rp_begin_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+ rp_begin_info.renderPass = renderer->renderpass;
+ rp_begin_info.framebuffer = renderer->fb;
+ rp_begin_info.renderArea = rp_area;
+ rp_begin_info.clearValueCount = 2;
+ rp_begin_info.pClearValues = clear_values;
+
+ /* VkSubmitInfo */
+ stage_flags = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
+
+ memset(&submit_info, 0, sizeof submit_info);
+ submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+ submit_info.commandBufferCount = 1;
+ submit_info.pCommandBuffers = &ctx->cmd_buf;
+
+ /* FIXME */
+ if (has_wait) {
+ submit_info.pWaitDstStageMask = &stage_flags;
+ submit_info.waitSemaphoreCount = 1;
+ submit_info.pWaitSemaphores = &semaphores->frame_done;
+ }
+
+ if (has_signal) {
+ submit_info.signalSemaphoreCount = 1;
+ submit_info.pSignalSemaphores = &semaphores->frame_ready;
+ }
+
+ img_range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+ img_range.baseMipLevel = 0;
+ img_range.levelCount = 1;
+ img_range.baseArrayLayer = 0;
+ img_range.layerCount = 1;
+
+ vkBeginCommandBuffer(ctx->cmd_buf, &cmd_begin_info);
+ vk_transition_image_layout(&attachments[0],
+ ctx->cmd_buf,
+ VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+ VK_IMAGE_LAYOUT_GENERAL,
+ VK_QUEUE_FAMILY_EXTERNAL,
+ ctx->qfam_idx);
+ vkCmdClearColorImage(ctx->cmd_buf,
+ attachments[0].obj.img,
+ VK_IMAGE_LAYOUT_GENERAL,
+ &clear_values[0].color,
+ 1,
+ &img_range);
+
+ vkCmdBeginRenderPass(ctx->cmd_buf, &rp_begin_info, VK_SUBPASS_CONTENTS_INLINE);
+
+ viewport.x = x;
+ viewport.y = y;
+ viewport.width = w;
+ viewport.height = h;
+
+ scissor.offset.x = x;
+ scissor.offset.y = y;
+ scissor.extent.width = w;
+ scissor.extent.height = h;
+
+ vkCmdSetViewport(ctx->cmd_buf, 0, 1, &viewport);
+ vkCmdSetScissor(ctx->cmd_buf, 0, 1, &scissor);
+
+ vkCmdBindPipeline(ctx->cmd_buf, VK_PIPELINE_BIND_POINT_GRAPHICS, renderer->pipeline);
+
+ vkCmdEndRenderPass(ctx->cmd_buf);