C_SOURCES := \
- cayman_msaa.c \
r600_buffer_common.c \
r600_cs.h \
r600_gpu_load.c \
+++ /dev/null
-/*
- * Copyright 2014 Advanced Micro Devices, Inc.
- *
- * 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.
- *
- * Authors: Marek Olšák <maraeo@gmail.com>
- *
- */
-
-#include "r600_cs.h"
-
-/* 2xMSAA
- * There are two locations (4, 4), (-4, -4). */
-static const uint32_t eg_sample_locs_2x[4] = {
- FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
- FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
- FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
- FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
-};
-static const unsigned eg_max_dist_2x = 4;
-/* 4xMSAA
- * There are 4 locations: (-2, -6), (6, -2), (-6, 2), (2, 6). */
-static const uint32_t eg_sample_locs_4x[4] = {
- FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
- FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
- FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
- FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
-};
-static const unsigned eg_max_dist_4x = 6;
-
-/* Cayman 8xMSAA */
-static const uint32_t cm_sample_locs_8x[] = {
- FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
- FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
- FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
- FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
- FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
- FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
- FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
- FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
-};
-static const unsigned cm_max_dist_8x = 8;
-/* Cayman 16xMSAA */
-static const uint32_t cm_sample_locs_16x[] = {
- FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
- FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
- FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
- FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
- FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
- FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
- FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
- FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
- FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
- FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
- FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
- FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
- FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
- FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
- FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
- FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
-};
-static const unsigned cm_max_dist_16x = 8;
-
-void si_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 = (eg_sample_locs_2x[0] >> offset) & 0xf;
- out_value[0] = (float)(val.idx + 8) / 16.0f;
- val.idx = (eg_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 = (eg_sample_locs_4x[0] >> offset) & 0xf;
- out_value[0] = (float)(val.idx + 8) / 16.0f;
- val.idx = (eg_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) * 4;
- val.idx = (cm_sample_locs_8x[index] >> offset) & 0xf;
- out_value[0] = (float)(val.idx + 8) / 16.0f;
- val.idx = (cm_sample_locs_8x[index] >> (offset + 4)) & 0xf;
- out_value[1] = (float)(val.idx + 8) / 16.0f;
- break;
- case 16:
- offset = 4 * (sample_index % 4 * 2);
- index = (sample_index / 4) * 4;
- val.idx = (cm_sample_locs_16x[index] >> offset) & 0xf;
- out_value[0] = (float)(val.idx + 8) / 16.0f;
- val.idx = (cm_sample_locs_16x[index] >> (offset + 4)) & 0xf;
- out_value[1] = (float)(val.idx + 8) / 16.0f;
- break;
- }
-}
-
-void si_init_msaa(struct pipe_context *ctx)
-{
- struct r600_common_context *rctx = (struct r600_common_context*)ctx;
- int i;
-
- si_get_sample_position(ctx, 1, 0, rctx->sample_locations_1x[0]);
-
- for (i = 0; i < 2; i++)
- si_get_sample_position(ctx, 2, i, rctx->sample_locations_2x[i]);
- for (i = 0; i < 4; i++)
- si_get_sample_position(ctx, 4, i, rctx->sample_locations_4x[i]);
- for (i = 0; i < 8; i++)
- si_get_sample_position(ctx, 8, i, rctx->sample_locations_8x[i]);
- for (i = 0; i < 16; i++)
- si_get_sample_position(ctx, 16, i, rctx->sample_locations_16x[i]);
-}
-
-void si_common_emit_msaa_sample_locs(struct radeon_winsys_cs *cs, int nr_samples)
-{
- switch (nr_samples) {
- default:
- case 1:
- radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 0);
- radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, 0);
- radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, 0);
- radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, 0);
- break;
- case 2:
- radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, eg_sample_locs_2x[0]);
- radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, eg_sample_locs_2x[1]);
- radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, eg_sample_locs_2x[2]);
- radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, eg_sample_locs_2x[3]);
- break;
- case 4:
- radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, eg_sample_locs_4x[0]);
- radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, eg_sample_locs_4x[1]);
- radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, eg_sample_locs_4x[2]);
- radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, eg_sample_locs_4x[3]);
- break;
- case 8:
- radeon_set_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 14);
- radeon_emit(cs, cm_sample_locs_8x[0]);
- radeon_emit(cs, cm_sample_locs_8x[4]);
- radeon_emit(cs, 0);
- radeon_emit(cs, 0);
- radeon_emit(cs, cm_sample_locs_8x[1]);
- radeon_emit(cs, cm_sample_locs_8x[5]);
- radeon_emit(cs, 0);
- radeon_emit(cs, 0);
- radeon_emit(cs, cm_sample_locs_8x[2]);
- radeon_emit(cs, cm_sample_locs_8x[6]);
- radeon_emit(cs, 0);
- radeon_emit(cs, 0);
- radeon_emit(cs, cm_sample_locs_8x[3]);
- radeon_emit(cs, cm_sample_locs_8x[7]);
- break;
- case 16:
- radeon_set_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 16);
- radeon_emit(cs, cm_sample_locs_16x[0]);
- radeon_emit(cs, cm_sample_locs_16x[4]);
- radeon_emit(cs, cm_sample_locs_16x[8]);
- radeon_emit(cs, cm_sample_locs_16x[12]);
- radeon_emit(cs, cm_sample_locs_16x[1]);
- radeon_emit(cs, cm_sample_locs_16x[5]);
- radeon_emit(cs, cm_sample_locs_16x[9]);
- radeon_emit(cs, cm_sample_locs_16x[13]);
- radeon_emit(cs, cm_sample_locs_16x[2]);
- radeon_emit(cs, cm_sample_locs_16x[6]);
- radeon_emit(cs, cm_sample_locs_16x[10]);
- radeon_emit(cs, cm_sample_locs_16x[14]);
- radeon_emit(cs, cm_sample_locs_16x[3]);
- radeon_emit(cs, cm_sample_locs_16x[7]);
- radeon_emit(cs, cm_sample_locs_16x[11]);
- radeon_emit(cs, cm_sample_locs_16x[15]);
- break;
- }
-}
-
-void si_common_emit_msaa_config(struct radeon_winsys_cs *cs, int nr_samples,
- int ps_iter_samples, int overrast_samples,
- unsigned sc_mode_cntl_1)
-{
- int setup_samples = nr_samples > 1 ? nr_samples :
- overrast_samples > 1 ? overrast_samples : 0;
- /* Required by OpenGL line rasterization.
- *
- * TODO: We should also enable perpendicular endcaps for AA lines,
- * but that requires implementing line stippling in the pixel
- * shader. SC can only do line stippling with axis-aligned
- * endcaps.
- */
- unsigned sc_line_cntl = S_028BDC_DX10_DIAMOND_TEST_ENA(1);
-
- if (setup_samples > 1) {
- /* indexed by log2(nr_samples) */
- unsigned max_dist[] = {
- 0,
- eg_max_dist_2x,
- eg_max_dist_4x,
- cm_max_dist_8x,
- cm_max_dist_16x
- };
- unsigned log_samples = util_logbase2(setup_samples);
- unsigned log_ps_iter_samples =
- util_logbase2(util_next_power_of_two(ps_iter_samples));
-
- radeon_set_context_reg_seq(cs, CM_R_028BDC_PA_SC_LINE_CNTL, 2);
- radeon_emit(cs, sc_line_cntl |
- S_028BDC_EXPAND_LINE_WIDTH(1)); /* CM_R_028BDC_PA_SC_LINE_CNTL */
- radeon_emit(cs, S_028BE0_MSAA_NUM_SAMPLES(log_samples) |
- S_028BE0_MAX_SAMPLE_DIST(max_dist[log_samples]) |
- S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples)); /* CM_R_028BE0_PA_SC_AA_CONFIG */
-
- if (nr_samples > 1) {
- radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
- S_028804_MAX_ANCHOR_SAMPLES(log_samples) |
- S_028804_PS_ITER_SAMPLES(log_ps_iter_samples) |
- S_028804_MASK_EXPORT_NUM_SAMPLES(log_samples) |
- S_028804_ALPHA_TO_MASK_NUM_SAMPLES(log_samples) |
- S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
- S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
- radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
- EG_S_028A4C_PS_ITER_SAMPLE(ps_iter_samples > 1) |
- sc_mode_cntl_1);
- } else if (overrast_samples > 1) {
- radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
- S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
- S_028804_STATIC_ANCHOR_ASSOCIATIONS(1) |
- S_028804_OVERRASTERIZATION_AMOUNT(log_samples));
- radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
- sc_mode_cntl_1);
- }
- } else {
- radeon_set_context_reg_seq(cs, CM_R_028BDC_PA_SC_LINE_CNTL, 2);
- radeon_emit(cs, sc_line_cntl); /* CM_R_028BDC_PA_SC_LINE_CNTL */
- radeon_emit(cs, 0); /* CM_R_028BE0_PA_SC_AA_CONFIG */
-
- radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
- S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
- S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
- radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
- sc_mode_cntl_1);
- }
-}
si_init_context_texture_functions(rctx);
si_init_query_functions(rctx);
- si_init_msaa(&rctx->b);
if (rctx->chip_class == CIK ||
rctx->chip_class == VI ||
bool render_cond_invert;
bool render_cond_force_off; /* for u_blitter */
- /* 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];
-
/* Statistics gathering for the DCC enablement heuristic. It can't be
* in r600_texture because r600_texture can be shared by multiple
* contexts. This is for back buffers only. We shouldn't get too many
void si_init_screen_texture_functions(struct r600_common_screen *rscreen);
void si_init_context_texture_functions(struct r600_common_context *rctx);
-/* cayman_msaa.c */
-void si_get_sample_position(struct pipe_context *ctx, unsigned sample_count,
- unsigned sample_index, float *out_value);
-void si_init_msaa(struct pipe_context *ctx);
-void si_common_emit_msaa_sample_locs(struct radeon_winsys_cs *cs, int nr_samples);
-void si_common_emit_msaa_config(struct radeon_winsys_cs *cs, int nr_samples,
- int ps_iter_samples, int overrast_samples,
- unsigned sc_mode_cntl_1);
-
/* Inline helpers. */
#define R600_ERR(fmt, args...) \
fprintf(stderr, "EE %s:%d %s - " fmt, __FILE__, __LINE__, __func__, ##args)
-/* For MSAA sample positions. */
-#define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y) \
- (((s0x) & 0xf) | (((unsigned)(s0y) & 0xf) << 4) | \
- (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) | \
- (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) | \
- (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
-
static inline int S_FIXED(float value, unsigned frac_bits)
{
return value * (1 << frac_bits);
si_state.c \
si_state_binning.c \
si_state_draw.c \
+ si_state_msaa.c \
si_state_shaders.c \
si_state_streamout.c \
si_state_viewport.c \
si_init_compute_functions(sctx);
si_init_cp_dma_functions(sctx);
si_init_debug_functions(sctx);
+ si_init_msaa_functions(sctx);
si_init_streamout_functions(sctx);
if (sscreen->b.info.has_hw_decode) {
/* Bindless state */
bool uses_bindless_samplers;
bool uses_bindless_images;
+
+ /* 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];
};
/* cik_sdma.c */
/* Set sample locations as fragment shader constants. */
switch (sctx->framebuffer.nr_samples) {
case 1:
- constbuf.user_buffer = sctx->b.sample_locations_1x;
+ constbuf.user_buffer = sctx->sample_locations_1x;
break;
case 2:
- constbuf.user_buffer = sctx->b.sample_locations_2x;
+ constbuf.user_buffer = sctx->sample_locations_2x;
break;
case 4:
- constbuf.user_buffer = sctx->b.sample_locations_4x;
+ constbuf.user_buffer = sctx->sample_locations_4x;
break;
case 8:
- constbuf.user_buffer = sctx->b.sample_locations_8x;
+ constbuf.user_buffer = sctx->sample_locations_8x;
break;
case 16:
- constbuf.user_buffer = sctx->b.sample_locations_16x;
+ constbuf.user_buffer = sctx->sample_locations_16x;
break;
default:
R600_ERR("Requested an invalid number of samples %i.\n",
if (nr_samples != sctx->msaa_sample_locs.nr_samples) {
sctx->msaa_sample_locs.nr_samples = nr_samples;
- si_common_emit_msaa_sample_locs(cs, nr_samples);
+ si_emit_sample_locations(cs, nr_samples);
}
if (sctx->b.family >= CHIP_POLARIS10) {
S_028A4C_FORCE_EOV_CNTDWN_ENABLE(1) |
S_028A4C_FORCE_EOV_REZ_ENABLE(1);
- si_common_emit_msaa_config(cs, sctx->framebuffer.nr_samples,
- sctx->ps_iter_samples,
- sctx->smoothing_enabled ? SI_NUM_SMOOTH_AA_SAMPLES : 0,
- sc_mode_cntl_1);
+ int setup_samples = sctx->framebuffer.nr_samples > 1 ? sctx->framebuffer.nr_samples :
+ sctx->smoothing_enabled ? SI_NUM_SMOOTH_AA_SAMPLES : 0;
+
+ /* Required by OpenGL line rasterization.
+ *
+ * TODO: We should also enable perpendicular endcaps for AA lines,
+ * but that requires implementing line stippling in the pixel
+ * shader. SC can only do line stippling with axis-aligned
+ * endcaps.
+ */
+ unsigned sc_line_cntl = S_028BDC_DX10_DIAMOND_TEST_ENA(1);
+
+ if (setup_samples > 1) {
+ /* distance from the pixel center, indexed by log2(nr_samples) */
+ static unsigned max_dist[] = {
+ 0, /* unused */
+ 4, /* 2x MSAA */
+ 6, /* 4x MSAA */
+ 7, /* 8x MSAA */
+ 8, /* 16x MSAA */
+ };
+ unsigned log_samples = util_logbase2(setup_samples);
+ unsigned log_ps_iter_samples =
+ util_logbase2(util_next_power_of_two(sctx->ps_iter_samples));
+
+ radeon_set_context_reg_seq(cs, CM_R_028BDC_PA_SC_LINE_CNTL, 2);
+ radeon_emit(cs, sc_line_cntl |
+ S_028BDC_EXPAND_LINE_WIDTH(1)); /* CM_R_028BDC_PA_SC_LINE_CNTL */
+ radeon_emit(cs, S_028BE0_MSAA_NUM_SAMPLES(log_samples) |
+ S_028BE0_MAX_SAMPLE_DIST(max_dist[log_samples]) |
+ S_028BE0_MSAA_EXPOSED_SAMPLES(log_samples)); /* CM_R_028BE0_PA_SC_AA_CONFIG */
+
+ if (sctx->framebuffer.nr_samples > 1) {
+ radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
+ S_028804_MAX_ANCHOR_SAMPLES(log_samples) |
+ S_028804_PS_ITER_SAMPLES(log_ps_iter_samples) |
+ S_028804_MASK_EXPORT_NUM_SAMPLES(log_samples) |
+ S_028804_ALPHA_TO_MASK_NUM_SAMPLES(log_samples) |
+ S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
+ S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
+ radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
+ EG_S_028A4C_PS_ITER_SAMPLE(sctx->ps_iter_samples > 1) |
+ sc_mode_cntl_1);
+ } else if (sctx->smoothing_enabled) {
+ radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
+ S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
+ S_028804_STATIC_ANCHOR_ASSOCIATIONS(1) |
+ S_028804_OVERRASTERIZATION_AMOUNT(log_samples));
+ radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
+ sc_mode_cntl_1);
+ }
+ } else {
+ radeon_set_context_reg_seq(cs, CM_R_028BDC_PA_SC_LINE_CNTL, 2);
+ radeon_emit(cs, sc_line_cntl); /* CM_R_028BDC_PA_SC_LINE_CNTL */
+ radeon_emit(cs, 0); /* CM_R_028BE0_PA_SC_AA_CONFIG */
+
+ radeon_set_context_reg(cs, CM_R_028804_DB_EQAA,
+ S_028804_HIGH_QUALITY_INTERSECTIONS(1) |
+ S_028804_STATIC_ANCHOR_ASSOCIATIONS(1));
+ radeon_set_context_reg(cs, EG_R_028A4C_PA_SC_MODE_CNTL_1,
+ sc_mode_cntl_1);
+ }
/* GFX9: Flush DFSM when the AA mode changes. */
if (sctx->screen->dfsm_allowed) {
sctx->b.b.set_stencil_ref = si_set_stencil_ref;
sctx->b.b.set_framebuffer_state = si_set_framebuffer_state;
- sctx->b.b.get_sample_position = si_get_sample_position;
sctx->b.b.create_sampler_state = si_create_sampler_state;
sctx->b.b.delete_sampler_state = si_delete_sampler_state;
const union blitter_attrib *attrib);
void si_trace_emit(struct si_context *sctx);
+/* si_state_msaa.c */
+void si_init_msaa_functions(struct si_context *sctx);
+void si_emit_sample_locations(struct radeon_winsys_cs *cs, int nr_samples);
+
/* si_state_streamout.c */
void si_streamout_buffers_dirty(struct si_context *sctx);
void si_emit_streamout_end(struct si_context *sctx);
--- /dev/null
+/*
+ * Copyright 2014 Advanced Micro Devices, Inc.
+ *
+ * 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.
+ *
+ * Authors: Marek Olšák <maraeo@gmail.com>
+ *
+ */
+
+#include "si_pipe.h"
+#include "sid.h"
+#include "radeon/r600_cs.h"
+
+/* For MSAA sample positions. */
+#define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y) \
+ (((s0x) & 0xf) | (((unsigned)(s0y) & 0xf) << 4) | \
+ (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) | \
+ (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) | \
+ (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
+
+/* 2xMSAA
+ * There are two locations (4, 4), (-4, -4). */
+static const uint32_t sample_locs_2x[4] = {
+ FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
+ FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
+ FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
+ FILL_SREG(4, 4, -4, -4, 4, 4, -4, -4),
+};
+/* 4xMSAA
+ * There are 4 locations: (-2, -6), (6, -2), (-6, 2), (2, 6). */
+static const uint32_t sample_locs_4x[4] = {
+ FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
+ FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
+ FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
+ FILL_SREG(-2, -6, 6, -2, -6, 2, 2, 6),
+};
+
+/* Cayman 8xMSAA */
+static const uint32_t sample_locs_8x[] = {
+ FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
+ FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
+ FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
+ FILL_SREG( 1, -3, -1, 3, 5, 1, -3, -5),
+ FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
+ FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
+ FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
+ FILL_SREG(-5, 5, -7, -1, 3, 7, 7, -7),
+};
+/* Cayman 16xMSAA */
+static const uint32_t sample_locs_16x[] = {
+ FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
+ FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
+ FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
+ FILL_SREG( 1, 1, -1, -3, -3, 2, 4, -1),
+ FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
+ FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
+ FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
+ FILL_SREG(-5, -2, 2, 5, 5, 3, 3, -5),
+ FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
+ FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
+ FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
+ FILL_SREG(-2, 6, 0, -7, -4, -6, -6, 4),
+ FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
+ FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
+ FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
+ FILL_SREG(-8, 0, 7, -4, 6, 7, -7, -8),
+};
+
+static void si_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) * 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;
+ case 16:
+ offset = 4 * (sample_index % 4 * 2);
+ index = (sample_index / 4) * 4;
+ val.idx = (sample_locs_16x[index] >> offset) & 0xf;
+ out_value[0] = (float)(val.idx + 8) / 16.0f;
+ val.idx = (sample_locs_16x[index] >> (offset + 4)) & 0xf;
+ out_value[1] = (float)(val.idx + 8) / 16.0f;
+ break;
+ }
+}
+
+void si_emit_sample_locations(struct radeon_winsys_cs *cs, int nr_samples)
+{
+ switch (nr_samples) {
+ default:
+ case 1:
+ radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 0);
+ radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, 0);
+ radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, 0);
+ radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, 0);
+ break;
+ case 2:
+ radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_2x[0]);
+ radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_2x[1]);
+ radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_2x[2]);
+ radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_2x[3]);
+ break;
+ case 4:
+ radeon_set_context_reg(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, sample_locs_4x[0]);
+ radeon_set_context_reg(cs, CM_R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0, sample_locs_4x[1]);
+ radeon_set_context_reg(cs, CM_R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0, sample_locs_4x[2]);
+ radeon_set_context_reg(cs, CM_R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs_4x[3]);
+ break;
+ case 8:
+ radeon_set_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 14);
+ radeon_emit(cs, sample_locs_8x[0]);
+ radeon_emit(cs, sample_locs_8x[4]);
+ radeon_emit(cs, 0);
+ radeon_emit(cs, 0);
+ radeon_emit(cs, sample_locs_8x[1]);
+ radeon_emit(cs, sample_locs_8x[5]);
+ radeon_emit(cs, 0);
+ radeon_emit(cs, 0);
+ radeon_emit(cs, sample_locs_8x[2]);
+ radeon_emit(cs, sample_locs_8x[6]);
+ radeon_emit(cs, 0);
+ radeon_emit(cs, 0);
+ radeon_emit(cs, sample_locs_8x[3]);
+ radeon_emit(cs, sample_locs_8x[7]);
+ break;
+ case 16:
+ radeon_set_context_reg_seq(cs, CM_R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0, 16);
+ radeon_emit(cs, sample_locs_16x[0]);
+ radeon_emit(cs, sample_locs_16x[4]);
+ radeon_emit(cs, sample_locs_16x[8]);
+ radeon_emit(cs, sample_locs_16x[12]);
+ radeon_emit(cs, sample_locs_16x[1]);
+ radeon_emit(cs, sample_locs_16x[5]);
+ radeon_emit(cs, sample_locs_16x[9]);
+ radeon_emit(cs, sample_locs_16x[13]);
+ radeon_emit(cs, sample_locs_16x[2]);
+ radeon_emit(cs, sample_locs_16x[6]);
+ radeon_emit(cs, sample_locs_16x[10]);
+ radeon_emit(cs, sample_locs_16x[14]);
+ radeon_emit(cs, sample_locs_16x[3]);
+ radeon_emit(cs, sample_locs_16x[7]);
+ radeon_emit(cs, sample_locs_16x[11]);
+ radeon_emit(cs, sample_locs_16x[15]);
+ break;
+ }
+}
+
+void si_init_msaa_functions(struct si_context *sctx)
+{
+ int i;
+
+ sctx->b.b.get_sample_position = si_get_sample_position;
+
+ si_get_sample_position(&sctx->b.b, 1, 0, sctx->sample_locations_1x[0]);
+
+ for (i = 0; i < 2; i++)
+ si_get_sample_position(&sctx->b.b, 2, i, sctx->sample_locations_2x[i]);
+ for (i = 0; i < 4; i++)
+ si_get_sample_position(&sctx->b.b, 4, i, sctx->sample_locations_4x[i]);
+ for (i = 0; i < 8; i++)
+ si_get_sample_position(&sctx->b.b, 8, i, sctx->sample_locations_8x[i]);
+ for (i = 0; i < 16; i++)
+ si_get_sample_position(&sctx->b.b, 16, i, sctx->sample_locations_16x[i]);
+}