From a69ac4e89c1c3edc33eb4e9361229a3f25de3ee6 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Sun, 9 Aug 2015 14:16:30 -0700 Subject: [PATCH] vc4: Add debug dumping of MSAA surfaces. --- src/gallium/drivers/vc4/kernel/vc4_packet.h | 2 + src/gallium/drivers/vc4/vc4_resource.c | 149 +++++++++++++++++++- 2 files changed, 145 insertions(+), 6 deletions(-) diff --git a/src/gallium/drivers/vc4/kernel/vc4_packet.h b/src/gallium/drivers/vc4/kernel/vc4_packet.h index 9c12d331f61..8e4fd364ece 100644 --- a/src/gallium/drivers/vc4/kernel/vc4_packet.h +++ b/src/gallium/drivers/vc4/kernel/vc4_packet.h @@ -123,6 +123,8 @@ enum vc4_packet { /* Number of multisamples supported. */ #define VC4_MAX_SAMPLES 4 +/* Size of a full resolution color or Z tile buffer load/store. */ +#define VC4_TILE_BUFFER_SIZE (64 * 64 * 4) #define VC4_MASK(high, low) (((1 << ((high) - (low) + 1)) - 1) << (low)) /* Using the GNU statement expression extension */ diff --git a/src/gallium/drivers/vc4/vc4_resource.c b/src/gallium/drivers/vc4/vc4_resource.c index 43d9ca81bf0..90f8f31f08f 100644 --- a/src/gallium/drivers/vc4/vc4_resource.c +++ b/src/gallium/drivers/vc4/vc4_resource.c @@ -507,13 +507,9 @@ vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf) FREE(psurf); } -/** Debug routine to dump the contents of an 8888 surface to the console */ -void -vc4_dump_surface(struct pipe_surface *psurf) +static void +vc4_dump_surface_non_msaa(struct pipe_surface *psurf) { - if (!psurf) - return; - struct pipe_resource *prsc = psurf->texture; struct vc4_resource *rsc = vc4_resource(prsc); uint32_t *map = vc4_bo_map(rsc->bo); @@ -607,6 +603,147 @@ vc4_dump_surface(struct pipe_surface *psurf) } } +static uint32_t +vc4_surface_msaa_get_sample(struct pipe_surface *psurf, + uint32_t x, uint32_t y, uint32_t sample) +{ + struct pipe_resource *prsc = psurf->texture; + struct vc4_resource *rsc = vc4_resource(prsc); + uint32_t tile_w = 32, tile_h = 32; + uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32); + + uint32_t tile_x = x / tile_w; + uint32_t tile_y = y / tile_h; + uint32_t *tile = (vc4_bo_map(rsc->bo) + + VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x)); + uint32_t subtile_x = x % tile_w; + uint32_t subtile_y = y % tile_h; + + uint32_t quad_samples = VC4_MAX_SAMPLES * 4; + uint32_t tile_stride = quad_samples * tile_w / 2; + + return *((uint32_t *)tile + + (subtile_y >> 1) * tile_stride + + (subtile_x >> 1) * quad_samples + + ((subtile_y & 1) << 1) + + (subtile_x & 1) + + sample); +} + +static void +vc4_dump_surface_msaa_char(struct pipe_surface *psurf, + uint32_t start_x, uint32_t start_y, + uint32_t w, uint32_t h) +{ + bool all_same_color = true; + uint32_t all_pix = 0; + + for (int y = start_y; y < start_y + h; y++) { + for (int x = start_x; x < start_x + w; x++) { + for (int s = 0; s < VC4_MAX_SAMPLES; s++) { + uint32_t pix = vc4_surface_msaa_get_sample(psurf, + x, y, + s); + if (x == start_x && y == start_y) + all_pix = pix; + else if (all_pix != pix) + all_same_color = false; + } + } + } + if (all_same_color) { + static const struct { + uint32_t val; + const char *c; + } named_colors[] = { + { 0xff000000, "█" }, + { 0x00000000, "█" }, + { 0xffff0000, "r" }, + { 0xff00ff00, "g" }, + { 0xff0000ff, "b" }, + { 0xffffffff, "w" }, + }; + int i; + for (i = 0; i < ARRAY_SIZE(named_colors); i++) { + if (named_colors[i].val == all_pix) { + fprintf(stderr, "%s", + named_colors[i].c); + return; + } + } + fprintf(stderr, "x"); + } else { + fprintf(stderr, "."); + } +} + +static void +vc4_dump_surface_msaa(struct pipe_surface *psurf) +{ + uint32_t tile_w = 32, tile_h = 32; + uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w); + uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h); + uint32_t char_w = 140, char_h = 60; + uint32_t char_w_per_tile = char_w / tiles_w - 1; + uint32_t char_h_per_tile = char_h / tiles_h - 1; + uint32_t found_colors[10]; + uint32_t num_found_colors = 0; + + fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n", + psurf->width, psurf->height, psurf->texture->nr_samples); + + for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++) + fprintf(stderr, "-"); + fprintf(stderr, "\n"); + + for (int ty = 0; ty < psurf->height; ty += tile_h) { + for (int y = 0; y < char_h_per_tile; y++) { + + for (int tx = 0; tx < psurf->width; tx += tile_w) { + for (int x = 0; x < char_w_per_tile; x++) { + uint32_t bx1 = (x * tile_w / + char_w_per_tile); + uint32_t bx2 = ((x + 1) * tile_w / + char_w_per_tile); + uint32_t by1 = (y * tile_h / + char_h_per_tile); + uint32_t by2 = ((y + 1) * tile_h / + char_h_per_tile); + + vc4_dump_surface_msaa_char(psurf, + tx + bx1, + ty + by1, + bx2 - bx1, + by2 - by1); + } + fprintf(stderr, "|"); + } + fprintf(stderr, "\n"); + } + + for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++) + fprintf(stderr, "-"); + fprintf(stderr, "\n"); + } + + for (int i = 0; i < num_found_colors; i++) { + fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]); + } +} + +/** Debug routine to dump the contents of an 8888 surface to the console */ +void +vc4_dump_surface(struct pipe_surface *psurf) +{ + if (!psurf) + return; + + if (psurf->texture->nr_samples) + vc4_dump_surface_msaa(psurf); + else + vc4_dump_surface_non_msaa(psurf); +} + static void vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource) { -- 2.30.2