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freedreno/a6xx: enable tiled images

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Turns out we can write to tiled images as well as read.  This avoids
having to linearize or do the tiling in the shader.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2019-02-21 08:26:18 -05:00
parent 0629b2a462
commit 908d5ee9eb
2 changed files with 8 additions and 5 deletions
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6
src/freedreno/registers/a6xx.xml.h
View file

@ -5406,6 +5406,12 @@ static inline uint32_t A6XX_TEX_CONST_10_FLAG_BUFFER_ARRAY_PITCH(uint32_t val)
#define REG_A6XX_TEX_CONST_15 0x0000000f
#define REG_A6XX_IBO_0 0x00000000
#define A6XX_IBO_0_TILE_MODE__MASK 0x00000003
#define A6XX_IBO_0_TILE_MODE__SHIFT 0
static inline uint32_t A6XX_IBO_0_TILE_MODE(enum a6xx_tile_mode val)
{
return ((val) << A6XX_IBO_0_TILE_MODE__SHIFT) & A6XX_IBO_0_TILE_MODE__MASK;
}
#define A6XX_IBO_0_FMT__MASK 0x3fc00000
#define A6XX_IBO_0_FMT__SHIFT 22
static inline uint32_t A6XX_IBO_0_FMT(enum a6xx_tex_fmt val)

7
src/gallium/drivers/freedreno/a6xx/fd6_image.c
View file

@ -157,8 +157,6 @@ static void translate_buf(struct fd6_image *img, const struct pipe_shader_buffer
static void emit_image_tex(struct fd_ringbuffer *ring, struct fd6_image *img)
{
debug_assert(fd_resource(img->prsc)->tile_mode == 0);
OUT_RING(ring, A6XX_TEX_CONST_0_FMT(img->fmt) |
A6XX_TEX_CONST_0_TILE_MODE(fd_resource(img->prsc)->tile_mode) |
fd6_tex_swiz(img->prsc, img->pfmt, PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y,
@ -208,9 +206,8 @@ fd6_emit_ssbo_tex(struct fd_ringbuffer *ring, const struct pipe_shader_buffer *p
static void emit_image_ssbo(struct fd_ringbuffer *ring, struct fd6_image *img)
{
debug_assert(fd_resource(img->prsc)->tile_mode == 0);
OUT_RING(ring, A6XX_IBO_0_FMT(img->fmt));
OUT_RING(ring, A6XX_IBO_0_FMT(img->fmt) |
A6XX_IBO_0_TILE_MODE(fd_resource(img->prsc)->tile_mode));
OUT_RING(ring, A6XX_IBO_1_WIDTH(img->width) |
A6XX_IBO_1_HEIGHT(img->height));
OUT_RING(ring, A6XX_IBO_2_PITCH(img->pitch) |