void vkeGameRendererDynamic::generateDrawCommands(){
//Start generating draw commands.
VulkanDC *dc = VulkanDC::Get();
VulkanDC::Device *device = dc->getDefaultDevice();
VkClearValue clearValues[3];
colorClearValues(&clearValues[0], 1.0, 1.0, 1.0);
depthStencilClearValues(&clearValues[1]);//default#
colorClearValues(&clearValues[2], 0.0, 0.0, 0.0);
/*
Dispatch threads to create the secondary
command buffers.
*/
m_calls_generated = 0;
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
m_draw_calls[i]->initDrawCommands(m_node_data->count(), m_current_buffer_index);
}
/*
Begin setting up the primary command buffer.
*/
VkCommandBufferBeginInfo cmdBeginInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
cmdBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
VKA_CHECK_ERROR(vkResetCommandBuffer(m_primary_commands[m_current_buffer_index], 0),"Could not reset primary command buffer");
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_primary_commands[m_current_buffer_index], &cmdBeginInfo), "Could not begin primary command buffer.\n");
uint32_t cnt = m_node_data->count();
VkDeviceSize sz = (sizeof(VkeNodeUniform) * cnt) + (m_instance_count * 64);
vkCmdUpdateBuffer(m_primary_commands[m_current_buffer_index], m_uniforms_buffer, 0, sz, (const uint32_t *)m_uniforms_local);
m_camera->updateCameraCmd(m_primary_commands[m_current_buffer_index]);
renderPassBegin(&m_primary_commands[m_current_buffer_index], m_render_pass, m_framebuffers[m_current_buffer_index], 0, 0, m_width, m_height, clearValues, 3, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
VkViewport vp;
VkRect2D sc;
vp.x = 0;
vp.y = 0;
vp.height = (float)(m_height);
vp.width = (float)(m_width);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = vp.width;
sc.extent.height = vp.height;
vkCmdSetViewport(m_primary_commands[m_current_buffer_index], 0, 1, &vp);
vkCmdSetScissor(m_primary_commands[m_current_buffer_index], 0, 1, &sc);
/*
Wait here until the secondary commands are ready.
*/
VkCommandBuffer secondaryCommands[11];
secondaryCommands[0] = m_terrain_command[m_current_buffer_index];
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
secondaryCommands[i+1] = m_draw_calls[i]->getDrawCommand(m_current_buffer_index);
}
vkCmdExecuteCommands(m_primary_commands[m_current_buffer_index], 1+m_max_draw_calls, secondaryCommands);
vkCmdEndRenderPass(m_primary_commands[m_current_buffer_index]);
VkImageResolve blitInfo;
blitInfo.srcOffset.x = 0;
blitInfo.srcOffset.y = 0;
blitInfo.srcOffset.z = 0;
blitInfo.dstOffset.x = 0;
blitInfo.dstOffset.y = 0;
blitInfo.dstOffset.z = 0;
blitInfo.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.srcSubresource.mipLevel = 0;
blitInfo.srcSubresource.baseArrayLayer = 0;
blitInfo.srcSubresource.layerCount = 1;
blitInfo.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.dstSubresource.mipLevel = 0;
blitInfo.dstSubresource.baseArrayLayer = 0;
blitInfo.dstSubresource.layerCount = 1;
blitInfo.extent.width = m_width;
blitInfo.extent.height = m_height;
blitInfo.extent.depth = 1;
vkCmdResolveImage(
m_primary_commands[m_current_buffer_index],
m_color_attachment.image,
VK_IMAGE_LAYOUT_GENERAL,
m_resolve_attachment[m_current_buffer_index].image,
VK_IMAGE_LAYOUT_GENERAL,
1,
&blitInfo);
VKA_CHECK_ERROR(vkEndCommandBuffer(m_primary_commands[m_current_buffer_index]), "Could not end command buffer for draw command.\n");
}
void vkeGameRendererDynamic::generateDrawCommands(){
//Start generating draw commands.
VulkanDC *dc = VulkanDC::Get();
VulkanDC::Device *device = dc->getDefaultDevice();
VkClearValue clearValues[3];
/*
Dispatch threads to create the secondary
command buffers.
*/
m_calls_generated = 0;
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
m_draw_calls[i]->initDrawCommands(m_node_data->count(), m_current_buffer_index);
}
/*
Begin setting up the primary command buffer.
*/
VkCommandBufferBeginInfo cmdBeginInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
cmdBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkResetCommandBuffer(m_primary_commands[m_current_buffer_index], 0);
vkResetCommandBuffer(m_update_commands[m_current_buffer_index], 0);
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_update_commands[m_current_buffer_index], &cmdBeginInfo), "Could not begin primary command buffer.\n");
VkBufferMemoryBarrier bufBarrier = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER };
bufBarrier.dstAccessMask = VK_ACCESS_UNIFORM_READ_BIT;
bufBarrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
bufBarrier.dstQueueFamilyIndex = 0;
bufBarrier.offset = 0;
bufBarrier.buffer = m_uniforms_buffer;
bufBarrier.srcQueueFamilyIndex = 0;
colorClearValues(&clearValues[0], 1.0, 1.0, 1.0);
depthStencilClearValues(&clearValues[1]);//default#
colorClearValues(&clearValues[2], 0.0, 0.0, 0.0);
uint32_t sz = (sizeof(VkeNodeUniform) * 100) + (64 * 64);
VkBufferCopy bufCopy;
bufCopy.dstOffset = 0;
bufCopy.srcOffset = 0;
bufCopy.size = sz;
vkCmdCopyBuffer(m_update_commands[m_current_buffer_index], m_uniforms_buffer_staging, m_uniforms_buffer, 1, &bufCopy);
vkCmdPipelineBarrier(
m_update_commands[m_current_buffer_index],
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
0,
0,
NULL,
1,
&bufBarrier,
0,
NULL);
VKA_CHECK_ERROR(vkEndCommandBuffer(m_update_commands[m_current_buffer_index]), "Could not end command buffer for draw command.\n");
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_primary_commands[m_current_buffer_index], &cmdBeginInfo), "Could not begin primary command buffer.\n");
renderPassBegin(&m_primary_commands[m_current_buffer_index], m_render_pass, m_framebuffers[m_current_buffer_index], 0, 0, m_width, m_height, clearValues, 3, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
VkViewport vp;
VkRect2D sc;
vp.x = 0;
vp.y = 0;
vp.height = (float)(m_height);
vp.width = (float)(m_width);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = vp.width;
sc.extent.height = vp.height;
vkCmdSetViewport(m_primary_commands[m_current_buffer_index], 0, 1, &vp);
vkCmdSetScissor(m_primary_commands[m_current_buffer_index], 0, 1, &sc);
/*
Wait here until the secondary commands are ready.
*/
VkCommandBuffer secondaryCommands[11];
secondaryCommands[0] = m_terrain_command[m_current_buffer_index];
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
secondaryCommands[i + 1] = m_draw_calls[i]->getDrawCommand(m_current_buffer_index);
}
vkCmdExecuteCommands(m_primary_commands[m_current_buffer_index], 1 + m_max_draw_calls, secondaryCommands);
vkCmdEndRenderPass(m_primary_commands[m_current_buffer_index]);
VkImageResolve blitInfo;
blitInfo.srcOffset.x = 0;
blitInfo.srcOffset.y = 0;
blitInfo.srcOffset.z = 0;
blitInfo.dstOffset.x = 0;
blitInfo.dstOffset.y = 0;
blitInfo.dstOffset.z = 0;
blitInfo.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.srcSubresource.mipLevel = 0;
blitInfo.srcSubresource.baseArrayLayer = 0;
blitInfo.srcSubresource.layerCount = 1;
blitInfo.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.dstSubresource.mipLevel = 0;
blitInfo.dstSubresource.baseArrayLayer = 0;
blitInfo.dstSubresource.layerCount = 1;
blitInfo.extent.width = m_width;
blitInfo.extent.height = m_height;
blitInfo.extent.depth = 1;
vkCmdResolveImage(
m_primary_commands[m_current_buffer_index],
m_color_attachment.image,
VK_IMAGE_LAYOUT_GENERAL,
m_resolve_attachment[m_current_buffer_index].image,
VK_IMAGE_LAYOUT_GENERAL,
1,
&blitInfo);
VKA_CHECK_ERROR(vkEndCommandBuffer(m_primary_commands[m_current_buffer_index]), "Could not end command buffer for draw command.\n");
}