| /* |
| * Copyright 2018-2019 Alyssa Rosenzweig |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| */ |
| |
| #include "pan_bo.h" |
| #include "pan_context.h" |
| #include "pan_cmdstream.h" |
| #include "pan_util.h" |
| #include "panfrost-quirks.h" |
| |
| static struct mali_rt_format |
| panfrost_mfbd_format(struct pipe_surface *surf) |
| { |
| /* Explode details on the format */ |
| |
| const struct util_format_description *desc = |
| util_format_description(surf->format); |
| |
| /* The swizzle for rendering is inverted from texturing */ |
| |
| unsigned char swizzle[4]; |
| panfrost_invert_swizzle(desc->swizzle, swizzle); |
| |
| /* Fill in accordingly, defaulting to 8-bit UNORM */ |
| |
| struct mali_rt_format fmt = { |
| .unk1 = 0x4000000, |
| .unk2 = 0x1, |
| .nr_channels = MALI_POSITIVE(desc->nr_channels), |
| .unk3 = 0x4, |
| .flags = 0x8, |
| .swizzle = panfrost_translate_swizzle_4(swizzle), |
| .no_preload = true |
| }; |
| |
| if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) |
| fmt.flags |= MALI_MFBD_FORMAT_SRGB; |
| |
| /* sRGB handled as a dedicated flag */ |
| enum pipe_format linearized = util_format_linear(surf->format); |
| |
| /* If RGB, we're good to go */ |
| if (util_format_is_unorm8(desc)) |
| return fmt; |
| |
| /* Set flags for alternative formats */ |
| |
| switch (linearized) { |
| case PIPE_FORMAT_B5G6R5_UNORM: |
| fmt.unk1 = 0x14000000; |
| fmt.nr_channels = MALI_POSITIVE(2); |
| fmt.unk3 |= 0x1; |
| break; |
| |
| case PIPE_FORMAT_A4B4G4R4_UNORM: |
| case PIPE_FORMAT_B4G4R4A4_UNORM: |
| case PIPE_FORMAT_R4G4B4A4_UNORM: |
| fmt.unk1 = 0x10000000; |
| fmt.unk3 = 0x5; |
| fmt.nr_channels = MALI_POSITIVE(1); |
| break; |
| |
| case PIPE_FORMAT_R10G10B10A2_UNORM: |
| case PIPE_FORMAT_B10G10R10A2_UNORM: |
| case PIPE_FORMAT_R10G10B10X2_UNORM: |
| case PIPE_FORMAT_B10G10R10X2_UNORM: |
| fmt.unk1 = 0x08000000; |
| fmt.unk3 = 0x6; |
| fmt.nr_channels = MALI_POSITIVE(1); |
| break; |
| |
| case PIPE_FORMAT_B5G5R5A1_UNORM: |
| case PIPE_FORMAT_R5G5B5A1_UNORM: |
| case PIPE_FORMAT_B5G5R5X1_UNORM: |
| fmt.unk1 = 0x18000000; |
| fmt.unk3 = 0x7; |
| fmt.nr_channels = MALI_POSITIVE(2); |
| break; |
| |
| /* Generic 8-bit */ |
| case PIPE_FORMAT_R8_UINT: |
| case PIPE_FORMAT_R8_SINT: |
| fmt.unk1 = 0x80000000; |
| fmt.unk3 = 0x0; |
| fmt.nr_channels = MALI_POSITIVE(1); |
| break; |
| |
| /* Generic 32-bit */ |
| case PIPE_FORMAT_R11G11B10_FLOAT: |
| case PIPE_FORMAT_R8G8B8A8_UINT: |
| case PIPE_FORMAT_R8G8B8A8_SINT: |
| case PIPE_FORMAT_R16G16_FLOAT: |
| case PIPE_FORMAT_R16G16_UINT: |
| case PIPE_FORMAT_R16G16_SINT: |
| case PIPE_FORMAT_R32_FLOAT: |
| case PIPE_FORMAT_R32_UINT: |
| case PIPE_FORMAT_R32_SINT: |
| case PIPE_FORMAT_R10G10B10A2_UINT: |
| fmt.unk1 = 0x88000000; |
| fmt.unk3 = 0x0; |
| fmt.nr_channels = MALI_POSITIVE(4); |
| break; |
| |
| /* Generic 16-bit */ |
| case PIPE_FORMAT_R8G8_UINT: |
| case PIPE_FORMAT_R8G8_SINT: |
| case PIPE_FORMAT_R16_FLOAT: |
| case PIPE_FORMAT_R16_UINT: |
| case PIPE_FORMAT_R16_SINT: |
| fmt.unk1 = 0x84000000; |
| fmt.unk3 = 0x0; |
| fmt.nr_channels = MALI_POSITIVE(2); |
| break; |
| |
| /* Generic 64-bit */ |
| case PIPE_FORMAT_R32G32_FLOAT: |
| case PIPE_FORMAT_R32G32_SINT: |
| case PIPE_FORMAT_R32G32_UINT: |
| case PIPE_FORMAT_R16G16B16A16_FLOAT: |
| case PIPE_FORMAT_R16G16B16A16_SINT: |
| case PIPE_FORMAT_R16G16B16A16_UINT: |
| fmt.unk1 = 0x8c000000; |
| fmt.unk3 = 0x1; |
| fmt.nr_channels = MALI_POSITIVE(2); |
| break; |
| |
| /* Generic 128-bit */ |
| case PIPE_FORMAT_R32G32B32A32_FLOAT: |
| case PIPE_FORMAT_R32G32B32A32_SINT: |
| case PIPE_FORMAT_R32G32B32A32_UINT: |
| fmt.unk1 = 0x90000000; |
| fmt.unk3 = 0x1; |
| fmt.nr_channels = MALI_POSITIVE(4); |
| break; |
| |
| default: |
| unreachable("Invalid format rendering"); |
| } |
| |
| return fmt; |
| } |
| |
| |
| static void |
| panfrost_mfbd_clear( |
| struct panfrost_batch *batch, |
| struct mali_framebuffer *fb, |
| struct mali_framebuffer_extra *fbx, |
| struct mali_render_target *rts, |
| unsigned rt_count) |
| { |
| struct panfrost_context *ctx = batch->ctx; |
| struct pipe_context *gallium = (struct pipe_context *) ctx; |
| struct panfrost_device *dev = pan_device(gallium->screen); |
| |
| for (unsigned i = 0; i < rt_count; ++i) { |
| if (!(batch->clear & (PIPE_CLEAR_COLOR0 << i))) |
| continue; |
| |
| rts[i].clear_color_1 = batch->clear_color[i][0]; |
| rts[i].clear_color_2 = batch->clear_color[i][1]; |
| rts[i].clear_color_3 = batch->clear_color[i][2]; |
| rts[i].clear_color_4 = batch->clear_color[i][3]; |
| } |
| |
| if (batch->clear & PIPE_CLEAR_DEPTH) { |
| fb->clear_depth = batch->clear_depth; |
| } |
| |
| if (batch->clear & PIPE_CLEAR_STENCIL) { |
| fb->clear_stencil = batch->clear_stencil; |
| } |
| |
| if (dev->quirks & IS_BIFROST) { |
| fbx->clear_color_1 = batch->clear_color[0][0]; |
| fbx->clear_color_2 = 0xc0000000 | (fbx->clear_color_1 & 0xffff); /* WTF? */ |
| } |
| } |
| |
| static void |
| panfrost_mfbd_set_cbuf( |
| struct mali_render_target *rt, |
| struct pipe_surface *surf) |
| { |
| struct panfrost_resource *rsrc = pan_resource(surf->texture); |
| struct panfrost_device *dev = pan_device(surf->context->screen); |
| bool is_bifrost = dev->quirks & IS_BIFROST; |
| |
| unsigned level = surf->u.tex.level; |
| unsigned first_layer = surf->u.tex.first_layer; |
| assert(surf->u.tex.last_layer == first_layer); |
| int stride = rsrc->slices[level].stride; |
| |
| /* Only set layer_stride for MSAA rendering */ |
| |
| unsigned nr_samples = surf->nr_samples; |
| |
| if (!nr_samples) |
| nr_samples = surf->texture->nr_samples; |
| |
| unsigned layer_stride = (nr_samples > 1) ? rsrc->slices[level].size0 : 0; |
| |
| mali_ptr base = panfrost_get_texture_address(rsrc, level, first_layer, 0); |
| |
| rt->format = panfrost_mfbd_format(surf); |
| |
| if (layer_stride) |
| rt->format.flags |= MALI_MFBD_FORMAT_MSAA | MALI_MFBD_FORMAT_LAYERED; |
| |
| /* Now, we set the layout specific pieces */ |
| |
| if (rsrc->layout == MALI_TEXTURE_LINEAR) { |
| if (is_bifrost) { |
| rt->format.unk4 = 0x1; |
| } else { |
| rt->format.block = MALI_BLOCK_LINEAR; |
| } |
| |
| rt->framebuffer = base; |
| rt->framebuffer_stride = stride / 16; |
| rt->layer_stride = layer_stride; |
| } else if (rsrc->layout == MALI_TEXTURE_TILED) { |
| if (is_bifrost) { |
| rt->format.unk3 |= 0x8; |
| } else { |
| rt->format.block = MALI_BLOCK_TILED; |
| } |
| |
| rt->framebuffer = base; |
| rt->framebuffer_stride = stride; |
| rt->layer_stride = layer_stride; |
| } else if (rsrc->layout == MALI_TEXTURE_AFBC) { |
| rt->format.block = MALI_BLOCK_AFBC; |
| |
| unsigned header_size = rsrc->slices[level].header_size; |
| |
| rt->framebuffer = base + header_size; |
| rt->layer_stride = layer_stride; |
| rt->afbc.metadata = base; |
| rt->afbc.stride = 0; |
| rt->afbc.flags = MALI_AFBC_FLAGS; |
| |
| unsigned components = util_format_get_nr_components(surf->format); |
| |
| /* The "lossless colorspace transform" is lossy for R and RG formats */ |
| if (components >= 3) |
| rt->afbc.flags |= MALI_AFBC_YTR; |
| |
| /* TODO: The blob sets this to something nonzero, but it's not |
| * clear what/how to calculate/if it matters */ |
| rt->framebuffer_stride = 0; |
| } else { |
| fprintf(stderr, "Invalid render layout (cbuf)"); |
| assert(0); |
| } |
| } |
| |
| static void |
| panfrost_mfbd_set_zsbuf( |
| struct mali_framebuffer *fb, |
| struct mali_framebuffer_extra *fbx, |
| struct pipe_surface *surf) |
| { |
| struct panfrost_device *dev = pan_device(surf->context->screen); |
| bool is_bifrost = dev->quirks & IS_BIFROST; |
| struct panfrost_resource *rsrc = pan_resource(surf->texture); |
| |
| unsigned nr_samples = surf->nr_samples; |
| |
| if (!nr_samples) |
| nr_samples = surf->texture->nr_samples; |
| |
| nr_samples = MAX2(nr_samples, 1); |
| |
| fbx->zs_samples = MALI_POSITIVE(nr_samples); |
| |
| unsigned level = surf->u.tex.level; |
| unsigned first_layer = surf->u.tex.first_layer; |
| assert(surf->u.tex.last_layer == first_layer); |
| |
| mali_ptr base = panfrost_get_texture_address(rsrc, level, first_layer, 0); |
| |
| if (rsrc->layout == MALI_TEXTURE_AFBC) { |
| /* The only Z/S format we can compress is Z24S8 or variants |
| * thereof (handled by the gallium frontend) */ |
| assert(panfrost_is_z24s8_variant(surf->format)); |
| |
| unsigned header_size = rsrc->slices[level].header_size; |
| |
| fb->mfbd_flags |= MALI_MFBD_EXTRA | MALI_MFBD_DEPTH_WRITE; |
| |
| fbx->flags_hi |= MALI_EXTRA_PRESENT; |
| fbx->flags_lo |= MALI_EXTRA_ZS | 0x1; /* unknown */ |
| fbx->zs_block = MALI_BLOCK_AFBC; |
| |
| fbx->ds_afbc.depth_stencil = base + header_size; |
| fbx->ds_afbc.depth_stencil_afbc_metadata = base; |
| fbx->ds_afbc.depth_stencil_afbc_stride = 0; |
| |
| fbx->ds_afbc.flags = MALI_AFBC_FLAGS; |
| fbx->ds_afbc.padding = 0x1000; |
| } else if (rsrc->layout == MALI_TEXTURE_LINEAR || rsrc->layout == MALI_TEXTURE_TILED) { |
| /* TODO: Z32F(S8) support, which is always linear */ |
| |
| int stride = rsrc->slices[level].stride; |
| |
| unsigned layer_stride = (nr_samples > 1) ? rsrc->slices[level].size0 : 0; |
| |
| fb->mfbd_flags |= MALI_MFBD_EXTRA | MALI_MFBD_DEPTH_WRITE; |
| fbx->flags_hi |= MALI_EXTRA_PRESENT; |
| fbx->flags_lo |= MALI_EXTRA_ZS; |
| |
| fbx->ds_linear.depth = base; |
| |
| if (rsrc->layout == MALI_TEXTURE_LINEAR) { |
| fbx->zs_block = MALI_BLOCK_LINEAR; |
| fbx->ds_linear.depth_stride = stride / 16; |
| fbx->ds_linear.depth_layer_stride = layer_stride; |
| } else { |
| if (is_bifrost) { |
| fbx->zs_block = MALI_BLOCK_UNKNOWN; |
| fbx->flags_hi |= 0x440; |
| fbx->flags_lo |= 0x1; |
| } else { |
| fbx->zs_block = MALI_BLOCK_TILED; |
| } |
| |
| fbx->ds_linear.depth_stride = stride; |
| fbx->ds_linear.depth_layer_stride = layer_stride; |
| } |
| |
| if (panfrost_is_z24s8_variant(surf->format)) { |
| fbx->flags_lo |= 0x1; |
| } else if (surf->format == PIPE_FORMAT_Z32_FLOAT) { |
| fbx->flags_lo |= 0xA; |
| fb->mfbd_flags ^= 0x100; |
| fb->mfbd_flags |= 0x200; |
| } else if (surf->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) { |
| fbx->flags_hi |= 0x40; |
| fbx->flags_lo |= 0xA; |
| fb->mfbd_flags ^= 0x100; |
| fb->mfbd_flags |= 0x201; |
| |
| struct panfrost_resource *stencil = rsrc->separate_stencil; |
| struct panfrost_slice stencil_slice = stencil->slices[level]; |
| unsigned stencil_layer_stride = (nr_samples > 1) ? stencil_slice.size0 : 0; |
| |
| fbx->ds_linear.stencil = panfrost_get_texture_address(stencil, level, first_layer, 0); |
| fbx->ds_linear.stencil_stride = stencil_slice.stride; |
| fbx->ds_linear.stencil_layer_stride = stencil_layer_stride; |
| } |
| |
| } else { |
| assert(0); |
| } |
| } |
| |
| /* Helper for sequential uploads used for MFBD */ |
| |
| #define UPLOAD(dest, offset, src, max) { \ |
| size_t sz = sizeof(*src); \ |
| memcpy(dest.cpu + offset, src, sz); \ |
| assert((offset + sz) <= max); \ |
| offset += sz; \ |
| } |
| |
| static mali_ptr |
| panfrost_mfbd_upload(struct panfrost_batch *batch, |
| struct mali_framebuffer *fb, |
| struct mali_framebuffer_extra *fbx, |
| struct mali_render_target *rts, |
| unsigned rt_count) |
| { |
| off_t offset = 0; |
| |
| /* There may be extra data stuck in the middle */ |
| bool has_extra = fb->mfbd_flags & MALI_MFBD_EXTRA; |
| |
| /* Compute total size for transfer */ |
| |
| size_t total_sz = |
| sizeof(struct mali_framebuffer) + |
| (has_extra ? sizeof(struct mali_framebuffer_extra) : 0) + |
| sizeof(struct mali_render_target) * 4; |
| |
| struct panfrost_transfer m_f_trans = |
| panfrost_pool_alloc(&batch->pool, total_sz); |
| |
| /* Do the transfer */ |
| |
| UPLOAD(m_f_trans, offset, fb, total_sz); |
| |
| if (has_extra) |
| UPLOAD(m_f_trans, offset, fbx, total_sz); |
| |
| for (unsigned c = 0; c < 4; ++c) { |
| UPLOAD(m_f_trans, offset, &rts[c], total_sz); |
| } |
| |
| /* Return pointer suitable for the fragment section */ |
| unsigned tag = |
| MALI_MFBD | |
| (has_extra ? MALI_MFBD_TAG_EXTRA : 0) | |
| (MALI_POSITIVE(rt_count) << 2); |
| |
| return m_f_trans.gpu | tag; |
| } |
| |
| #undef UPLOAD |
| |
| /* Determines the # of bytes per pixel we need to reserve for a given format in |
| * the tilebuffer (compared to 128-bit budget, etc). Usually the same as the |
| * bytes per pixel of the format itself, but there are some special cases I |
| * don't understand. */ |
| |
| static unsigned |
| pan_bytes_per_pixel_tib(enum pipe_format format) |
| { |
| const struct util_format_description *desc = |
| util_format_description(format); |
| |
| if (util_format_is_unorm8(desc) || format == PIPE_FORMAT_B5G6R5_UNORM) |
| return 4; |
| |
| return desc->block.bits / 8; |
| } |
| |
| /* Determines whether a framebuffer uses too much tilebuffer space (requiring |
| * us to scale up the tile at a performance penalty). This is conservative but |
| * afaict you get 128-bits per pixel normally */ |
| |
| static unsigned |
| pan_tib_size(struct panfrost_batch *batch) |
| { |
| unsigned size = 0; |
| |
| for (int cb = 0; cb < batch->key.nr_cbufs; ++cb) { |
| struct pipe_surface *surf = batch->key.cbufs[cb]; |
| assert(surf); |
| size += pan_bytes_per_pixel_tib(surf->format); |
| } |
| |
| return size; |
| } |
| |
| static unsigned |
| pan_tib_shift(struct panfrost_batch *batch) |
| { |
| unsigned size = pan_tib_size(batch); |
| |
| if (size > 128) |
| return 4; |
| else if (size > 64) |
| return 5; |
| else if (size > 32) |
| return 6; |
| else if (size > 16) |
| return 7; |
| else |
| return 8; |
| } |
| |
| static struct mali_framebuffer |
| panfrost_emit_mfbd(struct panfrost_batch *batch, unsigned vertex_count) |
| { |
| struct panfrost_context *ctx = batch->ctx; |
| struct pipe_context *gallium = (struct pipe_context *) ctx; |
| struct panfrost_device *dev = pan_device(gallium->screen); |
| |
| unsigned width = batch->key.width; |
| unsigned height = batch->key.height; |
| |
| struct mali_framebuffer mfbd = { |
| .width1 = MALI_POSITIVE(width), |
| .height1 = MALI_POSITIVE(height), |
| .width2 = MALI_POSITIVE(width), |
| .height2 = MALI_POSITIVE(height), |
| |
| /* Configures tib size */ |
| .unk1 = (pan_tib_shift(batch) << 9) | 0x80, |
| |
| .rt_count_1 = MALI_POSITIVE(MAX2(batch->key.nr_cbufs, 1)), |
| .rt_count_2 = 4, |
| }; |
| |
| if (dev->quirks & IS_BIFROST) { |
| mfbd.msaa.sample_locations = panfrost_emit_sample_locations(batch); |
| mfbd.tiler_meta = panfrost_batch_get_tiler_meta(batch, vertex_count); |
| } else { |
| unsigned shift = panfrost_get_stack_shift(batch->stack_size); |
| struct panfrost_bo *bo = panfrost_batch_get_scratchpad(batch, |
| shift, |
| dev->thread_tls_alloc, |
| dev->core_count); |
| mfbd.shared_memory.stack_shift = shift; |
| mfbd.shared_memory.scratchpad = bo->gpu; |
| mfbd.shared_memory.shared_workgroup_count = ~0; |
| |
| mfbd.tiler = panfrost_emit_midg_tiler(batch, vertex_count); |
| } |
| |
| return mfbd; |
| } |
| |
| void |
| panfrost_attach_mfbd(struct panfrost_batch *batch, unsigned vertex_count) |
| { |
| struct mali_framebuffer mfbd = |
| panfrost_emit_mfbd(batch, vertex_count); |
| |
| memcpy(batch->framebuffer.cpu, &mfbd, sizeof(mfbd)); |
| } |
| |
| /* Creates an MFBD for the FRAGMENT section of the bound framebuffer */ |
| |
| mali_ptr |
| panfrost_mfbd_fragment(struct panfrost_batch *batch, bool has_draws) |
| { |
| struct panfrost_device *dev = pan_device(batch->ctx->base.screen); |
| bool is_bifrost = dev->quirks & IS_BIFROST; |
| |
| struct mali_framebuffer fb = panfrost_emit_mfbd(batch, has_draws); |
| struct mali_framebuffer_extra fbx = {0}; |
| struct mali_render_target rts[4] = {0}; |
| |
| /* We always upload at least one dummy GL_NONE render target */ |
| |
| unsigned rt_descriptors = MAX2(batch->key.nr_cbufs, 1); |
| |
| fb.rt_count_1 = MALI_POSITIVE(rt_descriptors); |
| fb.mfbd_flags = 0x100; |
| |
| panfrost_mfbd_clear(batch, &fb, &fbx, rts, rt_descriptors); |
| |
| /* Upload either the render target or a dummy GL_NONE target */ |
| |
| unsigned offset = 0; |
| unsigned tib_shift = pan_tib_shift(batch); |
| |
| for (int cb = 0; cb < rt_descriptors; ++cb) { |
| struct pipe_surface *surf = batch->key.cbufs[cb]; |
| unsigned rt_offset = offset << tib_shift; |
| |
| if (surf && ((batch->clear | batch->draws) & (PIPE_CLEAR_COLOR0 << cb))) { |
| unsigned nr_samples = surf->nr_samples; |
| |
| if (!nr_samples) |
| nr_samples = surf->texture->nr_samples; |
| |
| if (nr_samples > 1) |
| batch->requirements |= PAN_REQ_MSAA; |
| |
| panfrost_mfbd_set_cbuf(&rts[cb], surf); |
| |
| offset += pan_bytes_per_pixel_tib(surf->format); |
| } else { |
| struct mali_rt_format null_rt = { |
| .unk1 = 0x4000000, |
| .no_preload = true |
| }; |
| |
| if (is_bifrost) { |
| null_rt.flags = 0x8; |
| null_rt.unk3 = 0x8; |
| } |
| |
| rts[cb].format = null_rt; |
| rts[cb].framebuffer = 0; |
| rts[cb].framebuffer_stride = 0; |
| } |
| |
| /* TODO: Break out the field */ |
| rts[cb].format.unk1 |= rt_offset; |
| } |
| |
| fb.rt_count_2 = MAX2(DIV_ROUND_UP(offset, 1 << (10 - tib_shift)), 1); |
| |
| if (batch->key.zsbuf && ((batch->clear | batch->draws) & PIPE_CLEAR_DEPTHSTENCIL)) { |
| panfrost_mfbd_set_zsbuf(&fb, &fbx, batch->key.zsbuf); |
| } |
| |
| /* When scanning out, the depth buffer is immediately invalidated, so |
| * we don't need to waste bandwidth writing it out. This can improve |
| * performance substantially (Z24X8_UNORM 1080p @ 60fps is 475 MB/s of |
| * memory bandwidth!). |
| * |
| * The exception is ReadPixels, but this is not supported on GLES so we |
| * can safely ignore it. */ |
| |
| if (panfrost_batch_is_scanout(batch)) |
| batch->requirements &= ~PAN_REQ_DEPTH_WRITE; |
| |
| /* Actualize the requirements */ |
| |
| if (batch->requirements & PAN_REQ_MSAA) { |
| rts[0].format.flags |= MALI_MFBD_FORMAT_MSAA; |
| |
| /* XXX */ |
| fb.unk1 |= (1 << 4) | (1 << 1); |
| fb.rt_count_2 = 4; |
| } |
| |
| if (batch->requirements & PAN_REQ_DEPTH_WRITE) |
| fb.mfbd_flags |= MALI_MFBD_DEPTH_WRITE; |
| |
| /* Checksumming only works with a single render target */ |
| |
| if (batch->key.nr_cbufs == 1) { |
| struct pipe_surface *surf = batch->key.cbufs[0]; |
| struct panfrost_resource *rsrc = pan_resource(surf->texture); |
| |
| if (rsrc->checksummed) { |
| unsigned level = surf->u.tex.level; |
| struct panfrost_slice *slice = &rsrc->slices[level]; |
| |
| fb.mfbd_flags |= MALI_MFBD_EXTRA; |
| fbx.flags_hi |= MALI_EXTRA_PRESENT; |
| fbx.checksum_stride = slice->checksum_stride; |
| if (slice->checksum_bo) |
| fbx.checksum = slice->checksum_bo->gpu; |
| else |
| fbx.checksum = rsrc->bo->gpu + slice->checksum_offset; |
| } |
| } |
| |
| return panfrost_mfbd_upload(batch, &fb, &fbx, rts, rt_descriptors); |
| } |
