cb_target_mask = 0;
radeon_set_context_reg(cs, R_028238_CB_TARGET_MASK, cb_target_mask);
+
+ /* STONEY-specific register settings. */
+ if (sctx->b.family == CHIP_STONEY) {
+ unsigned spi_shader_col_format =
+ sctx->ps_shader.cso ?
+ sctx->ps_shader.current->key.ps.spi_shader_col_format : 0;
+ unsigned sx_ps_downconvert = 0;
+ unsigned sx_blend_opt_epsilon = 0;
+ unsigned sx_blend_opt_control = 0;
+
+ for (i = 0; i < sctx->framebuffer.state.nr_cbufs; i++) {
+ struct r600_surface *surf =
+ (struct r600_surface*)sctx->framebuffer.state.cbufs[i];
+ unsigned format, swap, spi_format, colormask;
+ bool has_alpha, has_rgb;
+
+ if (!surf)
+ continue;
+
+ format = G_028C70_FORMAT(surf->cb_color_info);
+ swap = G_028C70_COMP_SWAP(surf->cb_color_info);
+ spi_format = (spi_shader_col_format >> (i * 4)) & 0xf;
+ colormask = (cb_target_mask >> (i * 4)) & 0xf;
+
+ /* Set if RGB and A are present. */
+ has_alpha = !G_028C74_FORCE_DST_ALPHA_1(surf->cb_color_attrib);
+
+ if (format == V_028C70_COLOR_8 ||
+ format == V_028C70_COLOR_16 ||
+ format == V_028C70_COLOR_32)
+ has_rgb = !has_alpha;
+ else
+ has_rgb = true;
+
+ /* Check the colormask and export format. */
+ if (!(colormask & (PIPE_MASK_RGBA & ~PIPE_MASK_A)))
+ has_rgb = false;
+ if (!(colormask & PIPE_MASK_A))
+ has_alpha = false;
+
+ if (spi_format == V_028714_SPI_SHADER_ZERO) {
+ has_rgb = false;
+ has_alpha = false;
+ }
+
+ /* Disable value checking for disabled channels. */
+ if (!has_rgb)
+ sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (i * 4);
+ if (!has_alpha)
+ sx_blend_opt_control |= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (i * 4);
+
+ /* Enable down-conversion for 32bpp and smaller formats. */
+ switch (format) {
+ case V_028C70_COLOR_8:
+ case V_028C70_COLOR_8_8:
+ case V_028C70_COLOR_8_8_8_8:
+ /* For 1 and 2-channel formats, use the superset thereof. */
+ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR ||
+ spi_format == V_028714_SPI_SHADER_UINT16_ABGR ||
+ spi_format == V_028714_SPI_SHADER_SINT16_ABGR) {
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_8_8_8_8 << (i * 4);
+ sx_blend_opt_epsilon |= V_028758_8BIT_FORMAT << (i * 4);
+ }
+ break;
+
+ case V_028C70_COLOR_5_6_5:
+ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_5_6_5 << (i * 4);
+ sx_blend_opt_epsilon |= V_028758_6BIT_FORMAT << (i * 4);
+ }
+ break;
+
+ case V_028C70_COLOR_1_5_5_5:
+ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_1_5_5_5 << (i * 4);
+ sx_blend_opt_epsilon |= V_028758_5BIT_FORMAT << (i * 4);
+ }
+ break;
+
+ case V_028C70_COLOR_4_4_4_4:
+ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_4_4_4_4 << (i * 4);
+ sx_blend_opt_epsilon |= V_028758_4BIT_FORMAT << (i * 4);
+ }
+ break;
+
+ case V_028C70_COLOR_32:
+ if (swap == V_0280A0_SWAP_STD &&
+ spi_format == V_028714_SPI_SHADER_32_R)
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_R << (i * 4);
+ else if (swap == V_0280A0_SWAP_ALT_REV &&
+ spi_format == V_028714_SPI_SHADER_32_AR)
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_A << (i * 4);
+ break;
+
+ case V_028C70_COLOR_16:
+ case V_028C70_COLOR_16_16:
+ /* For 1-channel formats, use the superset thereof. */
+ if (spi_format == V_028714_SPI_SHADER_UNORM16_ABGR ||
+ spi_format == V_028714_SPI_SHADER_SNORM16_ABGR ||
+ spi_format == V_028714_SPI_SHADER_UINT16_ABGR ||
+ spi_format == V_028714_SPI_SHADER_SINT16_ABGR) {
+ if (swap == V_0280A0_SWAP_STD ||
+ swap == V_0280A0_SWAP_STD_REV)
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_GR << (i * 4);
+ else
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_16_16_AR << (i * 4);
+ }
+ break;
+
+ case V_028C70_COLOR_10_11_11:
+ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_10_11_11 << (i * 4);
+ sx_blend_opt_epsilon |= V_028758_11BIT_FORMAT << (i * 4);
+ }
+ break;
+
+ case V_028C70_COLOR_2_10_10_10:
+ if (spi_format == V_028714_SPI_SHADER_FP16_ABGR) {
+ sx_ps_downconvert |= V_028754_SX_RT_EXPORT_2_10_10_10 << (i * 4);
+ sx_blend_opt_epsilon |= V_028758_10BIT_FORMAT << (i * 4);
+ }
+ break;
+ }
+ }
+
+ if (sctx->screen->b.debug_flags & DBG_NO_RB_PLUS) {
+ sx_ps_downconvert = 0;
+ sx_blend_opt_epsilon = 0;
+ sx_blend_opt_control = 0;
+ }
+
+ radeon_set_context_reg_seq(cs, R_028754_SX_PS_DOWNCONVERT, 3);
+ radeon_emit(cs, sx_ps_downconvert); /* R_028754_SX_PS_DOWNCONVERT */
+ radeon_emit(cs, sx_blend_opt_epsilon); /* R_028758_SX_BLEND_OPT_EPSILON */
+ radeon_emit(cs, sx_blend_opt_control); /* R_02875C_SX_BLEND_OPT_CONTROL */
+ }
}
/*
}
}
+/**
+ * Get rid of DST in the blend factors by commuting the operands:
+ * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC)
+ */
+static void si_blend_remove_dst(unsigned *func, unsigned *src_factor,
+ unsigned *dst_factor, unsigned expected_dst,
+ unsigned replacement_src)
+{
+ if (*src_factor == expected_dst &&
+ *dst_factor == PIPE_BLENDFACTOR_ZERO) {
+ *src_factor = PIPE_BLENDFACTOR_ZERO;
+ *dst_factor = replacement_src;
+
+ /* Commuting the operands requires reversing subtractions. */
+ if (*func == PIPE_BLEND_SUBTRACT)
+ *func = PIPE_BLEND_REVERSE_SUBTRACT;
+ else if (*func == PIPE_BLEND_REVERSE_SUBTRACT)
+ *func = PIPE_BLEND_SUBTRACT;
+ }
+}
+
+static bool si_blend_factor_uses_dst(unsigned factor)
+{
+ return factor == PIPE_BLENDFACTOR_DST_COLOR ||
+ factor == PIPE_BLENDFACTOR_DST_ALPHA ||
+ factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
+ factor == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
+ factor == PIPE_BLENDFACTOR_INV_DST_COLOR;
+}
+
static void *si_create_blend_state_mode(struct pipe_context *ctx,
const struct pipe_blend_state *state,
unsigned mode)
struct si_context *sctx = (struct si_context*)ctx;
struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend);
struct si_pm4_state *pm4 = &blend->pm4;
-
+ uint32_t sx_mrt_blend_opt[8] = {0};
uint32_t color_control = 0;
if (!blend)
unsigned srcA = state->rt[j].alpha_src_factor;
unsigned dstA = state->rt[j].alpha_dst_factor;
+ unsigned srcRGB_opt, dstRGB_opt, srcA_opt, dstA_opt;
unsigned blend_cntl = 0;
+ sx_mrt_blend_opt[i] =
+ S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) |
+ S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED);
+
if (!state->rt[j].colormask)
continue;
- /* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */
+ /* cb_render_state will disable unused ones */
blend->cb_target_mask |= state->rt[j].colormask << (4 * i);
if (!state->rt[j].blend_enable) {
continue;
}
+ /* Blending optimizations for Stoney.
+ * These transformations don't change the behavior.
+ *
+ * First, get rid of DST in the blend factors:
+ * func(src * DST, dst * 0) ---> func(src * 0, dst * SRC)
+ */
+ si_blend_remove_dst(&eqRGB, &srcRGB, &dstRGB,
+ PIPE_BLENDFACTOR_DST_COLOR,
+ PIPE_BLENDFACTOR_SRC_COLOR);
+ si_blend_remove_dst(&eqA, &srcA, &dstA,
+ PIPE_BLENDFACTOR_DST_COLOR,
+ PIPE_BLENDFACTOR_SRC_COLOR);
+ si_blend_remove_dst(&eqA, &srcA, &dstA,
+ PIPE_BLENDFACTOR_DST_ALPHA,
+ PIPE_BLENDFACTOR_SRC_ALPHA);
+
+ /* Look up the ideal settings from tables. */
+ srcRGB_opt = si_translate_blend_opt_factor(srcRGB, false);
+ dstRGB_opt = si_translate_blend_opt_factor(dstRGB, false);
+ srcA_opt = si_translate_blend_opt_factor(srcA, true);
+ dstA_opt = si_translate_blend_opt_factor(dstA, true);
+
+ /* Handle interdependencies. */
+ if (si_blend_factor_uses_dst(srcRGB))
+ dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE;
+ if (si_blend_factor_uses_dst(srcA))
+ dstA_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_NONE;
+
+ if (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE &&
+ (dstRGB == PIPE_BLENDFACTOR_ZERO ||
+ dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
+ dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE))
+ dstRGB_opt = V_028760_BLEND_OPT_PRESERVE_NONE_IGNORE_A0;
+
+ /* Set the final value. */
+ sx_mrt_blend_opt[i] =
+ S_028760_COLOR_SRC_OPT(srcRGB_opt) |
+ S_028760_COLOR_DST_OPT(dstRGB_opt) |
+ S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(eqRGB)) |
+ S_028760_ALPHA_SRC_OPT(srcA_opt) |
+ S_028760_ALPHA_DST_OPT(dstA_opt) |
+ S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(eqA));
+
+ /* Set blend state. */
blend_cntl |= S_028780_ENABLE(1);
blend_cntl |= S_028780_COLOR_COMB_FCN(si_translate_blend_function(eqRGB));
blend_cntl |= S_028780_COLOR_SRCBLEND(si_translate_blend_factor(srcRGB));
}
if (sctx->b.family == CHIP_STONEY) {
- uint32_t sx_blend_opt_control = 0;
-
- for (int i = 0; i < 8; i++) {
- const int j = state->independent_blend_enable ? i : 0;
-
- /* TODO: We can also set this if the surface doesn't contain RGB. */
- if (!state->rt[j].blend_enable ||
- !(state->rt[j].colormask & (PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B)))
- sx_blend_opt_control |= S_02875C_MRT0_COLOR_OPT_DISABLE(1) << (4 * i);
-
- /* TODO: We can also set this if the surface doesn't contain alpha. */
- if (!state->rt[j].blend_enable ||
- !(state->rt[j].colormask & PIPE_MASK_A))
- sx_blend_opt_control |= S_02875C_MRT0_ALPHA_OPT_DISABLE(1) << (4 * i);
-
- if (!state->rt[j].blend_enable) {
- si_pm4_set_reg(pm4, R_028760_SX_MRT0_BLEND_OPT + i * 4,
- S_028760_COLOR_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED) |
- S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED));
- continue;
- }
-
+ for (int i = 0; i < 8; i++)
si_pm4_set_reg(pm4, R_028760_SX_MRT0_BLEND_OPT + i * 4,
- S_028760_COLOR_SRC_OPT(si_translate_blend_opt_factor(state->rt[j].rgb_src_factor, false)) |
- S_028760_COLOR_DST_OPT(si_translate_blend_opt_factor(state->rt[j].rgb_dst_factor, false)) |
- S_028760_COLOR_COMB_FCN(si_translate_blend_opt_function(state->rt[j].rgb_func)) |
- S_028760_ALPHA_SRC_OPT(si_translate_blend_opt_factor(state->rt[j].alpha_src_factor, true)) |
- S_028760_ALPHA_DST_OPT(si_translate_blend_opt_factor(state->rt[j].alpha_dst_factor, true)) |
- S_028760_ALPHA_COMB_FCN(si_translate_blend_opt_function(state->rt[j].alpha_func)));
- }
-
- si_pm4_set_reg(pm4, R_02875C_SX_BLEND_OPT_CONTROL, sx_blend_opt_control);
+ sx_mrt_blend_opt[i]);
- /* RB+ doesn't work with dual source blending */
- if (blend->dual_src_blend)
+ /* RB+ doesn't work with dual source blending, logic op, and RESOLVE. */
+ if (blend->dual_src_blend || state->logicop_enable ||
+ mode == V_028808_CB_RESOLVE)
color_control |= S_028808_DISABLE_DUAL_QUAD(1);
}
/* Determine pixel shader export format */
si_choose_spi_color_formats(surf, format, swap, ntype, rtex->is_depth);
- if (sctx->b.family == CHIP_STONEY &&
- !(sctx->screen->b.debug_flags & DBG_NO_RB_PLUS)) {
- switch (desc->channel[0].size) {
- case 32:
- if (desc->nr_channels == 1) {
- if (swap == V_0280A0_SWAP_STD)
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_32_R;
- else if (swap == V_0280A0_SWAP_ALT_REV)
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_32_A;
- }
- break;
- case 16:
- /* For 1-channel formats, use the superset thereof. */
- if (desc->nr_channels <= 2) {
- if (swap == V_0280A0_SWAP_STD ||
- swap == V_0280A0_SWAP_STD_REV)
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_16_16_GR;
- else
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_16_16_AR;
- }
- break;
- case 11:
- if (desc->nr_channels == 3) {
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_10_11_11;
- surf->sx_blend_opt_epsilon = V_028758_11BIT_FORMAT;
- }
- break;
- case 10:
- if (desc->nr_channels == 4) {
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_2_10_10_10;
- surf->sx_blend_opt_epsilon = V_028758_10BIT_FORMAT;
- }
- break;
- case 8:
- /* For 1 and 2-channel formats, use the superset thereof. */
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_8_8_8_8;
- surf->sx_blend_opt_epsilon = V_028758_8BIT_FORMAT;
- break;
- case 5:
- if (desc->nr_channels == 3) {
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_5_6_5;
- surf->sx_blend_opt_epsilon = V_028758_6BIT_FORMAT;
- } else if (desc->nr_channels == 4) {
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_1_5_5_5;
- surf->sx_blend_opt_epsilon = V_028758_5BIT_FORMAT;
- }
- break;
- case 4:
- /* For 1 nad 2-channel formats, use the superset thereof. */
- surf->sx_ps_downconvert = V_028754_SX_RT_EXPORT_4_4_4_4;
- surf->sx_blend_opt_epsilon = V_028758_4BIT_FORMAT;
- break;
- }
- }
-
surf->color_initialized = true;
}
unsigned i, nr_cbufs = state->nr_cbufs;
struct r600_texture *tex = NULL;
struct r600_surface *cb = NULL;
- uint32_t sx_ps_downconvert = 0;
- uint32_t sx_blend_opt_epsilon = 0;
/* Colorbuffers. */
for (i = 0; i < nr_cbufs; i++) {
if (sctx->b.chip_class >= VI)
radeon_emit(cs, cb->cb_dcc_base); /* R_028C94_CB_COLOR0_DCC_BASE */
-
- sx_ps_downconvert |= cb->sx_ps_downconvert << (4 * i);
- sx_blend_opt_epsilon |= cb->sx_blend_opt_epsilon << (4 * i);
}
/* set CB_COLOR1_INFO for possible dual-src blending */
if (i == 1 && state->cbufs[0] &&
sctx->framebuffer.dirty_cbufs & (1 << 0)) {
radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + 1 * 0x3C,
cb->cb_color_info | tex->cb_color_info);
- sx_ps_downconvert |= cb->sx_ps_downconvert << (4 * i);
- sx_blend_opt_epsilon |= cb->sx_blend_opt_epsilon << (4 * i);
i++;
}
for (; i < 8 ; i++)
if (sctx->framebuffer.dirty_cbufs & (1 << i))
radeon_set_context_reg(cs, R_028C70_CB_COLOR0_INFO + i * 0x3C, 0);
- if (sctx->b.family == CHIP_STONEY) {
- radeon_set_context_reg_seq(cs, R_028754_SX_PS_DOWNCONVERT, 2);
- radeon_emit(cs, sx_ps_downconvert); /* R_028754_SX_PS_DOWNCONVERT */
- radeon_emit(cs, sx_blend_opt_epsilon); /* R_028758_SX_BLEND_OPT_EPSILON */
- }
-
/* ZS buffer. */
if (state->zsbuf && sctx->framebuffer.dirty_zsbuf) {
struct r600_surface *zb = (struct r600_surface*)state->zsbuf;
projects / mesa.git / commitdiff