From: Alyssa Rosenzweig Date: Tue, 12 Mar 2019 03:32:17 +0000 (+0000) Subject: panfrost: Break out fragment to SFBD/MFBD files X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9dd84db7a5d7ae74f7fca835ae51fa6a88313d09;p=mesa.git panfrost: Break out fragment to SFBD/MFBD files This substantially cleans up the corresponding logic at the expense of a bit of code duplication; nevertheless, it's a net win since otherwise incompatible hardware code is mixed confusingly. Signed-off-by: Alyssa Rosenzweig --- diff --git a/src/gallium/drivers/panfrost/meson.build b/src/gallium/drivers/panfrost/meson.build index 456782355bb..e3569e73468 100644 --- a/src/gallium/drivers/panfrost/meson.build +++ b/src/gallium/drivers/panfrost/meson.build @@ -42,6 +42,9 @@ files_panfrost = files( 'pan_blend_shaders.c', 'pan_wallpaper.c', 'pan_pretty_print.c', + 'pan_fragment.c', + 'pan_sfbd.c', + 'pan_mfbd.c' ) inc_panfrost = [ diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c index cbf97daf6e5..48e471eace2 100644 --- a/src/gallium/drivers/panfrost/pan_context.c +++ b/src/gallium/drivers/panfrost/pan_context.c @@ -50,30 +50,17 @@ extern const char *pan_counters_base; /* Do not actually send anything to the GPU; merely generate the cmdstream as fast as possible. Disables framebuffer writes */ //#define DRY_RUN -#define SET_BIT(lval, bit, cond) \ - if (cond) \ - lval |= (bit); \ - else \ - lval &= ~(bit); - /* TODO: Sample size, etc */ static void panfrost_set_framebuffer_msaa(struct panfrost_context *ctx, bool enabled) { - SET_BIT(ctx->fragment_shader_core.unknown2_3, MALI_HAS_MSAA, enabled); - SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_NO_MSAA, !enabled); - - if (ctx->require_sfbd) { - SET_BIT(ctx->fragment_sfbd.format, MALI_FRAMEBUFFER_MSAA_A | MALI_FRAMEBUFFER_MSAA_B, enabled); - } else { - SET_BIT(ctx->fragment_rts[0].format.flags, MALI_MFBD_FORMAT_MSAA, enabled); + struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); - SET_BIT(ctx->fragment_mfbd.unk1, (1 << 4) | (1 << 1), enabled); + job->msaa |= enabled; - /* XXX */ - ctx->fragment_mfbd.rt_count_2 = enabled ? 4 : 1; - } + SET_BIT(ctx->fragment_shader_core.unknown2_3, MALI_HAS_MSAA, enabled); + SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_NO_MSAA, !enabled); } /* AFBC is enabled on a per-resource basis (AFBC enabling is theoretically @@ -131,160 +118,6 @@ panfrost_enable_checksum(struct panfrost_context *ctx, struct panfrost_resource rsrc->bo->has_checksum = true; } -static unsigned -panfrost_sfbd_format_for_surface(struct pipe_surface *surf) -{ - /* TODO */ - return 0xb84e0281; /* RGB32, no MSAA */ -} - -static struct mali_rt_format -panfrost_mfbd_format_for_surface(struct pipe_surface *surf) -{ - /* Explode details on the format */ - - const struct util_format_description *desc = - util_format_description(surf->texture->format); - - /* Fill in accordingly */ - - struct mali_rt_format fmt = { - .unk1 = 0x4000000, - .unk2 = 0x1, - .nr_channels = MALI_POSITIVE(desc->nr_channels), - .flags = 0x444, - .swizzle = panfrost_translate_swizzle_4(desc->swizzle), - .unk4 = 0x8 - }; - - return fmt; -} - -static bool panfrost_is_scanout(struct panfrost_context *ctx); - -/* These routines link a fragment job with the bound surface, accounting for the - * BO layout. This routine runs per-frame */ - -static void -panfrost_set_fragment_target_cbuf( - struct panfrost_context *ctx, - struct pipe_surface *surf, - unsigned cb) -{ - struct panfrost_resource *rsrc = pan_resource(surf->texture); - - signed stride = - util_format_get_stride(surf->format, surf->texture->width0); - - /* First, we set the format bits */ - - if (ctx->require_sfbd) { - ctx->fragment_sfbd.format = - panfrost_sfbd_format_for_surface(surf); - } else { - ctx->fragment_rts[cb].format = - panfrost_mfbd_format_for_surface(surf); - } - - /* Now, we set the layout specific pieces */ - - if (rsrc->bo->layout == PAN_LINEAR) { - mali_ptr framebuffer = rsrc->bo->gpu[0]; - - /* The default is upside down from OpenGL's perspective. */ - if (panfrost_is_scanout(ctx)) { - framebuffer += stride * (surf->texture->height0 - 1); - stride = -stride; - } - - if (ctx->require_sfbd) { - ctx->fragment_sfbd.framebuffer = framebuffer; - ctx->fragment_sfbd.stride = stride; - } else { - /* MFBD specifies stride in tiles */ - ctx->fragment_rts[cb].framebuffer = framebuffer; - ctx->fragment_rts[cb].framebuffer_stride = stride / 16; - } - } else if (rsrc->bo->layout == PAN_AFBC) { - /* TODO: AFBC on SFBD */ - assert(!ctx->require_sfbd); - - /* Enable AFBC for the render target */ - ctx->fragment_rts[cb].afbc.metadata = rsrc->bo->afbc_slab.gpu; - ctx->fragment_rts[cb].afbc.stride = 0; - ctx->fragment_rts[cb].afbc.unk = 0x30009; - - ctx->fragment_rts[cb].format.flags |= MALI_MFBD_FORMAT_AFBC; - - mali_ptr afbc_main = rsrc->bo->afbc_slab.gpu + rsrc->bo->afbc_metadata_size; - ctx->fragment_rts[cb].framebuffer = afbc_main; - - /* TODO: Investigate shift */ - ctx->fragment_rts[cb].framebuffer_stride = stride << 1; - } else { - fprintf(stderr, "Invalid render layout (cbuf %d)", cb); - assert(0); - } -} - -static void -panfrost_set_fragment_target(struct panfrost_context *ctx) -{ - for (int cb = 0; cb < ctx->pipe_framebuffer.nr_cbufs; ++cb) { - struct pipe_surface *surf = ctx->pipe_framebuffer.cbufs[cb]; - panfrost_set_fragment_target_cbuf(ctx, surf, cb); - } - - /* Enable depth/stencil AFBC for the framebuffer (not the render target) */ - if (ctx->pipe_framebuffer.zsbuf) { - struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.zsbuf->texture; - - if (rsrc->bo->layout == PAN_AFBC) { - if (ctx->require_sfbd) { - DBG("Depth AFBC not supported on SFBD\n"); - assert(0); - } - - ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA; - - ctx->fragment_extra.flags = - MALI_EXTRA_PRESENT | - MALI_EXTRA_AFBC | - MALI_EXTRA_AFBC_ZS | - MALI_EXTRA_ZS | - 0x1; /* unknown */ - - ctx->fragment_extra.ds_afbc.depth_stencil_afbc_metadata = rsrc->bo->afbc_slab.gpu; - ctx->fragment_extra.ds_afbc.depth_stencil_afbc_stride = 0; - - ctx->fragment_extra.ds_afbc.depth_stencil = rsrc->bo->afbc_slab.gpu + rsrc->bo->afbc_metadata_size; - - ctx->fragment_extra.ds_afbc.zero1 = 0x10009; - ctx->fragment_extra.ds_afbc.padding = 0x1000; - - ctx->fragment_mfbd.unk3 |= MALI_MFBD_DEPTH_WRITE; - } - } - - /* For the special case of a depth-only FBO, we need to attach a dummy render target */ - - if (ctx->pipe_framebuffer.nr_cbufs == 0) { - if (ctx->require_sfbd) { - DBG("Depth-only FBO not supported on SFBD\n"); - assert(0); - } - - struct mali_rt_format null_rt = { - .unk1 = 0x4000000, - .unk4 = 0x8 - }; - - ctx->fragment_rts[0].format = null_rt; - ctx->fragment_rts[0].framebuffer = 0; - ctx->fragment_rts[0].framebuffer_stride = 0; - } -} - /* Framebuffer descriptor */ static void @@ -301,7 +134,7 @@ panfrost_set_framebuffer_resolution(struct mali_single_framebuffer *fb, int w, i fb->resolution_check = ((w + h) / 3) << 4; } -static struct mali_single_framebuffer +struct mali_single_framebuffer panfrost_emit_sfbd(struct panfrost_context *ctx) { struct mali_single_framebuffer framebuffer = { @@ -321,7 +154,7 @@ panfrost_emit_sfbd(struct panfrost_context *ctx) return framebuffer; } -static struct bifrost_framebuffer +struct bifrost_framebuffer panfrost_emit_mfbd(struct panfrost_context *ctx) { struct bifrost_framebuffer framebuffer = { @@ -388,7 +221,7 @@ panfrost_emit_mfbd(struct panfrost_context *ctx) /* Are we currently rendering to the screen (rather than an FBO)? */ -static bool +bool panfrost_is_scanout(struct panfrost_context *ctx) { /* If there is no color buffer, it's an FBO */ @@ -404,31 +237,6 @@ panfrost_is_scanout(struct panfrost_context *ctx) ctx->pipe_framebuffer.cbufs[0]->texture->bind & PIPE_BIND_SHARED; } -/* The above function is for generalised fbd emission, used in both fragment as - * well as vertex/tiler payloads. This payload is specific to fragment - * payloads. */ - -static void -panfrost_new_frag_framebuffer(struct panfrost_context *ctx) -{ - if (ctx->require_sfbd) { - struct mali_single_framebuffer fb = panfrost_emit_sfbd(ctx); - memcpy(&ctx->fragment_sfbd, &fb, sizeof(fb)); - } else { - struct bifrost_framebuffer fb = panfrost_emit_mfbd(ctx); - - /* XXX: MRT case */ - fb.rt_count_2 = 1; - fb.unk3 = 0x100; - - struct bifrost_render_target rt = {}; - - memcpy(&ctx->fragment_rts[0], &rt, sizeof(rt)); - memset(&ctx->fragment_extra, 0, sizeof(ctx->fragment_extra)); - memcpy(&ctx->fragment_mfbd, &fb, sizeof(fb)); - } -} - /* Maps float 0.0-1.0 to int 0x00-0xFF */ static uint8_t normalised_float_to_u8(float f) @@ -436,85 +244,6 @@ normalised_float_to_u8(float f) return (uint8_t) (int) (f * 255.0f); } -static void -panfrost_clear_sfbd(struct panfrost_job *job) -{ - struct panfrost_context *ctx = job->ctx; - struct mali_single_framebuffer *sfbd = &ctx->fragment_sfbd; - - if (job->clear & PIPE_CLEAR_COLOR) { - sfbd->clear_color_1 = job->clear_color; - sfbd->clear_color_2 = job->clear_color; - sfbd->clear_color_3 = job->clear_color; - sfbd->clear_color_4 = job->clear_color; - } - - if (job->clear & PIPE_CLEAR_DEPTH) { - sfbd->clear_depth_1 = job->clear_depth; - sfbd->clear_depth_2 = job->clear_depth; - sfbd->clear_depth_3 = job->clear_depth; - sfbd->clear_depth_4 = job->clear_depth; - - sfbd->depth_buffer = ctx->depth_stencil_buffer.gpu; - sfbd->depth_buffer_enable = MALI_DEPTH_STENCIL_ENABLE; - } - - if (job->clear & PIPE_CLEAR_STENCIL) { - sfbd->clear_stencil = job->clear_stencil; - - sfbd->stencil_buffer = ctx->depth_stencil_buffer.gpu; - sfbd->stencil_buffer_enable = MALI_DEPTH_STENCIL_ENABLE; - } - - /* Set flags based on what has been cleared, for the SFBD case */ - /* XXX: What do these flags mean? */ - int clear_flags = 0x101100; - - if (!(job->clear & ~(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) { - /* On a tiler like this, it's fastest to clear all three buffers at once */ - - clear_flags |= MALI_CLEAR_FAST; - } else { - clear_flags |= MALI_CLEAR_SLOW; - - if (job->clear & PIPE_CLEAR_STENCIL) - clear_flags |= MALI_CLEAR_SLOW_STENCIL; - } - - sfbd->clear_flags = clear_flags; -} - -static void -panfrost_clear_mfbd(struct panfrost_job *job) -{ - struct panfrost_context *ctx = job->ctx; - struct bifrost_render_target *buffer_color = &ctx->fragment_rts[0]; - struct bifrost_framebuffer *buffer_ds = &ctx->fragment_mfbd; - - if (job->clear & PIPE_CLEAR_COLOR) { - buffer_color->clear_color_1 = job->clear_color; - buffer_color->clear_color_2 = job->clear_color; - buffer_color->clear_color_3 = job->clear_color; - buffer_color->clear_color_4 = job->clear_color; - } - - if (job->clear & PIPE_CLEAR_DEPTH) { - buffer_ds->clear_depth = job->clear_depth; - } - - if (job->clear & PIPE_CLEAR_STENCIL) { - buffer_ds->clear_stencil = job->clear_stencil; - } - - if (job->clear & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) { - /* Setup combined 24/8 depth/stencil */ - ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA; - ctx->fragment_extra.flags = 0x405; - ctx->fragment_extra.ds_linear.depth = ctx->depth_stencil_buffer.gpu; - ctx->fragment_extra.ds_linear.depth_stride = ctx->pipe_framebuffer.width * 4; - } -} - static void panfrost_clear( struct pipe_context *pipe, @@ -646,8 +375,6 @@ panfrost_invalidate_frame(struct panfrost_context *ctx) else ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx); - panfrost_new_frag_framebuffer(ctx); - /* Reset varyings allocated */ ctx->varying_height = 0; @@ -971,102 +698,6 @@ panfrost_set_value_job(struct panfrost_context *ctx) ctx->set_value_job = transfer.gpu; } -/* Generate a fragment job. This should be called once per frame. (According to - * presentations, this is supposed to correspond to eglSwapBuffers) */ - -mali_ptr -panfrost_fragment_job(struct panfrost_context *ctx) -{ - struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); - - /* Actualize the clear late; TODO: Fix order dependency between clear - * and afbc */ - - if (ctx->require_sfbd) { - panfrost_clear_sfbd(job); - } else { - panfrost_clear_mfbd(job); - } - - panfrost_set_fragment_target(ctx); - - if (ctx->pipe_framebuffer.nr_cbufs == 1) { - struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[0]->texture; - - if (rsrc->bo->has_checksum) { - if (ctx->require_sfbd) { - DBG("Checksumming not supported on SFBD\n"); - assert(0); - } - - int stride = util_format_get_stride(rsrc->base.format, rsrc->base.width0); - - ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA; - ctx->fragment_extra.flags |= MALI_EXTRA_PRESENT; - ctx->fragment_extra.checksum_stride = rsrc->bo->checksum_stride; - ctx->fragment_extra.checksum = rsrc->bo->gpu[0] + stride * rsrc->base.height0; - } - } - - /* The frame is complete and therefore the framebuffer descriptor is - * ready for linkage and upload */ - - size_t sz = ctx->require_sfbd ? sizeof(struct mali_single_framebuffer) : (sizeof(struct bifrost_framebuffer) + sizeof(struct bifrost_fb_extra) + sizeof(struct bifrost_render_target) * 1); - struct panfrost_transfer fbd_t = panfrost_allocate_transient(ctx, sz); - off_t offset = 0; - - if (ctx->require_sfbd) { - /* Upload just the SFBD all at once */ - memcpy(fbd_t.cpu, &ctx->fragment_sfbd, sizeof(ctx->fragment_sfbd)); - offset += sizeof(ctx->fragment_sfbd); - } else { - /* Upload the MFBD header */ - memcpy(fbd_t.cpu, &ctx->fragment_mfbd, sizeof(ctx->fragment_mfbd)); - offset += sizeof(ctx->fragment_mfbd); - - /* Upload extra framebuffer info if necessary */ - if (ctx->fragment_mfbd.unk3 & MALI_MFBD_EXTRA) { - memcpy(fbd_t.cpu + offset, &ctx->fragment_extra, sizeof(struct bifrost_fb_extra)); - offset += sizeof(struct bifrost_fb_extra); - } - - /* Upload (single) render target */ - memcpy(fbd_t.cpu + offset, &ctx->fragment_rts[0], sizeof(struct bifrost_render_target) * 1); - } - - /* Generate the fragment (frame) job */ - - struct mali_job_descriptor_header header = { - .job_type = JOB_TYPE_FRAGMENT, - .job_index = 1, -#ifdef __LP64__ - .job_descriptor_size = 1 -#endif - }; - - struct mali_payload_fragment payload = { - .min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(0, 0), - .max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height), - .framebuffer = fbd_t.gpu | (ctx->require_sfbd ? MALI_SFBD : MALI_MFBD), - }; - - if (!ctx->require_sfbd && ctx->fragment_mfbd.unk3 & MALI_MFBD_EXTRA) { - /* Signal that there is an extra portion of the framebuffer - * descriptor */ - - payload.framebuffer |= 2; - } - - /* Normally, there should be no padding. However, fragment jobs are - * shared with 64-bit Bifrost systems, and accordingly there is 4-bytes - * of zero padding in between. */ - - struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(header) + sizeof(payload)); - memcpy(transfer.cpu, &header, sizeof(header)); - memcpy(transfer.cpu + sizeof(header), &payload, sizeof(payload)); - return transfer.gpu; -} - /* Emits attributes and varying descriptors, which should be called every draw, * excepting some obscure circumstances */ @@ -2389,7 +2020,6 @@ panfrost_set_framebuffer_state(struct pipe_context *pctx, ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx); panfrost_attach_vt_framebuffer(ctx); - panfrost_new_frag_framebuffer(ctx); panfrost_set_scissor(ctx); struct panfrost_resource *tex = ((struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[i]->texture); @@ -2424,7 +2054,6 @@ panfrost_set_framebuffer_state(struct pipe_context *pctx, ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx); panfrost_attach_vt_framebuffer(ctx); - panfrost_new_frag_framebuffer(ctx); panfrost_set_scissor(ctx); struct panfrost_resource *tex = ((struct panfrost_resource *) ctx->pipe_framebuffer.zsbuf->texture); diff --git a/src/gallium/drivers/panfrost/pan_context.h b/src/gallium/drivers/panfrost/pan_context.h index 091d9988698..a304d83e4fe 100644 --- a/src/gallium/drivers/panfrost/pan_context.h +++ b/src/gallium/drivers/panfrost/pan_context.h @@ -59,6 +59,12 @@ struct prim_convert_context; #define PAN_DIRTY_SAMPLERS (1 << 8) #define PAN_DIRTY_TEXTURES (1 << 9) +#define SET_BIT(lval, bit, cond) \ + if (cond) \ + lval |= (bit); \ + else \ + lval &= ~(bit); + struct panfrost_constant_buffer { bool dirty; size_t size; @@ -361,6 +367,21 @@ panfrost_flush( struct pipe_fence_handle **fence, unsigned flags); +bool +panfrost_is_scanout(struct panfrost_context *ctx); + +mali_ptr +panfrost_sfbd_fragment(struct panfrost_context *ctx); + +mali_ptr +panfrost_mfbd_fragment(struct panfrost_context *ctx); + +struct bifrost_framebuffer +panfrost_emit_mfbd(struct panfrost_context *ctx); + +struct mali_single_framebuffer +panfrost_emit_sfbd(struct panfrost_context *ctx); + mali_ptr panfrost_fragment_job(struct panfrost_context *ctx); diff --git a/src/gallium/drivers/panfrost/pan_fragment.c b/src/gallium/drivers/panfrost/pan_fragment.c new file mode 100644 index 00000000000..16405a4ed21 --- /dev/null +++ b/src/gallium/drivers/panfrost/pan_fragment.c @@ -0,0 +1,63 @@ +/* + * 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_context.h" +#include "pan_util.h" +#include "pan_format.h" + +#include "util/u_format.h" + +/* Generate a fragment job. This should be called once per frame. (According to + * presentations, this is supposed to correspond to eglSwapBuffers) */ + +mali_ptr +panfrost_fragment_job(struct panfrost_context *ctx) +{ + mali_ptr framebuffer = ctx->require_sfbd ? + panfrost_sfbd_fragment(ctx) : + panfrost_mfbd_fragment(ctx); + + struct mali_job_descriptor_header header = { + .job_type = JOB_TYPE_FRAGMENT, + .job_index = 1, +#ifdef __LP64__ + .job_descriptor_size = 1 +#endif + }; + + struct mali_payload_fragment payload = { + .min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(0, 0), + .max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height), + .framebuffer = framebuffer, + }; + + /* Normally, there should be no padding. However, fragment jobs are + * shared with 64-bit Bifrost systems, and accordingly there is 4-bytes + * of zero padding in between. */ + + struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(header) + sizeof(payload)); + memcpy(transfer.cpu, &header, sizeof(header)); + memcpy(transfer.cpu + sizeof(header), &payload, sizeof(payload)); + return transfer.gpu; +} diff --git a/src/gallium/drivers/panfrost/pan_job.h b/src/gallium/drivers/panfrost/pan_job.h index 0eb729a5b69..10503d944ac 100644 --- a/src/gallium/drivers/panfrost/pan_job.h +++ b/src/gallium/drivers/panfrost/pan_job.h @@ -47,6 +47,9 @@ struct panfrost_job { uint32_t clear_color; float clear_depth; unsigned clear_stencil; + + /* Whether this job uses MSAA */ + bool msaa; }; /* Functions for managing the above */ diff --git a/src/gallium/drivers/panfrost/pan_mfbd.c b/src/gallium/drivers/panfrost/pan_mfbd.c new file mode 100644 index 00000000000..dffe13e6713 --- /dev/null +++ b/src/gallium/drivers/panfrost/pan_mfbd.c @@ -0,0 +1,273 @@ +/* + * 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_context.h" +#include "pan_util.h" +#include "pan_format.h" + +#include "util/u_format.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->texture->format); + + /* Fill in accordingly */ + + struct mali_rt_format fmt = { + .unk1 = 0x4000000, + .unk2 = 0x1, + .nr_channels = MALI_POSITIVE(desc->nr_channels), + .flags = 0x444, + .swizzle = panfrost_translate_swizzle_4(desc->swizzle), + .unk4 = 0x8 + }; + + return fmt; +} + +static void +panfrost_mfbd_enable_msaa(struct panfrost_context *ctx) +{ + ctx->fragment_rts[0].format.flags |= MALI_MFBD_FORMAT_MSAA; + + /* XXX */ + ctx->fragment_mfbd.unk1 |= (1 << 4) | (1 << 1); + ctx->fragment_mfbd.rt_count_2 = 4; +} + +static void +panfrost_mfbd_clear(struct panfrost_job *job) +{ + struct panfrost_context *ctx = job->ctx; + struct bifrost_render_target *buffer_color = &ctx->fragment_rts[0]; + struct bifrost_framebuffer *buffer_ds = &ctx->fragment_mfbd; + + if (job->clear & PIPE_CLEAR_COLOR) { + buffer_color->clear_color_1 = job->clear_color; + buffer_color->clear_color_2 = job->clear_color; + buffer_color->clear_color_3 = job->clear_color; + buffer_color->clear_color_4 = job->clear_color; + } + + if (job->clear & PIPE_CLEAR_DEPTH) { + buffer_ds->clear_depth = job->clear_depth; + } + + if (job->clear & PIPE_CLEAR_STENCIL) { + buffer_ds->clear_stencil = job->clear_stencil; + } + + if (job->clear & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) { + /* Setup combined 24/8 depth/stencil */ + ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA; + ctx->fragment_extra.flags = 0x405; + ctx->fragment_extra.ds_linear.depth = ctx->depth_stencil_buffer.gpu; + ctx->fragment_extra.ds_linear.depth_stride = ctx->pipe_framebuffer.width * 4; + } +} + +static void +panfrost_mfbd_set_cbuf( + struct panfrost_context *ctx, + struct pipe_surface *surf, + unsigned cb) +{ + struct panfrost_resource *rsrc = pan_resource(surf->texture); + + signed stride = + util_format_get_stride(surf->format, surf->texture->width0); + + ctx->fragment_rts[cb].format = panfrost_mfbd_format(surf); + + /* Now, we set the layout specific pieces */ + + if (rsrc->bo->layout == PAN_LINEAR) { + mali_ptr framebuffer = rsrc->bo->gpu[0]; + + /* The default is upside down from OpenGL's perspective. */ + if (panfrost_is_scanout(ctx)) { + framebuffer += stride * (surf->texture->height0 - 1); + stride = -stride; + } + + /* MFBD specifies stride in tiles */ + ctx->fragment_rts[cb].framebuffer = framebuffer; + ctx->fragment_rts[cb].framebuffer_stride = stride / 16; + } else if (rsrc->bo->layout == PAN_AFBC) { + ctx->fragment_rts[cb].afbc.metadata = rsrc->bo->afbc_slab.gpu; + ctx->fragment_rts[cb].afbc.stride = 0; + ctx->fragment_rts[cb].afbc.unk = 0x30009; + + ctx->fragment_rts[cb].format.flags |= MALI_MFBD_FORMAT_AFBC; + + mali_ptr afbc_main = rsrc->bo->afbc_slab.gpu + rsrc->bo->afbc_metadata_size; + ctx->fragment_rts[cb].framebuffer = afbc_main; + + /* TODO: Investigate shift */ + ctx->fragment_rts[cb].framebuffer_stride = stride << 1; + } else { + fprintf(stderr, "Invalid render layout (cbuf %d)", cb); + assert(0); + } +} + +static void +panfrost_mfbd_set_targets(struct panfrost_context *ctx) +{ + for (int cb = 0; cb < ctx->pipe_framebuffer.nr_cbufs; ++cb) { + struct pipe_surface *surf = ctx->pipe_framebuffer.cbufs[cb]; + panfrost_mfbd_set_cbuf(ctx, surf, cb); + } + + /* Enable depth/stencil AFBC for the framebuffer (not the render target) */ + if (ctx->pipe_framebuffer.zsbuf) { + struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.zsbuf->texture; + + if (rsrc->bo->layout == PAN_AFBC) { + ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA; + + ctx->fragment_extra.flags = + MALI_EXTRA_PRESENT | + MALI_EXTRA_AFBC | + MALI_EXTRA_AFBC_ZS | + MALI_EXTRA_ZS | + 0x1; /* unknown */ + + ctx->fragment_extra.ds_afbc.depth_stencil_afbc_metadata = rsrc->bo->afbc_slab.gpu; + ctx->fragment_extra.ds_afbc.depth_stencil_afbc_stride = 0; + + ctx->fragment_extra.ds_afbc.depth_stencil = rsrc->bo->afbc_slab.gpu + rsrc->bo->afbc_metadata_size; + + ctx->fragment_extra.ds_afbc.zero1 = 0x10009; + ctx->fragment_extra.ds_afbc.padding = 0x1000; + + ctx->fragment_mfbd.unk3 |= MALI_MFBD_DEPTH_WRITE; + } + } + + /* For the special case of a depth-only FBO, we need to attach a dummy render target */ + + if (ctx->pipe_framebuffer.nr_cbufs == 0) { + struct mali_rt_format null_rt = { + .unk1 = 0x4000000, + .unk4 = 0x8 + }; + + ctx->fragment_rts[0].format = null_rt; + ctx->fragment_rts[0].framebuffer = 0; + ctx->fragment_rts[0].framebuffer_stride = 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_context *ctx) +{ + off_t offset = 0; + + /* We always upload at least one (dummy) cbuf */ + unsigned cbufs = MAX2(ctx->pipe_framebuffer.nr_cbufs, 1); + + /* There may be extra data stuck in the middle */ + bool has_extra = ctx->fragment_mfbd.unk3 & MALI_MFBD_EXTRA; + + /* Compute total size for transfer */ + + size_t total_sz = + sizeof(struct bifrost_framebuffer) + + (has_extra ? sizeof(struct bifrost_fb_extra) : 0) + + sizeof(struct bifrost_render_target) * cbufs; + + struct panfrost_transfer m_f_trans = + panfrost_allocate_transient(ctx, total_sz); + + /* Do the transfer */ + + UPLOAD(m_f_trans, offset, ctx->fragment_mfbd, total_sz); + + if (has_extra) + UPLOAD(m_f_trans, offset, ctx->fragment_extra, total_sz); + + for (unsigned c = 0; c < cbufs; ++c) { + UPLOAD(m_f_trans, offset, ctx->fragment_rts[c], total_sz); + } + + /* Return pointer suitable for the fragment seciton */ + return m_f_trans.gpu | MALI_MFBD | (has_extra ? 2 : 0); +} + +#undef UPLOAD + +/* Creates an MFBD for the FRAGMENT section of the bound framebuffer */ + +mali_ptr +panfrost_mfbd_fragment(struct panfrost_context *ctx) +{ + struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); + + struct bifrost_framebuffer fb = panfrost_emit_mfbd(ctx); + + /* XXX: MRT case */ + fb.rt_count_2 = 1; + fb.unk3 = 0x100; + + struct bifrost_render_target rt = {}; + + memcpy(&ctx->fragment_rts[0], &rt, sizeof(rt)); + memset(&ctx->fragment_extra, 0, sizeof(ctx->fragment_extra)); + memcpy(&ctx->fragment_mfbd, &fb, sizeof(fb)); + + panfrost_mfbd_clear(job); + panfrost_mfbd_set_targets(ctx); + + if (job->msaa) + panfrost_mfbd_enable_msaa(ctx); + + if (ctx->pipe_framebuffer.nr_cbufs == 1) { + struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[0]->texture; + + if (rsrc->bo->has_checksum) { + int stride = util_format_get_stride(rsrc->base.format, rsrc->base.width0); + + ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA; + ctx->fragment_extra.flags |= MALI_EXTRA_PRESENT; + ctx->fragment_extra.checksum_stride = rsrc->bo->checksum_stride; + ctx->fragment_extra.checksum = rsrc->bo->gpu[0] + stride * rsrc->base.height0; + } + } + + return panfrost_mfbd_upload(ctx); +} diff --git a/src/gallium/drivers/panfrost/pan_sfbd.c b/src/gallium/drivers/panfrost/pan_sfbd.c new file mode 100644 index 00000000000..d04da20e258 --- /dev/null +++ b/src/gallium/drivers/panfrost/pan_sfbd.c @@ -0,0 +1,150 @@ +/* + * 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_context.h" +#include "pan_util.h" +#include "pan_format.h" + +#include "util/u_format.h" + +static unsigned +panfrost_sfbd_format(struct pipe_surface *surf) +{ + /* TODO */ + return 0xb84e0281; /* RGB32, no MSAA */ +} + +static void +panfrost_sfbd_enable_msaa(struct panfrost_context *ctx) +{ + ctx->fragment_sfbd.format |= MALI_FRAMEBUFFER_MSAA_A | MALI_FRAMEBUFFER_MSAA_B; +} + +static void +panfrost_sfbd_clear(struct panfrost_job *job) +{ + struct panfrost_context *ctx = job->ctx; + struct mali_single_framebuffer *sfbd = &ctx->fragment_sfbd; + + if (job->clear & PIPE_CLEAR_COLOR) { + sfbd->clear_color_1 = job->clear_color; + sfbd->clear_color_2 = job->clear_color; + sfbd->clear_color_3 = job->clear_color; + sfbd->clear_color_4 = job->clear_color; + } + + if (job->clear & PIPE_CLEAR_DEPTH) { + sfbd->clear_depth_1 = job->clear_depth; + sfbd->clear_depth_2 = job->clear_depth; + sfbd->clear_depth_3 = job->clear_depth; + sfbd->clear_depth_4 = job->clear_depth; + + sfbd->depth_buffer = ctx->depth_stencil_buffer.gpu; + sfbd->depth_buffer_enable = MALI_DEPTH_STENCIL_ENABLE; + } + + if (job->clear & PIPE_CLEAR_STENCIL) { + sfbd->clear_stencil = job->clear_stencil; + + sfbd->stencil_buffer = ctx->depth_stencil_buffer.gpu; + sfbd->stencil_buffer_enable = MALI_DEPTH_STENCIL_ENABLE; + } + + /* Set flags based on what has been cleared, for the SFBD case */ + /* XXX: What do these flags mean? */ + int clear_flags = 0x101100; + + if (!(job->clear & ~(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) { + /* On a tiler like this, it's fastest to clear all three buffers at once */ + + clear_flags |= MALI_CLEAR_FAST; + } else { + clear_flags |= MALI_CLEAR_SLOW; + + if (job->clear & PIPE_CLEAR_STENCIL) + clear_flags |= MALI_CLEAR_SLOW_STENCIL; + } + + sfbd->clear_flags = clear_flags; +} + +static void +panfrost_sfbd_set_cbuf( + struct panfrost_context *ctx, + struct pipe_surface *surf) +{ + struct panfrost_resource *rsrc = pan_resource(surf->texture); + + signed stride = + util_format_get_stride(surf->format, surf->texture->width0); + + ctx->fragment_sfbd.format = panfrost_sfbd_format(surf); + + if (rsrc->bo->layout == PAN_LINEAR) { + mali_ptr framebuffer = rsrc->bo->gpu[0]; + + /* The default is upside down from OpenGL's perspective. */ + if (panfrost_is_scanout(ctx)) { + framebuffer += stride * (surf->texture->height0 - 1); + stride = -stride; + } + + ctx->fragment_sfbd.framebuffer = framebuffer; + ctx->fragment_sfbd.stride = stride; + } else { + fprintf(stderr, "Invalid render layout\n"); + assert(0); + } +} + +static void +panfrost_sfbd_set_targets(struct panfrost_context *ctx) +{ + assert(ctx->pipe_framebuffer.nr_cbufs == 1); + panfrost_sfbd_set_cbuf(ctx, ctx->pipe_framebuffer.cbufs[0]); + + if (ctx->pipe_framebuffer.zsbuf) { + /* TODO */ + } +} + +/* Creates an SFBD for the FRAGMENT section of the bound framebuffer */ + +mali_ptr +panfrost_sfbd_fragment(struct panfrost_context *ctx) +{ + struct panfrost_job *job = panfrost_get_job_for_fbo(ctx); + + struct mali_single_framebuffer fb = panfrost_emit_sfbd(ctx); + memcpy(&ctx->fragment_sfbd, &fb, sizeof(fb)); + + panfrost_sfbd_clear(job); + panfrost_sfbd_set_targets(ctx); + + if (job->msaa) + panfrost_sfbd_enable_msaa(ctx); + + return MALI_SFBD | + panfrost_upload_transient(ctx, &ctx->fragment_sfbd, sizeof(fb)); +}