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turnip: implement CmdClearAttachments

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Passes these deqp tests: dEQP-VK.api.image_clearing.core.*attach*single*

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Jonathan Marek
2019-11-22 18:09:32 -05:00
parent 1dfa2e6c99
commit 4babdc7381
1 changed files with 65 additions and 1 deletions
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src/freedreno/vulkan/tu_meta_clear.c
+65 -1
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@@ -23,6 +23,7 @@
#include "tu_private.h"
#include "tu_blit.h"
#include "tu_cs.h"
static void
clear_image(struct tu_cmd_buffer *cmdbuf,
@@ -99,5 +100,68 @@ tu_CmdClearAttachments(VkCommandBuffer commandBuffer,
uint32_t rectCount,
const VkClearRect *pRects)
{
tu_finishme("CmdClearAttachments");
TU_FROM_HANDLE(tu_cmd_buffer, cmd, commandBuffer);
const struct tu_subpass *subpass = cmd->state.subpass;
struct tu_cs *cs = &cmd->draw_cs;
VkResult result = tu_cs_reserve_space(cmd->device, cs,
rectCount * (3 + 15 * attachmentCount));
if (result != VK_SUCCESS) {
cmd->record_result = result;
return;
}
/* TODO: deal with layered rendering (when layered rendering is implemented)
* TODO: disable bypass rendering for subpass (when bypass is implemented)
*/
for (unsigned i = 0; i < rectCount; i++) {
unsigned x1 = pRects[i].rect.offset.x;
unsigned y1 = pRects[i].rect.offset.y;
unsigned x2 = x1 + pRects[i].rect.extent.width - 1;
unsigned y2 = y1 + pRects[i].rect.extent.height - 1;
tu_cs_emit_pkt4(cs, REG_A6XX_RB_BLIT_SCISSOR_TL, 2);
tu_cs_emit(cs, A6XX_RB_BLIT_SCISSOR_TL_X(x1) | A6XX_RB_BLIT_SCISSOR_TL_Y(y1));
tu_cs_emit(cs, A6XX_RB_BLIT_SCISSOR_BR_X(x2) | A6XX_RB_BLIT_SCISSOR_BR_Y(y2));
for (unsigned j = 0; j < attachmentCount; j++) {
uint32_t index, a;
if (pAttachments[j].aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) {
index = pAttachments[j].colorAttachment;
a = subpass->color_attachments[index].attachment;
} else {
index = subpass->color_count;
a = subpass->depth_stencil_attachment.attachment;
}
/* TODO: partial depth/stencil clear? */
VkFormat fmt = cmd->state.pass->attachments[a].format;
const struct tu_native_format *format = tu6_get_native_format(fmt);
assert(format && format->rb >= 0);
tu_cs_emit_pkt4(cs, REG_A6XX_RB_BLIT_DST_INFO, 1);
tu_cs_emit(cs, A6XX_RB_BLIT_DST_INFO_COLOR_FORMAT(format->rb));
tu_cs_emit_pkt4(cs, REG_A6XX_RB_BLIT_INFO, 1);
tu_cs_emit(cs, A6XX_RB_BLIT_INFO_GMEM | A6XX_RB_BLIT_INFO_CLEAR_MASK(0xf));
tu_cs_emit_pkt4(cs, REG_A6XX_RB_BLIT_BASE_GMEM, 1);
tu_cs_emit(cs, cmd->state.tiling_config.gmem_offsets[index]);
tu_cs_emit_pkt4(cs, REG_A6XX_RB_UNKNOWN_88D0, 1);
tu_cs_emit(cs, 0);
uint32_t clear_vals[4] = { 0 };
tu_pack_clear_value(&pAttachments[j].clearValue, fmt, clear_vals);
tu_cs_emit_pkt4(cs, REG_A6XX_RB_BLIT_CLEAR_COLOR_DW0, 4);
tu_cs_emit(cs, clear_vals[0]);
tu_cs_emit(cs, clear_vals[1]);
tu_cs_emit(cs, clear_vals[2]);
tu_cs_emit(cs, clear_vals[3]);
tu6_emit_event_write(cmd, cs, BLIT, false);
}
}
}