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author | Marek Olšák <marek.olsak@amd.com> | 2014-05-06 18:20:58 +0200 |
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committer | Marek Olšák <marek.olsak@amd.com> | 2014-06-02 12:58:22 +0200 |
commit | 99d9d7c0d69c076d84334892ee12f921fe243319 (patch) | |
tree | 4fec2ba3be5f6470af9dbe3fb2099de66ee6eaab /src/gallium/drivers/radeon | |
parent | 5b06fc376df8ac4e63603d1768cd0dccc9e4b491 (diff) | |
download | external_mesa3d-99d9d7c0d69c076d84334892ee12f921fe243319.zip external_mesa3d-99d9d7c0d69c076d84334892ee12f921fe243319.tar.gz external_mesa3d-99d9d7c0d69c076d84334892ee12f921fe243319.tar.bz2 |
radeonsi: implement SAMPLEPOS fragment shader input
The sample positions are read from a constant buffer.
Diffstat (limited to 'src/gallium/drivers/radeon')
-rw-r--r-- | src/gallium/drivers/radeon/cayman_msaa.c | 17 | ||||
-rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.c | 1 | ||||
-rw-r--r-- | src/gallium/drivers/radeon/r600_pipe_common.h | 10 |
3 files changed, 28 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/cayman_msaa.c b/src/gallium/drivers/radeon/cayman_msaa.c index 8727f3e..47fc5c4 100644 --- a/src/gallium/drivers/radeon/cayman_msaa.c +++ b/src/gallium/drivers/radeon/cayman_msaa.c @@ -123,6 +123,23 @@ void cayman_get_sample_position(struct pipe_context *ctx, unsigned sample_count, } } +void cayman_init_msaa(struct pipe_context *ctx) +{ + struct r600_common_context *rctx = (struct r600_common_context*)ctx; + int i; + + cayman_get_sample_position(ctx, 1, 0, rctx->sample_locations_1x[0]); + + for (i = 0; i < 2; i++) + cayman_get_sample_position(ctx, 2, i, rctx->sample_locations_2x[i]); + for (i = 0; i < 4; i++) + cayman_get_sample_position(ctx, 4, i, rctx->sample_locations_4x[i]); + for (i = 0; i < 8; i++) + cayman_get_sample_position(ctx, 8, i, rctx->sample_locations_8x[i]); + for (i = 0; i < 16; i++) + cayman_get_sample_position(ctx, 16, i, rctx->sample_locations_16x[i]); +} + void cayman_emit_msaa_sample_locs(struct radeon_winsys_cs *cs, int nr_samples) { switch (nr_samples) { diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c index 70c4d1a..4c6cf0e 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.c +++ b/src/gallium/drivers/radeon/r600_pipe_common.c @@ -154,6 +154,7 @@ bool r600_common_context_init(struct r600_common_context *rctx, r600_init_context_texture_functions(rctx); r600_streamout_init(rctx); r600_query_init(rctx); + cayman_init_msaa(&rctx->b); rctx->allocator_so_filled_size = u_suballocator_create(&rctx->b, 4096, 4, 0, PIPE_USAGE_DEFAULT, TRUE); diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h index b7e4e65..d82adf5 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.h +++ b/src/gallium/drivers/radeon/r600_pipe_common.h @@ -357,6 +357,15 @@ struct r600_common_context { boolean saved_render_cond_cond; unsigned saved_render_cond_mode; + /* MSAA sample locations. + * The first index is the sample index. + * The second index is the coordinate: X, Y. */ + float sample_locations_1x[1][2]; + float sample_locations_2x[2][2]; + float sample_locations_4x[4][2]; + float sample_locations_8x[8][2]; + float sample_locations_16x[16][2]; + /* Copy one resource to another using async DMA. */ void (*dma_copy)(struct pipe_context *ctx, struct pipe_resource *dst, @@ -472,6 +481,7 @@ extern const uint32_t eg_sample_locs_4x[4]; extern const unsigned eg_max_dist_4x; void cayman_get_sample_position(struct pipe_context *ctx, unsigned sample_count, unsigned sample_index, float *out_value); +void cayman_init_msaa(struct pipe_context *ctx); void cayman_emit_msaa_sample_locs(struct radeon_winsys_cs *cs, int nr_samples); void cayman_emit_msaa_config(struct radeon_winsys_cs *cs, int nr_samples, int ps_iter_samples); |