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r600g: add get_sample_position support (v3)
v2: I rewrote this to use the sample positions properly. v3: rewrite properly to use bitfield to cast back to signed ints Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
parent
f152da6bf9
commit
f024c72476
2 changed files with 240 additions and 122 deletions
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@ -1870,38 +1870,78 @@ static void evergreen_set_framebuffer_state(struct pipe_context *ctx,
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(((s2x) & 0xf) << 16) | (((s2y) & 0xf) << 20) | \
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(((s3x) & 0xf) << 24) | (((s3y) & 0xf) << 28))
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/* 2xMSAA
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* There are two locations (-4, 4), (4, -4). */
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static uint32_t sample_locs_2x[] = {
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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};
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static unsigned max_dist_2x = 4;
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/* 4xMSAA
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* There are 4 locations: (-2, -2), (2, 2), (-6, 6), (6, -6). */
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static uint32_t sample_locs_4x[] = {
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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};
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static unsigned max_dist_4x = 6;
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/* 8xMSAA */
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static uint32_t sample_locs_8x[] = {
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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};
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static unsigned max_dist_8x = 7;
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static void evergreen_get_sample_position(struct pipe_context *ctx,
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unsigned sample_count,
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unsigned sample_index,
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float *out_value)
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{
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int offset, index;
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struct {
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int idx:4;
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} val;
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switch (sample_count) {
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case 1:
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default:
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out_value[0] = out_value[1] = 0.5;
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break;
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case 2:
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offset = 4 * (sample_index * 2);
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val.idx = (sample_locs_2x[0] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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case 4:
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offset = 4 * (sample_index * 2);
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val.idx = (sample_locs_4x[0] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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case 8:
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offset = 4 * (sample_index % 4 * 2);
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index = (sample_index / 4);
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val.idx = (sample_locs_8x[index] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (sample_locs_8x[index] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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}
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}
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static void evergreen_emit_msaa_state(struct r600_context *rctx, int nr_samples)
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{
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/* 2xMSAA
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* There are two locations (-4, 4), (4, -4). */
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static uint32_t sample_locs_2x[] = {
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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};
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static unsigned max_dist_2x = 4;
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/* 4xMSAA
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* There are 4 locations: (-2, -2), (2, 2), (-6, 6), (6, -6). */
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static uint32_t sample_locs_4x[] = {
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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};
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static unsigned max_dist_4x = 6;
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/* 8xMSAA */
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static uint32_t sample_locs_8x[] = {
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
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FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
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};
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static unsigned max_dist_8x = 7;
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struct radeon_winsys_cs *cs = rctx->rings.gfx.cs;
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unsigned max_dist = 0;
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@ -1940,58 +1980,88 @@ static void evergreen_emit_msaa_state(struct r600_context *rctx, int nr_samples)
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}
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}
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/* Cayman 8xMSAA */
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static uint32_t cm_sample_locs_8x[] = {
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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};
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static unsigned cm_max_dist_8x = 8;
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/* Cayman 16xMSAA */
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static uint32_t cm_sample_locs_16x[] = {
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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};
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static unsigned cm_max_dist_16x = 8;
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static void cayman_get_sample_position(struct pipe_context *ctx,
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unsigned sample_count,
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unsigned sample_index,
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float *out_value)
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{
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int offset, index;
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struct {
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int idx:4;
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} val;
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switch (sample_count) {
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case 1:
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default:
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out_value[0] = out_value[1] = 0.5;
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break;
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case 2:
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offset = 4 * (sample_index * 2);
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val.idx = (sample_locs_2x[0] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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case 4:
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offset = 4 * (sample_index * 2);
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val.idx = (sample_locs_4x[0] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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case 8:
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offset = 4 * (sample_index % 4 * 2);
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index = (sample_index / 4) * 4;
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val.idx = (cm_sample_locs_8x[index] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (cm_sample_locs_8x[index] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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case 16:
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offset = 4 * (sample_index % 4 * 2);
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index = (sample_index / 4) * 4;
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val.idx = (cm_sample_locs_16x[index] >> offset) & 0xf;
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out_value[0] = (float)(val.idx + 8) / 16.0f;
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val.idx = (cm_sample_locs_16x[index] >> (offset + 4)) & 0xf;
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out_value[1] = (float)(val.idx + 8) / 16.0f;
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break;
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}
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}
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static void cayman_emit_msaa_state(struct r600_context *rctx, int nr_samples)
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{
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/* 2xMSAA
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* There are two locations (-4, 4), (4, -4). */
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static uint32_t sample_locs_2x[] = {
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
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};
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static unsigned max_dist_2x = 4;
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/* 4xMSAA
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* There are 4 locations: (-2, -2), (2, 2), (-6, 6), (6, -6). */
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static uint32_t sample_locs_4x[] = {
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
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};
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static unsigned max_dist_4x = 6;
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/* 8xMSAA */
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static uint32_t sample_locs_8x[] = {
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG(-2, -5, 3, -4, -1, 5, -6, -2),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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FILL_SREG( 6, 0, 0, 0, -5, 3, 4, 4),
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};
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static unsigned max_dist_8x = 8;
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/* 16xMSAA */
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static uint32_t sample_locs_16x[] = {
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-7, -3, 7, 3, 1, -5, -5, 5),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-3, -7, 3, 7, 5, -1, -1, 1),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-8, -6, 4, 2, 2, -8, -2, 6),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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FILL_SREG(-4, -2, 0, 4, 6, -4, -6, 0),
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};
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static unsigned max_dist_16x = 8;
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struct radeon_winsys_cs *cs = rctx->rings.gfx.cs;
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unsigned max_dist = 0;
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@ -2016,41 +2086,41 @@ static void cayman_emit_msaa_state(struct r600_context *rctx, int nr_samples)
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break;
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case 8:
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r600_write_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 14);
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r600_write_value(cs, sample_locs_8x[0]);
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r600_write_value(cs, sample_locs_8x[4]);
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r600_write_value(cs, cm_sample_locs_8x[0]);
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r600_write_value(cs, cm_sample_locs_8x[4]);
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r600_write_value(cs, 0);
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r600_write_value(cs, 0);
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r600_write_value(cs, sample_locs_8x[1]);
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r600_write_value(cs, sample_locs_8x[5]);
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r600_write_value(cs, cm_sample_locs_8x[1]);
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r600_write_value(cs, cm_sample_locs_8x[5]);
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r600_write_value(cs, 0);
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r600_write_value(cs, 0);
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r600_write_value(cs, sample_locs_8x[2]);
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r600_write_value(cs, sample_locs_8x[6]);
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r600_write_value(cs, cm_sample_locs_8x[2]);
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r600_write_value(cs, cm_sample_locs_8x[6]);
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r600_write_value(cs, 0);
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r600_write_value(cs, 0);
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r600_write_value(cs, sample_locs_8x[3]);
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r600_write_value(cs, sample_locs_8x[7]);
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max_dist = max_dist_8x;
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r600_write_value(cs, cm_sample_locs_8x[3]);
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r600_write_value(cs, cm_sample_locs_8x[7]);
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max_dist = cm_max_dist_8x;
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break;
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case 16:
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r600_write_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 16);
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r600_write_value(cs, sample_locs_16x[0]);
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r600_write_value(cs, sample_locs_16x[4]);
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r600_write_value(cs, sample_locs_16x[8]);
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r600_write_value(cs, sample_locs_16x[12]);
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r600_write_value(cs, sample_locs_16x[1]);
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r600_write_value(cs, sample_locs_16x[5]);
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r600_write_value(cs, sample_locs_16x[9]);
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r600_write_value(cs, sample_locs_16x[13]);
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r600_write_value(cs, sample_locs_16x[2]);
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r600_write_value(cs, sample_locs_16x[6]);
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r600_write_value(cs, sample_locs_16x[10]);
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r600_write_value(cs, sample_locs_16x[14]);
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r600_write_value(cs, sample_locs_16x[3]);
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r600_write_value(cs, sample_locs_16x[7]);
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r600_write_value(cs, sample_locs_16x[11]);
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r600_write_value(cs, sample_locs_16x[15]);
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max_dist = max_dist_16x;
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r600_write_value(cs, cm_sample_locs_16x[0]);
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r600_write_value(cs, cm_sample_locs_16x[4]);
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r600_write_value(cs, cm_sample_locs_16x[8]);
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r600_write_value(cs, cm_sample_locs_16x[12]);
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r600_write_value(cs, cm_sample_locs_16x[1]);
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r600_write_value(cs, cm_sample_locs_16x[5]);
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r600_write_value(cs, cm_sample_locs_16x[9]);
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r600_write_value(cs, cm_sample_locs_16x[13]);
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r600_write_value(cs, cm_sample_locs_16x[2]);
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r600_write_value(cs, cm_sample_locs_16x[6]);
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r600_write_value(cs, cm_sample_locs_16x[10]);
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r600_write_value(cs, cm_sample_locs_16x[14]);
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r600_write_value(cs, cm_sample_locs_16x[3]);
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r600_write_value(cs, cm_sample_locs_16x[7]);
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r600_write_value(cs, cm_sample_locs_16x[11]);
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r600_write_value(cs, cm_sample_locs_16x[15]);
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max_dist = cm_max_dist_16x;
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break;
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}
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@ -3781,5 +3851,10 @@ void evergreen_init_state_functions(struct r600_context *rctx)
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rctx->context.set_framebuffer_state = evergreen_set_framebuffer_state;
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||||
rctx->context.set_polygon_stipple = evergreen_set_polygon_stipple;
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||||
rctx->context.set_scissor_state = evergreen_set_scissor_state;
|
||||
|
||||
if (rctx->chip_class == EVERGREEN)
|
||||
rctx->context.get_sample_position = evergreen_get_sample_position;
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||||
else
|
||||
rctx->context.get_sample_position = cayman_get_sample_position;
|
||||
evergreen_init_compute_state_functions(rctx);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1686,24 +1686,65 @@ static void r600_set_framebuffer_state(struct pipe_context *ctx,
|
|||
(((s2x) & 0xf) << 16) | (((s2y) & 0xf) << 20) | \
|
||||
(((s3x) & 0xf) << 24) | (((s3y) & 0xf) << 28))
|
||||
|
||||
|
||||
static uint32_t sample_locs_2x[] = {
|
||||
FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
|
||||
FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
|
||||
};
|
||||
static unsigned max_dist_2x = 4;
|
||||
|
||||
static uint32_t sample_locs_4x[] = {
|
||||
FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
|
||||
FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
|
||||
};
|
||||
static unsigned max_dist_4x = 6;
|
||||
static uint32_t sample_locs_8x[] = {
|
||||
FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
|
||||
FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
|
||||
};
|
||||
static unsigned max_dist_8x = 7;
|
||||
|
||||
static void r600_get_sample_position(struct pipe_context *ctx,
|
||||
unsigned sample_count,
|
||||
unsigned sample_index,
|
||||
float *out_value)
|
||||
{
|
||||
int offset, index;
|
||||
struct {
|
||||
int idx:4;
|
||||
} val;
|
||||
switch (sample_count) {
|
||||
case 1:
|
||||
default:
|
||||
out_value[0] = out_value[1] = 0.5;
|
||||
break;
|
||||
case 2:
|
||||
offset = 4 * (sample_index * 2);
|
||||
val.idx = (sample_locs_2x[0] >> offset) & 0xf;
|
||||
out_value[0] = (float)(val.idx + 8) / 16.0f;
|
||||
val.idx = (sample_locs_2x[0] >> (offset + 4)) & 0xf;
|
||||
out_value[1] = (float)(val.idx + 8) / 16.0f;
|
||||
break;
|
||||
case 4:
|
||||
offset = 4 * (sample_index * 2);
|
||||
val.idx = (sample_locs_4x[0] >> offset) & 0xf;
|
||||
out_value[0] = (float)(val.idx + 8) / 16.0f;
|
||||
val.idx = (sample_locs_4x[0] >> (offset + 4)) & 0xf;
|
||||
out_value[1] = (float)(val.idx + 8) / 16.0f;
|
||||
break;
|
||||
case 8:
|
||||
offset = 4 * (sample_index % 4 * 2);
|
||||
index = (sample_index / 4);
|
||||
val.idx = (sample_locs_8x[index] >> offset) & 0xf;
|
||||
out_value[0] = (float)(val.idx + 8) / 16.0f;
|
||||
val.idx = (sample_locs_8x[index] >> (offset + 4)) & 0xf;
|
||||
out_value[1] = (float)(val.idx + 8) / 16.0f;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void r600_emit_msaa_state(struct r600_context *rctx, int nr_samples)
|
||||
{
|
||||
static uint32_t sample_locs_2x[] = {
|
||||
FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
|
||||
FILL_SREG(-4, 4, 4, -4, -4, 4, 4, -4),
|
||||
};
|
||||
static unsigned max_dist_2x = 4;
|
||||
static uint32_t sample_locs_4x[] = {
|
||||
FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
|
||||
FILL_SREG(-2, -2, 2, 2, -6, 6, 6, -6),
|
||||
};
|
||||
static unsigned max_dist_4x = 6;
|
||||
static uint32_t sample_locs_8x[] = {
|
||||
FILL_SREG(-1, 1, 1, 5, 3, -5, 5, 3),
|
||||
FILL_SREG(-7, -1, -3, -7, 7, -3, -5, 7),
|
||||
};
|
||||
static unsigned max_dist_8x = 7;
|
||||
|
||||
struct radeon_winsys_cs *cs = rctx->rings.gfx.cs;
|
||||
unsigned max_dist = 0;
|
||||
|
||||
|
|
@ -3211,5 +3252,7 @@ void r600_init_state_functions(struct r600_context *rctx)
|
|||
rctx->context.set_framebuffer_state = r600_set_framebuffer_state;
|
||||
rctx->context.set_polygon_stipple = r600_set_polygon_stipple;
|
||||
rctx->context.set_scissor_state = r600_set_scissor_state;
|
||||
|
||||
rctx->context.get_sample_position = r600_get_sample_position;
|
||||
}
|
||||
/* this function must be last */
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue