diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 135 |
1 files changed, 99 insertions, 36 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index dbf316a9b5..199ce3a945 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -1,5 +1,6 @@ /* * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * Copyright 2009 Marek Olšák <maraeo@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -22,6 +23,7 @@ /* r300_emit: Functions for emitting state. */ +#include "util/u_format.h" #include "util/u_math.h" #include "r300_context.h" @@ -40,9 +42,16 @@ void r300_emit_blend_state(struct r300_context* r300, CS_LOCALS(r300); BEGIN_CS(8); OUT_CS_REG_SEQ(R300_RB3D_CBLEND, 3); - OUT_CS(blend->blend_control); - OUT_CS(blend->alpha_blend_control); - OUT_CS(blend->color_channel_mask); + if (r300->framebuffer_state.nr_cbufs) { + OUT_CS(blend->blend_control); + OUT_CS(blend->alpha_blend_control); + OUT_CS(blend->color_channel_mask); + } else { + OUT_CS(0); + OUT_CS(0); + OUT_CS(0); + /* XXX also disable fastfill here once it's supported */ + } OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop); OUT_CS_REG(R300_RB3D_DITHER_CTL, blend->dither); END_CS; @@ -149,6 +158,13 @@ static const float * get_shader_constant( vec[1] = 1.0 / tex->height0; break; + /* Texture compare-fail value. */ + /* XXX Since Gallium doesn't support GL_ARB_shadow_ambient, + * this is always (0,0,0,0). */ + case RC_STATE_SHADOW_AMBIENT: + vec[3] = 0; + break; + default: debug_printf("r300: Implementation error: " "Unknown RC_CONSTANT type %d\n", constant->u.State[0]); @@ -276,7 +292,7 @@ void r500_emit_fragment_program_code(struct r300_context* r300, BEGIN_CS(13 + ((code->inst_end + 1) * 6)); - OUT_CS_REG(R500_US_CONFIG, 0); + OUT_CS_REG(R500_US_CONFIG, R500_ZERO_TIMES_ANYTHING_EQUALS_ZERO); OUT_CS_REG(R500_US_PIXSIZE, code->max_temp_idx); OUT_CS_REG(R500_US_CODE_RANGE, R500_US_CODE_RANGE_ADDR(0) | R500_US_CODE_RANGE_SIZE(code->inst_end)); @@ -330,7 +346,13 @@ void r300_emit_fb_state(struct r300_context* r300, int i; CS_LOCALS(r300); - BEGIN_CS((10 * fb->nr_cbufs) + (fb->zsbuf ? 10 : 0) + 4); + /* Shouldn't fail unless there is a bug in the state tracker. */ + assert(fb->nr_cbufs <= 4); + + BEGIN_CS((10 * fb->nr_cbufs) + (2 * (4 - fb->nr_cbufs)) + + (fb->zsbuf ? 10 : 0) + 6); + + /* Flush and free renderbuffer caches. */ OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT, R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS | R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D); @@ -338,6 +360,10 @@ void r300_emit_fb_state(struct r300_context* r300, R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE | R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE); + /* Set the number of colorbuffers. */ + OUT_CS_REG(R300_RB3D_CCTL, R300_RB3D_CCTL_NUM_MULTIWRITES(fb->nr_cbufs)); + + /* Set up colorbuffers. */ for (i = 0; i < fb->nr_cbufs; i++) { surf = fb->cbufs[i]; tex = (struct r300_texture*)surf->texture; @@ -355,6 +381,12 @@ void r300_emit_fb_state(struct r300_context* r300, r300_translate_out_fmt(surf->format)); } + /* Disable unused colorbuffers. */ + for (; i < 4; i++) { + OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i), R300_US_OUT_FMT_UNUSED); + } + + /* Set up a zbuffer. */ if (fb->zsbuf) { surf = fb->zsbuf; tex = (struct r300_texture*)surf->texture; @@ -623,50 +655,68 @@ void r300_emit_texture(struct r300_context* r300, END_CS; } -/* XXX I can't read this and that's not good */ -void r300_emit_aos(struct r300_context* r300, unsigned offset) +static boolean r300_validate_aos(struct r300_context *r300) { struct pipe_vertex_buffer *vbuf = r300->vertex_buffer; struct pipe_vertex_element *velem = r300->vertex_element; - CS_LOCALS(r300); int i; - unsigned aos_count = r300->vertex_element_count; + /* Check if formats and strides are aligned to the size of DWORD. */ + for (i = 0; i < r300->vertex_element_count; i++) { + if (vbuf[velem[i].vertex_buffer_index].stride % 4 != 0 || + util_format_get_blocksize(velem[i].src_format) % 4 != 0) { + return FALSE; + } + } + return TRUE; +} + +void r300_emit_aos(struct r300_context* r300, unsigned offset) +{ + struct pipe_vertex_buffer *vb1, *vb2, *vbuf = r300->vertex_buffer; + struct pipe_vertex_element *velem = r300->vertex_element; + int i; + unsigned size1, size2, aos_count = r300->vertex_element_count; unsigned packet_size = (aos_count * 3 + 1) / 2; + CS_LOCALS(r300); + + /* XXX Move this checking to a more approriate place. */ + if (!r300_validate_aos(r300)) { + /* XXX We should fallback using Draw. */ + assert(0); + } + BEGIN_CS(2 + packet_size + aos_count * 2); OUT_CS_PKT3(R300_PACKET3_3D_LOAD_VBPNTR, packet_size); OUT_CS(aos_count); + for (i = 0; i < aos_count - 1; i += 2) { - int buf_num1 = velem[i].vertex_buffer_index; - int buf_num2 = velem[i+1].vertex_buffer_index; - assert(vbuf[buf_num1].stride % 4 == 0 && pf_get_blocksize(velem[i].src_format) % 4 == 0); - assert(vbuf[buf_num2].stride % 4 == 0 && pf_get_blocksize(velem[i+1].src_format) % 4 == 0); - OUT_CS((pf_get_blocksize(velem[i].src_format) >> 2) | (vbuf[buf_num1].stride << 6) | - (pf_get_blocksize(velem[i+1].src_format) << 14) | (vbuf[buf_num2].stride << 22)); - OUT_CS(vbuf[buf_num1].buffer_offset + velem[i].src_offset + - offset * vbuf[buf_num1].stride); - OUT_CS(vbuf[buf_num2].buffer_offset + velem[i+1].src_offset + - offset * vbuf[buf_num2].stride); + vb1 = &vbuf[velem[i].vertex_buffer_index]; + vb2 = &vbuf[velem[i+1].vertex_buffer_index]; + size1 = util_format_get_blocksize(velem[i].src_format); + size2 = util_format_get_blocksize(velem[i+1].src_format); + + OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride) | + R300_VBPNTR_SIZE1(size2) | R300_VBPNTR_STRIDE1(vb2->stride)); + OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride); + OUT_CS(vb2->buffer_offset + velem[i+1].src_offset + offset * vb2->stride); } + if (aos_count & 1) { - int buf_num = velem[i].vertex_buffer_index; - assert(vbuf[buf_num].stride % 4 == 0 && pf_get_blocksize(velem[i].src_format) % 4 == 0); - OUT_CS((pf_get_blocksize(velem[i].src_format) >> 2) | (vbuf[buf_num].stride << 6)); - OUT_CS(vbuf[buf_num].buffer_offset + velem[i].src_offset + - offset * vbuf[buf_num].stride); + vb1 = &vbuf[velem[i].vertex_buffer_index]; + size1 = util_format_get_blocksize(velem[i].src_format); + + OUT_CS(R300_VBPNTR_SIZE0(size1) | R300_VBPNTR_STRIDE0(vb1->stride)); + OUT_CS(vb1->buffer_offset + velem[i].src_offset + offset * vb1->stride); } - /* XXX bare CS reloc */ for (i = 0; i < aos_count; i++) { - cs_winsys->write_cs_reloc(cs_winsys, - vbuf[velem[i].vertex_buffer_index].buffer, - RADEON_GEM_DOMAIN_GTT, - 0, - 0); - cs_count -= 2; + OUT_CS_RELOC_NO_OFFSET(vbuf[velem[i].vertex_buffer_index].buffer, + RADEON_GEM_DOMAIN_GTT, 0, 0); } END_CS; } + #if 0 void r300_emit_draw_packet(struct r300_context* r300) { @@ -841,10 +891,21 @@ void r300_emit_viewport_state(struct r300_context* r300, void r300_emit_texture_count(struct r300_context* r300) { + uint32_t tx_enable = 0; + int i; CS_LOCALS(r300); + /* Notice that texture_count and sampler_count are just sizes + * of the respective arrays. We still have to check for the individual + * elements. */ + for (i = 0; i < MIN2(r300->sampler_count, r300->texture_count); i++) { + if (r300->textures[i]) { + tx_enable |= 1 << i; + } + } + BEGIN_CS(2); - OUT_CS_REG(R300_TX_ENABLE, (1 << r300->texture_count) - 1); + OUT_CS_REG(R300_TX_ENABLE, tx_enable); END_CS; } @@ -976,18 +1037,20 @@ validate: if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER) { if (r300screen->caps->is_r500) { - r500_emit_fragment_program_code(r300, &r300->fs->code); + r500_emit_fragment_program_code(r300, &r300->fs->shader->code); } else { - r300_emit_fragment_program_code(r300, &r300->fs->code); + r300_emit_fragment_program_code(r300, &r300->fs->shader->code); } r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER; } if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER_CONSTANTS) { if (r300screen->caps->is_r500) { - r500_emit_fs_constant_buffer(r300, &r300->fs->code.constants); + r500_emit_fs_constant_buffer(r300, + &r300->fs->shader->code.constants); } else { - r300_emit_fs_constant_buffer(r300, &r300->fs->code.constants); + r300_emit_fs_constant_buffer(r300, + &r300->fs->shader->code.constants); } r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER_CONSTANTS; } |