src/gallium/drivers/zink/zink_blit.c

   1 #include "zink_context.h"
   2 #include "zink_helpers.h"
   3 #include "zink_resource.h"
   4 #include "zink_screen.h"
   5
   6 #include "util/u_blitter.h"
   7 #include "util/u_surface.h"
   8 #include "util/format/u_format.h"
   9
  10 static bool
  11 blit_resolve(struct zink_context *ctx, const struct pipe_blit_info *info)
  12 {
  13    if (util_format_get_mask(info->dst.format) != info->mask ||
  14        util_format_get_mask(info->src.format) != info->mask ||
  15        info->scissor_enable ||
  16        info->alpha_blend ||
  17        info->render_condition_enable)
  18       return false;
  19
  20    struct zink_resource *src = zink_resource(info->src.resource);
  21    struct zink_resource *dst = zink_resource(info->dst.resource);
  22
  23    struct zink_screen *screen = zink_screen(ctx->base.screen);
  24    if (src->format != zink_get_format(screen, info->src.format) ||
  25        dst->format != zink_get_format(screen, info->dst.format))
  26       return false;
  27
  28    struct zink_batch *batch = zink_batch_no_rp(ctx);
  29
  30    zink_batch_reference_resoure(batch, src);
  31    zink_batch_reference_resoure(batch, dst);
  32
  33    if (src->layout != VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL)
  34       zink_resource_barrier(batch->cmdbuf, src, src->aspect,
  35                             VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
  36
  37    if (dst->layout != VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL)
  38       zink_resource_barrier(batch->cmdbuf, dst, dst->aspect,
  39                             VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
  40
  41    VkImageResolve region = {};
  42
  43    region.srcSubresource.aspectMask = src->aspect;
  44    region.srcSubresource.mipLevel = info->src.level;
  45    region.srcSubresource.baseArrayLayer = 0; // no clue
  46    region.srcSubresource.layerCount = 1; // no clue
  47    region.srcOffset.x = info->src.box.x;
  48    region.srcOffset.y = info->src.box.y;
  49    region.srcOffset.z = info->src.box.z;
  50
  51    region.dstSubresource.aspectMask = dst->aspect;
  52    region.dstSubresource.mipLevel = info->dst.level;
  53    region.dstSubresource.baseArrayLayer = 0; // no clue
  54    region.dstSubresource.layerCount = 1; // no clue
  55    region.dstOffset.x = info->dst.box.x;
  56    region.dstOffset.y = info->dst.box.y;
  57    region.dstOffset.z = info->dst.box.z;
  58
  59    region.extent.width = info->dst.box.width;
  60    region.extent.height = info->dst.box.height;
  61    region.extent.depth = info->dst.box.depth;
  62    vkCmdResolveImage(batch->cmdbuf, src->image, src->layout,
  63                      dst->image, dst->layout,
  64                      1, &region);
  65
  66    return true;
  67 }
  68
  69 static bool
  70 blit_native(struct zink_context *ctx, const struct pipe_blit_info *info)
  71 {
  72    if (util_format_get_mask(info->dst.format) != info->mask ||
  73        util_format_get_mask(info->src.format) != info->mask ||
  74        info->scissor_enable ||
  75        info->alpha_blend ||
  76        info->render_condition_enable)
  77       return false;
  78
  79    if (util_format_is_depth_or_stencil(info->dst.format) &&
  80        info->dst.format != info->src.format)
  81       return false;
  82
  83    struct zink_resource *src = zink_resource(info->src.resource);
  84    struct zink_resource *dst = zink_resource(info->dst.resource);
  85
  86    struct zink_screen *screen = zink_screen(ctx->base.screen);
  87    if (src->format != zink_get_format(screen, info->src.format) ||
  88        dst->format != zink_get_format(screen, info->dst.format))
  89       return false;
  90
  91    struct zink_batch *batch = zink_batch_no_rp(ctx);
  92    zink_batch_reference_resoure(batch, src);
  93    zink_batch_reference_resoure(batch, dst);
  94
  95    if (src == dst) {
  96       /* The Vulkan 1.1 specification says the following about valid usage
  97        * of vkCmdBlitImage:
  98        *
  99        * "srcImageLayout must be VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR,
 100        *  VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL or VK_IMAGE_LAYOUT_GENERAL"
 101        *
 102        * and:
 103        *
 104        * "dstImageLayout must be VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR,
 105        *  VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL or VK_IMAGE_LAYOUT_GENERAL"
 106        *
 107        * Since we cant have the same image in two states at the same time,
 108        * we're effectively left with VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR or
 109        * VK_IMAGE_LAYOUT_GENERAL. And since this isn't a present-related
 110        * operation, VK_IMAGE_LAYOUT_GENERAL seems most appropriate.
 111        */
 112       if (src->layout != VK_IMAGE_LAYOUT_GENERAL)
 113          zink_resource_barrier(batch->cmdbuf, src, src->aspect,
 114                                VK_IMAGE_LAYOUT_GENERAL);
 115    } else {
 116       if (src->layout != VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL)
 117          zink_resource_barrier(batch->cmdbuf, src, src->aspect,
 118                                VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
 119
 120       if (dst->layout != VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL)
 121          zink_resource_barrier(batch->cmdbuf, dst, dst->aspect,
 122                                VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
 123    }
 124
 125    VkImageBlit region = {};
 126    region.srcSubresource.aspectMask = src->aspect;
 127    region.srcSubresource.mipLevel = info->src.level;
 128    region.srcOffsets[0].x = info->src.box.x;
 129    region.srcOffsets[0].y = info->src.box.y;
 130    region.srcOffsets[1].x = info->src.box.x + info->src.box.width;
 131    region.srcOffsets[1].y = info->src.box.y + info->src.box.height;
 132
 133    if (src->base.array_size > 1) {
 134       region.srcOffsets[0].z = 0;
 135       region.srcOffsets[1].z = 1;
 136       region.srcSubresource.baseArrayLayer = info->src.box.z;
 137       region.srcSubresource.layerCount = info->src.box.depth;
 138    } else {
 139       region.srcOffsets[0].z = info->src.box.z;
 140       region.srcOffsets[1].z = info->src.box.z + info->src.box.depth;
 141       region.srcSubresource.baseArrayLayer = 0;
 142       region.srcSubresource.layerCount = 1;
 143    }
 144
 145    region.dstSubresource.aspectMask = dst->aspect;
 146    region.dstSubresource.mipLevel = info->dst.level;
 147    region.dstOffsets[0].x = info->dst.box.x;
 148    region.dstOffsets[0].y = info->dst.box.y;
 149    region.dstOffsets[1].x = info->dst.box.x + info->dst.box.width;
 150    region.dstOffsets[1].y = info->dst.box.y + info->dst.box.height;
 151
 152    if (dst->base.array_size > 1) {
 153       region.dstOffsets[0].z = 0;
 154       region.dstOffsets[1].z = 1;
 155       region.dstSubresource.baseArrayLayer = info->dst.box.z;
 156       region.dstSubresource.layerCount = info->dst.box.depth;
 157    } else {
 158       region.dstOffsets[0].z = info->dst.box.z;
 159       region.dstOffsets[1].z = info->dst.box.z + info->dst.box.depth;
 160       region.dstSubresource.baseArrayLayer = 0;
 161       region.dstSubresource.layerCount = 1;
 162    }
 163
 164    vkCmdBlitImage(batch->cmdbuf, src->image, src->layout,
 165                   dst->image, dst->layout,
 166                   1, &region,
 167                   zink_filter(info->filter));
 168
 169    return true;
 170 }
 171
 172 void
 173 zink_blit(struct pipe_context *pctx,
 174           const struct pipe_blit_info *info)
 175 {
 176    struct zink_context *ctx = zink_context(pctx);
 177    if (info->src.resource->nr_samples > 1 &&
 178        info->dst.resource->nr_samples <= 1) {
 179       if (blit_resolve(ctx, info))
 180          return;
 181    } else {
 182       if (blit_native(ctx, info))
 183          return;
 184    }
 185
 186    struct zink_resource *src = zink_resource(info->src.resource);
 187    struct zink_resource *dst = zink_resource(info->dst.resource);
 188    /* if we're copying between resources with matching aspects then we can probably just copy_region */
 189    if (src->aspect == dst->aspect && util_try_blit_via_copy_region(pctx, info))
 190       return;
 191
 192    if (!util_blitter_is_blit_supported(ctx->blitter, info)) {
 193       debug_printf("blit unsupported %s -> %s\n",
 194               util_format_short_name(info->src.resource->format),
 195               util_format_short_name(info->dst.resource->format));
 196       return;
 197    }
 198
 199    util_blitter_save_blend(ctx->blitter, ctx->gfx_pipeline_state.blend_state);
 200    util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->gfx_pipeline_state.depth_stencil_alpha_state);
 201    util_blitter_save_vertex_elements(ctx->blitter, ctx->element_state);
 202    util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref);
 203    util_blitter_save_rasterizer(ctx->blitter, ctx->rast_state);
 204    util_blitter_save_fragment_shader(ctx->blitter, ctx->gfx_stages[PIPE_SHADER_FRAGMENT]);
 205    util_blitter_save_vertex_shader(ctx->blitter, ctx->gfx_stages[PIPE_SHADER_VERTEX]);
 206    util_blitter_save_framebuffer(ctx->blitter, &ctx->fb_state);
 207    util_blitter_save_viewport(ctx->blitter, ctx->viewport_states);
 208    util_blitter_save_scissor(ctx->blitter, ctx->scissor_states);
 209    util_blitter_save_fragment_sampler_states(ctx->blitter,
 210                                              ctx->num_samplers[PIPE_SHADER_FRAGMENT],
 211                                              ctx->sampler_states[PIPE_SHADER_FRAGMENT]);
 212    util_blitter_save_fragment_sampler_views(ctx->blitter,
 213                                             ctx->num_image_views[PIPE_SHADER_FRAGMENT],
 214                                             ctx->image_views[PIPE_SHADER_FRAGMENT]);
 215    util_blitter_save_fragment_constant_buffer_slot(ctx->blitter, ctx->ubos[PIPE_SHADER_FRAGMENT]);
 216    util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->buffers);
 217    util_blitter_save_sample_mask(ctx->blitter, ctx->gfx_pipeline_state.sample_mask);
 218    util_blitter_save_so_targets(ctx->blitter, ctx->num_so_targets, ctx->so_targets);
 219
 220    util_blitter_blit(ctx->blitter, info);
 221 }