diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 158 |
1 files changed, 157 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 843403b6deb..8373f423685 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -22,7 +22,163 @@ * * Authors: * Christian König <[email protected]> - * */ +#include "util/u_memory.h" +#include "radeonsi_pipe.h" #include "si_state.h" +#include "sid.h" + +/* + * Blender functions + */ + +static uint32_t si_translate_blend_function(int blend_func) +{ + switch (blend_func) { + case PIPE_BLEND_ADD: + return V_028780_COMB_DST_PLUS_SRC; + case PIPE_BLEND_SUBTRACT: + return V_028780_COMB_SRC_MINUS_DST; + case PIPE_BLEND_REVERSE_SUBTRACT: + return V_028780_COMB_DST_MINUS_SRC; + case PIPE_BLEND_MIN: + return V_028780_COMB_MIN_DST_SRC; + case PIPE_BLEND_MAX: + return V_028780_COMB_MAX_DST_SRC; + default: + R600_ERR("Unknown blend function %d\n", blend_func); + assert(0); + break; + } + return 0; +} + +static uint32_t si_translate_blend_factor(int blend_fact) +{ + switch (blend_fact) { + case PIPE_BLENDFACTOR_ONE: + return V_028780_BLEND_ONE; + case PIPE_BLENDFACTOR_SRC_COLOR: + return V_028780_BLEND_SRC_COLOR; + case PIPE_BLENDFACTOR_SRC_ALPHA: + return V_028780_BLEND_SRC_ALPHA; + case PIPE_BLENDFACTOR_DST_ALPHA: + return V_028780_BLEND_DST_ALPHA; + case PIPE_BLENDFACTOR_DST_COLOR: + return V_028780_BLEND_DST_COLOR; + case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: + return V_028780_BLEND_SRC_ALPHA_SATURATE; + case PIPE_BLENDFACTOR_CONST_COLOR: + return V_028780_BLEND_CONSTANT_COLOR; + case PIPE_BLENDFACTOR_CONST_ALPHA: + return V_028780_BLEND_CONSTANT_ALPHA; + case PIPE_BLENDFACTOR_ZERO: + return V_028780_BLEND_ZERO; + case PIPE_BLENDFACTOR_INV_SRC_COLOR: + return V_028780_BLEND_ONE_MINUS_SRC_COLOR; + case PIPE_BLENDFACTOR_INV_SRC_ALPHA: + return V_028780_BLEND_ONE_MINUS_SRC_ALPHA; + case PIPE_BLENDFACTOR_INV_DST_ALPHA: + return V_028780_BLEND_ONE_MINUS_DST_ALPHA; + case PIPE_BLENDFACTOR_INV_DST_COLOR: + return V_028780_BLEND_ONE_MINUS_DST_COLOR; + case PIPE_BLENDFACTOR_INV_CONST_COLOR: + return V_028780_BLEND_ONE_MINUS_CONSTANT_COLOR; + case PIPE_BLENDFACTOR_INV_CONST_ALPHA: + return V_028780_BLEND_ONE_MINUS_CONSTANT_ALPHA; + case PIPE_BLENDFACTOR_SRC1_COLOR: + return V_028780_BLEND_SRC1_COLOR; + case PIPE_BLENDFACTOR_SRC1_ALPHA: + return V_028780_BLEND_SRC1_ALPHA; + case PIPE_BLENDFACTOR_INV_SRC1_COLOR: + return V_028780_BLEND_INV_SRC1_COLOR; + case PIPE_BLENDFACTOR_INV_SRC1_ALPHA: + return V_028780_BLEND_INV_SRC1_ALPHA; + default: + R600_ERR("Bad blend factor %d not supported!\n", blend_fact); + assert(0); + break; + } + return 0; +} + +static void *si_create_blend_state(struct pipe_context *ctx, + const struct pipe_blend_state *state) +{ + struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend); + struct si_pm4_state *pm4 = &blend->pm4; + + uint32_t color_control; + + if (blend == NULL) + return NULL; + + color_control = S_028808_MODE(V_028808_CB_NORMAL); + if (state->logicop_enable) { + color_control |= S_028808_ROP3(state->logicop_func | (state->logicop_func << 4)); + } else { + color_control |= S_028808_ROP3(0xcc); + } + si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control); + + si_pm4_set_reg(pm4, R_028C38_PA_SC_AA_MASK_X0Y0_X1Y0, ~0); + si_pm4_set_reg(pm4, R_028C3C_PA_SC_AA_MASK_X0Y1_X1Y1, ~0); + + blend->cb_target_mask = 0; + for (int i = 0; i < 8; i++) { + /* state->rt entries > 0 only written if independent blending */ + const int j = state->independent_blend_enable ? i : 0; + + unsigned eqRGB = state->rt[j].rgb_func; + unsigned srcRGB = state->rt[j].rgb_src_factor; + unsigned dstRGB = state->rt[j].rgb_dst_factor; + unsigned eqA = state->rt[j].alpha_func; + unsigned srcA = state->rt[j].alpha_src_factor; + unsigned dstA = state->rt[j].alpha_dst_factor; + + unsigned blend_cntl = 0; + + /* we pretend 8 buffer are used, CB_SHADER_MASK will disable unused one */ + blend->cb_target_mask |= state->rt[j].colormask << (4 * i); + + if (!state->rt[j].blend_enable) { + si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); + continue; + } + + 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)); + blend_cntl |= S_028780_COLOR_DESTBLEND(si_translate_blend_factor(dstRGB)); + + if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { + blend_cntl |= S_028780_SEPARATE_ALPHA_BLEND(1); + blend_cntl |= S_028780_ALPHA_COMB_FCN(si_translate_blend_function(eqA)); + blend_cntl |= S_028780_ALPHA_SRCBLEND(si_translate_blend_factor(srcA)); + blend_cntl |= S_028780_ALPHA_DESTBLEND(si_translate_blend_factor(dstA)); + } + si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl); + } + + return blend; +} + +static void si_bind_blend_state(struct pipe_context *ctx, void *state) +{ + struct r600_context *rctx = (struct r600_context *)ctx; + si_pm4_bind_state(rctx, blend, (struct si_state_blend *)state); +} + +static void si_delete_blend_state(struct pipe_context *ctx, void *state) +{ + struct r600_context *rctx = (struct r600_context *)ctx; + si_pm4_delete_state(rctx, blend, (struct si_state_blend *)state); +} + +void si_init_state_functions(struct r600_context *rctx) +{ + rctx->context.create_blend_state = si_create_blend_state; + rctx->context.bind_blend_state = si_bind_blend_state; + rctx->context.delete_blend_state = si_delete_blend_state; +} |