VkResult intel_cmd_begin(struct intel_cmd *cmd, const VkCommandBufferBeginInfo *info)
{
VkResult ret;
uint32_t i;
cmd_reset(cmd);
/* TODOVV: Check that render pass is defined */
const VkCommandBufferInheritanceInfo *hinfo = info->pInheritanceInfo;
if (!cmd->primary) {
cmd_begin_render_pass(cmd,
intel_render_pass(hinfo->renderPass),
intel_fb(hinfo->framebuffer),
hinfo->subpass,
VK_SUBPASS_CONTENTS_INLINE);
}
if (cmd->flags != info->flags) {
cmd->flags = info->flags;
cmd->writers[INTEL_CMD_WRITER_BATCH].size = 0;
}
if (!cmd->writers[INTEL_CMD_WRITER_BATCH].size) {
const uint32_t size = cmd->dev->gpu->max_batch_buffer_size / 2;
cmd->writers[INTEL_CMD_WRITER_BATCH].size = size;
cmd->writers[INTEL_CMD_WRITER_SURFACE].size = size / 2;
cmd->writers[INTEL_CMD_WRITER_STATE].size = size / 2;
cmd->writers[INTEL_CMD_WRITER_INSTRUCTION].size = 16384;
}
for (i = 0; i < INTEL_CMD_WRITER_COUNT; i++) {
ret = cmd_writer_alloc_and_map(cmd, i);
if (ret != VK_SUCCESS) {
cmd_reset(cmd);
return ret;
}
}
cmd_batch_begin(cmd);
return VK_SUCCESS;
}
void bind_pipeline(const command_buffer &, command_recorder &recorder) const override final {
const auto &fb_clearvalues = attached_framebuffer->get_fb_clearvalues();
assert(fb_layout.get_highest_index_of_attachment_with_load_op() <= fb_clearvalues.size());
const lib::vector<VkClearValue> clear_values(fb_clearvalues.begin(),
fb_clearvalues.begin() + fb_layout.get_highest_index_of_attachment_with_load_op());
auto fb_extent = attached_framebuffer->extent();
recorder << cmd_begin_render_pass(*attached_framebuffer,
device_renderpass.get(),
{ 0,0 },
fb_extent,
clear_values);
recorder << cmd_bind_pipeline(graphics_pipeline.get());
// Set dynamic viewport and scissor states
recorder
<< cmd_set_viewport(rect(glm::vec2(fb_extent)), attached_framebuffer->get_depth_range())
<< cmd_set_scissor(i32rect(glm::i32vec2(fb_extent)));
}
