diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state.c | 63 |
1 files changed, 45 insertions, 18 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 91bbddd5f1d..73d866fa5d7 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -31,6 +31,7 @@ #include "pipe/p_config.h" +#include "r300_cb.h" #include "r300_context.h" #include "r300_emit.h" #include "r300_reg.h" @@ -182,6 +183,12 @@ static void* r300_create_blend_state(struct pipe_context* pipe, { struct r300_screen* r300screen = r300_screen(pipe->screen); struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state); + uint32_t blend_control = 0; /* R300_RB3D_CBLEND: 0x4e04 */ + uint32_t alpha_blend_control = 0; /* R300_RB3D_ABLEND: 0x4e08 */ + uint32_t color_channel_mask = 0; /* R300_RB3D_COLOR_CHANNEL_MASK: 0x4e0c */ + uint32_t rop = 0; /* R300_RB3D_ROPCNTL: 0x4e18 */ + uint32_t dither = 0; /* R300_RB3D_DITHER_CTL: 0x4e50 */ + CB_LOCALS; if (state->rt[0].blend_enable) { @@ -195,7 +202,7 @@ static void* r300_create_blend_state(struct pipe_context* pipe, /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha, * this is just the crappy D3D naming */ - blend->blend_control = R300_ALPHA_BLEND_ENABLE | + blend_control = R300_ALPHA_BLEND_ENABLE | r300_translate_blend_function(eqRGB) | ( r300_translate_blend_factor(srcRGB) << R300_SRC_BLEND_SHIFT) | ( r300_translate_blend_factor(dstRGB) << R300_DST_BLEND_SHIFT); @@ -219,7 +226,7 @@ static void* r300_create_blend_state(struct pipe_context* pipe, srcA == PIPE_BLENDFACTOR_INV_DST_ALPHA || srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) { /* Enable reading from the colorbuffer. */ - blend->blend_control |= R300_READ_ENABLE; + blend_control |= R300_READ_ENABLE; if (r300screen->caps.is_r500) { /* Optimization: Depending on incoming pixels, we can @@ -232,7 +239,7 @@ static void* r300_create_blend_state(struct pipe_context* pipe, (dstA == PIPE_BLENDFACTOR_SRC_COLOR || dstA == PIPE_BLENDFACTOR_SRC_ALPHA || dstA == PIPE_BLENDFACTOR_ZERO)) { - blend->blend_control |= R500_SRC_ALPHA_0_NO_READ; + blend_control |= R500_SRC_ALPHA_0_NO_READ; } /* Disable reading if SRC_ALPHA == 1. */ @@ -241,7 +248,7 @@ static void* r300_create_blend_state(struct pipe_context* pipe, (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR || dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA || dstA == PIPE_BLENDFACTOR_ZERO)) { - blend->blend_control |= R500_SRC_ALPHA_1_NO_READ; + blend_control |= R500_SRC_ALPHA_1_NO_READ; } } } @@ -271,31 +278,31 @@ static void* r300_create_blend_state(struct pipe_context* pipe, * pixels. */ if (blend_discard_if_src_alpha_0(srcRGB, srcA, dstRGB, dstA)) { - blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0; + blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0; } else if (blend_discard_if_src_alpha_1(srcRGB, srcA, dstRGB, dstA)) { - blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1; + blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1; } else if (blend_discard_if_src_color_0(srcRGB, srcA, dstRGB, dstA)) { - blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0; + blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0; } else if (blend_discard_if_src_color_1(srcRGB, srcA, dstRGB, dstA)) { - blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1; + blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1; } else if (blend_discard_if_src_alpha_color_0(srcRGB, srcA, dstRGB, dstA)) { - blend->blend_control |= + blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0; } else if (blend_discard_if_src_alpha_color_1(srcRGB, srcA, dstRGB, dstA)) { - blend->blend_control |= + blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1; } } /* separate alpha */ if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { - blend->blend_control |= R300_SEPARATE_ALPHA_ENABLE; - blend->alpha_blend_control = + blend_control |= R300_SEPARATE_ALPHA_ENABLE; + alpha_blend_control = r300_translate_blend_function(eqA) | (r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) | (r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT); @@ -304,21 +311,21 @@ static void* r300_create_blend_state(struct pipe_context* pipe, /* PIPE_LOGICOP_* don't need to be translated, fortunately. */ if (state->logicop_enable) { - blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE | + rop = R300_RB3D_ROPCNTL_ROP_ENABLE | (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT; } /* Color channel masks for all MRTs. */ - blend->color_channel_mask = bgra_cmask(state->rt[0].colormask); + color_channel_mask = bgra_cmask(state->rt[0].colormask); if (r300screen->caps.is_r500 && state->independent_blend_enable) { if (state->rt[1].blend_enable) { - blend->color_channel_mask |= bgra_cmask(state->rt[1].colormask) << 4; + color_channel_mask |= bgra_cmask(state->rt[1].colormask) << 4; } if (state->rt[2].blend_enable) { - blend->color_channel_mask |= bgra_cmask(state->rt[2].colormask) << 8; + color_channel_mask |= bgra_cmask(state->rt[2].colormask) << 8; } if (state->rt[3].blend_enable) { - blend->color_channel_mask |= bgra_cmask(state->rt[3].colormask) << 12; + color_channel_mask |= bgra_cmask(state->rt[3].colormask) << 12; } } @@ -329,11 +336,31 @@ static void* r300_create_blend_state(struct pipe_context* pipe, * This could be revisited if we ever get quality or conformance hints. * if (state->dither) { - blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT | + dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT | R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT; } */ + /* Build a command buffer. */ + BEGIN_CB(blend->cb, 8); + OUT_CB_REG(R300_RB3D_ROPCNTL, rop); + OUT_CB_REG_SEQ(R300_RB3D_CBLEND, 3); + OUT_CB(blend_control); + OUT_CB(alpha_blend_control); + OUT_CB(color_channel_mask); + OUT_CB_REG(R300_RB3D_DITHER_CTL, dither); + END_CB; + + /* The same as above, but with no colorbuffer reads and writes. */ + BEGIN_CB(blend->cb_no_readwrite, 8); + OUT_CB_REG(R300_RB3D_ROPCNTL, rop); + OUT_CB_REG_SEQ(R300_RB3D_CBLEND, 3); + OUT_CB(0); + OUT_CB(0); + OUT_CB(0); + OUT_CB_REG(R300_RB3D_DITHER_CTL, dither); + END_CB; + return (void*)blend; } |