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      1 /*
      2  * Copyright  2016 Intel Corporation
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     21  * IN THE SOFTWARE.
     22  */
     23 
     24 #include <assert.h>
     25 #include <stdbool.h>
     26 
     27 #include "radv_meta.h"
     28 #include "radv_private.h"
     29 #include "nir/nir_builder.h"
     30 #include "sid.h"
     31 /**
     32  * Vertex attributes used by all pipelines.
     33  */
     34 struct vertex_attrs {
     35 	float position[2]; /**< 3DPRIM_RECTLIST */
     36 };
     37 
     38 /* passthrough vertex shader */
     39 static nir_shader *
     40 build_nir_vs(void)
     41 {
     42 	const struct glsl_type *vec4 = glsl_vec4_type();
     43 
     44 	nir_builder b;
     45 	nir_variable *a_position;
     46 	nir_variable *v_position;
     47 
     48 	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL);
     49 	b.shader->info->name = ralloc_strdup(b.shader, "meta_fast_clear_vs");
     50 
     51 	a_position = nir_variable_create(b.shader, nir_var_shader_in, vec4,
     52 					 "a_position");
     53 	a_position->data.location = VERT_ATTRIB_GENERIC0;
     54 
     55 	v_position = nir_variable_create(b.shader, nir_var_shader_out, vec4,
     56 					 "gl_Position");
     57 	v_position->data.location = VARYING_SLOT_POS;
     58 
     59 	nir_copy_var(&b, v_position, a_position);
     60 
     61 	return b.shader;
     62 }
     63 
     64 /* simple passthrough shader */
     65 static nir_shader *
     66 build_nir_fs(void)
     67 {
     68 	nir_builder b;
     69 
     70 	nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL);
     71 	b.shader->info->name = ralloc_asprintf(b.shader,
     72 					      "meta_fast_clear_noop_fs");
     73 
     74 	return b.shader;
     75 }
     76 
     77 static VkResult
     78 create_pass(struct radv_device *device)
     79 {
     80 	VkResult result;
     81 	VkDevice device_h = radv_device_to_handle(device);
     82 	const VkAllocationCallbacks *alloc = &device->meta_state.alloc;
     83 	VkAttachmentDescription attachment;
     84 
     85 	attachment.format = VK_FORMAT_UNDEFINED;
     86 	attachment.samples = 1;
     87 	attachment.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
     88 	attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
     89 	attachment.initialLayout = VK_IMAGE_LAYOUT_GENERAL;
     90 	attachment.finalLayout = VK_IMAGE_LAYOUT_GENERAL;
     91 
     92 	result = radv_CreateRenderPass(device_h,
     93 				       &(VkRenderPassCreateInfo) {
     94 					       .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
     95 						       .attachmentCount = 1,
     96 						       .pAttachments = &attachment,
     97 						       .subpassCount = 1,
     98 						       .pSubpasses = &(VkSubpassDescription) {
     99 						       .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
    100 						       .inputAttachmentCount = 0,
    101 						       .colorAttachmentCount = 1,
    102 						       .pColorAttachments = (VkAttachmentReference[]) {
    103 							       {
    104 								       .attachment = 0,
    105 								       .layout = VK_IMAGE_LAYOUT_GENERAL,
    106 							       },
    107 						       },
    108 						       .pResolveAttachments = NULL,
    109 						       .pDepthStencilAttachment = &(VkAttachmentReference) {
    110 							       .attachment = VK_ATTACHMENT_UNUSED,
    111 						       },
    112 						       .preserveAttachmentCount = 0,
    113 						       .pPreserveAttachments = NULL,
    114 					       },
    115 								.dependencyCount = 0,
    116 				       },
    117 				       alloc,
    118 				       &device->meta_state.fast_clear_flush.pass);
    119 
    120 	return result;
    121 }
    122 
    123 static VkResult
    124 create_pipeline(struct radv_device *device,
    125                 VkShaderModule vs_module_h)
    126 {
    127 	VkResult result;
    128 	VkDevice device_h = radv_device_to_handle(device);
    129 
    130 	struct radv_shader_module fs_module = {
    131 		.nir = build_nir_fs(),
    132 	};
    133 
    134 	if (!fs_module.nir) {
    135 		/* XXX: Need more accurate error */
    136 		result = VK_ERROR_OUT_OF_HOST_MEMORY;
    137 		goto cleanup;
    138 	}
    139 
    140 	const VkPipelineShaderStageCreateInfo stages[2] = {
    141 		{
    142 			.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
    143 			.stage = VK_SHADER_STAGE_VERTEX_BIT,
    144 			.module = vs_module_h,
    145 			.pName = "main",
    146 		},
    147 		{
    148 			.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
    149 			.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
    150 			.module = radv_shader_module_to_handle(&fs_module),
    151 			.pName = "main",
    152 		},
    153 	};
    154 
    155 	const VkPipelineVertexInputStateCreateInfo vi_state = {
    156 		.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
    157 		.vertexBindingDescriptionCount = 1,
    158 		.pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) {
    159 			{
    160 				.binding = 0,
    161 				.stride = sizeof(struct vertex_attrs),
    162 				.inputRate = VK_VERTEX_INPUT_RATE_VERTEX
    163 			},
    164 		},
    165 		.vertexAttributeDescriptionCount = 1,
    166 		.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) {
    167 			{
    168 				/* Position */
    169 				.location = 0,
    170 				.binding = 0,
    171 				.format = VK_FORMAT_R32G32_SFLOAT,
    172 				.offset = offsetof(struct vertex_attrs, position),
    173 			},
    174 		}
    175 	};
    176 
    177 	const VkPipelineInputAssemblyStateCreateInfo ia_state = {
    178 		.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
    179 		.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
    180 		.primitiveRestartEnable = false,
    181 	};
    182 
    183 	const VkPipelineColorBlendStateCreateInfo blend_state = {
    184 		.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
    185 		.logicOpEnable = false,
    186 		.attachmentCount = 1,
    187 		.pAttachments = (VkPipelineColorBlendAttachmentState []) {
    188 			{
    189 				.colorWriteMask = VK_COLOR_COMPONENT_R_BIT |
    190 				VK_COLOR_COMPONENT_G_BIT |
    191 				VK_COLOR_COMPONENT_B_BIT |
    192 				VK_COLOR_COMPONENT_A_BIT,
    193 			},
    194 		}
    195 	};
    196 	const VkPipelineRasterizationStateCreateInfo rs_state = {
    197 		.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
    198 		.depthClampEnable = false,
    199 		.rasterizerDiscardEnable = false,
    200 		.polygonMode = VK_POLYGON_MODE_FILL,
    201 		.cullMode = VK_CULL_MODE_NONE,
    202 		.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
    203 	};
    204 
    205 	result = radv_graphics_pipeline_create(device_h,
    206 					       radv_pipeline_cache_to_handle(&device->meta_state.cache),
    207 					       &(VkGraphicsPipelineCreateInfo) {
    208 						       .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
    209 						       .stageCount = 2,
    210 						       .pStages = stages,
    211 
    212 						       .pVertexInputState = &vi_state,
    213 						       .pInputAssemblyState = &ia_state,
    214 
    215 					       .pViewportState = &(VkPipelineViewportStateCreateInfo) {
    216 						       .sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
    217 						       .viewportCount = 0,
    218 						       .scissorCount = 0,
    219 					       },
    220 						       .pRasterizationState = &rs_state,
    221 					       .pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) {
    222 						       .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
    223 						       .rasterizationSamples = 1,
    224 						       .sampleShadingEnable = false,
    225 						       .pSampleMask = NULL,
    226 						       .alphaToCoverageEnable = false,
    227 						       .alphaToOneEnable = false,
    228 					       },
    229 						.pColorBlendState = &blend_state,
    230 						.pDynamicState = NULL,
    231 						.renderPass = device->meta_state.fast_clear_flush.pass,
    232 						.subpass = 0,
    233 					       },
    234 					       &(struct radv_graphics_pipeline_create_info) {
    235 						       .use_rectlist = true,
    236 						       .custom_blend_mode = V_028808_CB_ELIMINATE_FAST_CLEAR,
    237 					       },
    238 					       &device->meta_state.alloc,
    239 					       &device->meta_state.fast_clear_flush.cmask_eliminate_pipeline);
    240 	if (result != VK_SUCCESS)
    241 		goto cleanup;
    242 
    243 	result = radv_graphics_pipeline_create(device_h,
    244 					       radv_pipeline_cache_to_handle(&device->meta_state.cache),
    245 					       &(VkGraphicsPipelineCreateInfo) {
    246 						       .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
    247 						       .stageCount = 2,
    248 						       .pStages = stages,
    249 
    250 						       .pVertexInputState = &vi_state,
    251 						       .pInputAssemblyState = &ia_state,
    252 
    253 					       .pViewportState = &(VkPipelineViewportStateCreateInfo) {
    254 						       .sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
    255 						       .viewportCount = 0,
    256 						       .scissorCount = 0,
    257 					       },
    258 						       .pRasterizationState = &rs_state,
    259 					       .pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) {
    260 						       .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
    261 						       .rasterizationSamples = 1,
    262 						       .sampleShadingEnable = false,
    263 						       .pSampleMask = NULL,
    264 						       .alphaToCoverageEnable = false,
    265 						       .alphaToOneEnable = false,
    266 					       },
    267 						.pColorBlendState = &blend_state,
    268 						.pDynamicState = NULL,
    269 						.renderPass = device->meta_state.fast_clear_flush.pass,
    270 						.subpass = 0,
    271 					       },
    272 					       &(struct radv_graphics_pipeline_create_info) {
    273 						       .use_rectlist = true,
    274 						       .custom_blend_mode = V_028808_CB_FMASK_DECOMPRESS,
    275 					       },
    276 					       &device->meta_state.alloc,
    277 					       &device->meta_state.fast_clear_flush.fmask_decompress_pipeline);
    278 	if (result != VK_SUCCESS)
    279 		goto cleanup_cmask;
    280 
    281 	goto cleanup;
    282 cleanup_cmask:
    283 	radv_DestroyPipeline(device_h, device->meta_state.fast_clear_flush.cmask_eliminate_pipeline, &device->meta_state.alloc);
    284 cleanup:
    285 	ralloc_free(fs_module.nir);
    286 	return result;
    287 }
    288 
    289 void
    290 radv_device_finish_meta_fast_clear_flush_state(struct radv_device *device)
    291 {
    292 	struct radv_meta_state *state = &device->meta_state;
    293 	VkDevice device_h = radv_device_to_handle(device);
    294 	VkRenderPass pass_h = device->meta_state.fast_clear_flush.pass;
    295 	const VkAllocationCallbacks *alloc = &device->meta_state.alloc;
    296 
    297 	if (pass_h)
    298 		radv_DestroyRenderPass(device_h, pass_h,
    299 					     &device->meta_state.alloc);
    300 
    301 	VkPipeline pipeline_h = state->fast_clear_flush.cmask_eliminate_pipeline;
    302 	if (pipeline_h) {
    303 		radv_DestroyPipeline(device_h, pipeline_h, alloc);
    304 	}
    305 
    306 	pipeline_h = state->fast_clear_flush.fmask_decompress_pipeline;
    307 	if (pipeline_h) {
    308 		radv_DestroyPipeline(device_h, pipeline_h, alloc);
    309 	}
    310 }
    311 
    312 VkResult
    313 radv_device_init_meta_fast_clear_flush_state(struct radv_device *device)
    314 {
    315 	VkResult res = VK_SUCCESS;
    316 
    317 	zero(device->meta_state.fast_clear_flush);
    318 
    319 	struct radv_shader_module vs_module = { .nir = build_nir_vs() };
    320 	if (!vs_module.nir) {
    321 		/* XXX: Need more accurate error */
    322 		res = VK_ERROR_OUT_OF_HOST_MEMORY;
    323 		goto fail;
    324 	}
    325 
    326 	res = create_pass(device);
    327 	if (res != VK_SUCCESS)
    328 		goto fail;
    329 
    330 	VkShaderModule vs_module_h = radv_shader_module_to_handle(&vs_module);
    331 	res = create_pipeline(device, vs_module_h);
    332 	if (res != VK_SUCCESS)
    333 		goto fail;
    334 
    335 	goto cleanup;
    336 
    337 fail:
    338 	radv_device_finish_meta_fast_clear_flush_state(device);
    339 
    340 cleanup:
    341 	ralloc_free(vs_module.nir);
    342 
    343 	return res;
    344 }
    345 
    346 static void
    347 emit_fast_clear_flush(struct radv_cmd_buffer *cmd_buffer,
    348 		      const VkExtent2D *resolve_extent,
    349 		      bool fmask_decompress)
    350 {
    351 	struct radv_device *device = cmd_buffer->device;
    352 	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
    353 	uint32_t offset;
    354 	const struct vertex_attrs vertex_data[3] = {
    355 		{
    356 			.position = {
    357 				0,
    358 				0,
    359 			},
    360 		},
    361 		{
    362 			.position = {
    363 				0,
    364 				resolve_extent->height,
    365 			},
    366 		},
    367 		{
    368 			.position = {
    369 				resolve_extent->width,
    370 				0,
    371 			},
    372 		},
    373 	};
    374 
    375 	cmd_buffer->state.flush_bits |= (RADV_CMD_FLAG_FLUSH_AND_INV_CB |
    376 					 RADV_CMD_FLAG_FLUSH_AND_INV_CB_META);
    377 	radv_cmd_buffer_upload_data(cmd_buffer, sizeof(vertex_data), 16, vertex_data, &offset);
    378 	struct radv_buffer vertex_buffer = {
    379 		.device = device,
    380 		.size = sizeof(vertex_data),
    381 		.bo = cmd_buffer->upload.upload_bo,
    382 		.offset = offset,
    383 	};
    384 
    385 	VkBuffer vertex_buffer_h = radv_buffer_to_handle(&vertex_buffer);
    386 
    387 	radv_CmdBindVertexBuffers(cmd_buffer_h,
    388 				  /*firstBinding*/ 0,
    389 				  /*bindingCount*/ 1,
    390 				  (VkBuffer[]) { vertex_buffer_h },
    391 				  (VkDeviceSize[]) { 0 });
    392 
    393 	VkPipeline pipeline_h;
    394 	if (fmask_decompress)
    395 		pipeline_h = device->meta_state.fast_clear_flush.fmask_decompress_pipeline;
    396 	else
    397 		pipeline_h = device->meta_state.fast_clear_flush.cmask_eliminate_pipeline;
    398 	RADV_FROM_HANDLE(radv_pipeline, pipeline, pipeline_h);
    399 
    400 	if (cmd_buffer->state.pipeline != pipeline) {
    401 		radv_CmdBindPipeline(cmd_buffer_h, VK_PIPELINE_BIND_POINT_GRAPHICS,
    402 				     pipeline_h);
    403 	}
    404 
    405 	radv_CmdDraw(cmd_buffer_h, 3, 1, 0, 0);
    406 	cmd_buffer->state.flush_bits |= (RADV_CMD_FLAG_FLUSH_AND_INV_CB |
    407 					 RADV_CMD_FLAG_FLUSH_AND_INV_CB_META);
    408 	si_emit_cache_flush(cmd_buffer);
    409 }
    410 
    411 /**
    412  */
    413 void
    414 radv_fast_clear_flush_image_inplace(struct radv_cmd_buffer *cmd_buffer,
    415 				    struct radv_image *image)
    416 {
    417 	struct radv_meta_saved_state saved_state;
    418 	struct radv_meta_saved_pass_state saved_pass_state;
    419 	VkDevice device_h = radv_device_to_handle(cmd_buffer->device);
    420 	VkCommandBuffer cmd_buffer_h = radv_cmd_buffer_to_handle(cmd_buffer);
    421 
    422 	assert(cmd_buffer->queue_family_index == RADV_QUEUE_GENERAL);
    423 	radv_meta_save_pass(&saved_pass_state, cmd_buffer);
    424 	radv_meta_save_graphics_reset_vport_scissor(&saved_state, cmd_buffer);
    425 
    426 	struct radv_image_view iview;
    427 	radv_image_view_init(&iview, cmd_buffer->device,
    428 			     &(VkImageViewCreateInfo) {
    429 				     .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
    430 					     .image = radv_image_to_handle(image),
    431 					     .format = image->vk_format,
    432 					     .subresourceRange = {
    433 						     .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
    434 						     .baseMipLevel = 0,
    435 						     .levelCount = 1,
    436 						     .baseArrayLayer = 0,
    437 						     .layerCount = 1,
    438 					     },
    439 				     },
    440 				     cmd_buffer, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
    441 
    442 	VkFramebuffer fb_h;
    443 	radv_CreateFramebuffer(device_h,
    444 			       &(VkFramebufferCreateInfo) {
    445 				       .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
    446 				       .attachmentCount = 1,
    447 				       .pAttachments = (VkImageView[]) {
    448 					       radv_image_view_to_handle(&iview)
    449 				       },
    450 				       .width = image->extent.width,
    451 				       .height = image->extent.height,
    452 				       .layers = 1
    453 			      },
    454 			      &cmd_buffer->pool->alloc,
    455 			      &fb_h);
    456 
    457 	radv_CmdBeginRenderPass(cmd_buffer_h,
    458 				      &(VkRenderPassBeginInfo) {
    459 					      .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
    460 						      .renderPass = cmd_buffer->device->meta_state.fast_clear_flush.pass,
    461 						      .framebuffer = fb_h,
    462 						      .renderArea = {
    463 						      .offset = {
    464 							      0,
    465 							      0,
    466 						      },
    467 						      .extent = {
    468 							      image->extent.width,
    469 							      image->extent.height,
    470 						      }
    471 					      },
    472 					      .clearValueCount = 0,
    473 					      .pClearValues = NULL,
    474 				     },
    475 				     VK_SUBPASS_CONTENTS_INLINE);
    476 
    477 	emit_fast_clear_flush(cmd_buffer,
    478 			      &(VkExtent2D) { image->extent.width, image->extent.height },
    479 			      image->fmask.size > 0);
    480 	radv_CmdEndRenderPass(cmd_buffer_h);
    481 
    482 	radv_DestroyFramebuffer(device_h, fb_h,
    483 				&cmd_buffer->pool->alloc);
    484 
    485 	radv_meta_restore(&saved_state, cmd_buffer);
    486 	radv_meta_restore_pass(&saved_pass_state, cmd_buffer);
    487 }
    488