diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c new file mode 100644 index 0000000000..585a9e729d --- /dev/null +++ b/src/gallium/drivers/r300/r300_emit.c @@ -0,0 +1,155 @@ +/* + * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */ + +/* r300_emit: Functions for emitting state. */ + +#include "r300_emit.h" + +void r300_emit_blend_state(struct r300_context* r300, + struct r300_blend_state* blend) +{ + CS_LOCALS(r300); + BEGIN_CS(7); + OUT_CS_REG_SEQ(R300_RB3D_CBLEND, 2); + OUT_CS(blend->blend_control); + OUT_CS(blend->alpha_blend_control); + OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop); + OUT_CS_REG(R300_RB3D_DITHER_CTL, blend->dither); + END_CS; +} + +void r300_emit_blend_color_state(struct r300_context* r300, + struct r300_blend_color_state* bc) +{ + struct r300_screen* r300screen = + (struct r300_screen*)r300->context.screen; + CS_LOCALS(r300); + if (r300screen->caps->is_r500) { + BEGIN_CS(3); + OUT_CS_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR, 2); + OUT_CS(bc->blend_color_red_alpha); + OUT_CS(bc->blend_color_green_blue); + END_CS; + } else { + BEGIN_CS(2); + OUT_CS_REG(R300_RB3D_BLEND_COLOR, bc->blend_color); + END_CS; + } +} + +void r300_emit_dsa_state(struct r300_context* r300, + struct r300_dsa_state* dsa) +{ + struct r300_screen* r300screen = + (struct r300_screen*)r300->context.screen; + CS_LOCALS(r300); + BEGIN_CS(r300screen->caps->is_r500 ? 8 : 8); + OUT_CS_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function); + /* XXX figure out the r300 counterpart for this */ + if (r300screen->caps->is_r500) { + /* OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference); */ + } + OUT_CS_REG_SEQ(R300_ZB_CNTL, 3); + OUT_CS(dsa->z_buffer_control); + OUT_CS(dsa->z_stencil_control); + OUT_CS(dsa->stencil_ref_mask); + OUT_CS_REG(R300_ZB_ZTOP, dsa->z_buffer_top); + if (r300screen->caps->is_r500) { + /* OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf); */ + } + END_CS; +} + +/* XXX add pitch, stride, z/stencil buf */ +void r300_emit_fb_state(struct r300_context* r300, + struct pipe_framebuffer_state* fb) +{ + CS_LOCALS(r300); + struct r300_texture* tex; + int i; + + BEGIN_CS((3 * fb->nr_cbufs) + 6); + for (i = 0; i < fb->nr_cbufs; i++) { + tex = (struct r300_texture*)fb->cbufs[i]->texture; + OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1); + OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0); + } + R300_PACIFY; + END_CS; +} + +void r300_emit_rs_state(struct r300_context* r300, struct r300_rs_state* rs) +{ + struct r300_screen* r300screen = + (struct r300_screen*)r300->context.screen; + CS_LOCALS(r300); + BEGIN_CS(14); + OUT_CS_REG(R300_VAP_CNTL_STATUS, rs->vap_control_status); + OUT_CS_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 6); + OUT_CS(rs->depth_scale_front); + OUT_CS(rs->depth_offset_front); + OUT_CS(rs->depth_scale_back); + OUT_CS(rs->depth_offset_back); + OUT_CS(rs->polygon_offset_enable); + OUT_CS(rs->cull_mode); + OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, rs->line_stipple_config); + OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value); + END_CS; +} + +static void r300_emit_dirty_state(struct r300_context* r300) +{ + struct r300_screen* r300screen = + (struct r300_screen*)r300->context.screen; + CS_LOCALS(r300); + + if (!(r300->dirty_state) && !(r300->dirty_hw)) { + return; + } + + /* XXX check size */ + + if (r300->dirty_state & R300_NEW_BLEND) { + r300_emit_blend_state(r300, r300->blend_state); + } + + if (r300->dirty_state & R300_NEW_BLEND_COLOR) { + r300_emit_blend_color_state(r300, r300->blend_color_state); + } + + if (r300->dirty_state & R300_NEW_DSA) { + r300_emit_dsa_state(r300, r300->dsa_state); + } + + if (r300->dirty_state & R300_NEW_RASTERIZER) { + r300_emit_rs_state(r300, r300->rs_state); + } + + if (r300->dirty_state & R300_NEW_SCISSOR) { + struct r300_scissor_state* scissor = r300->scissor_state; + /* XXX next two are contiguous regs */ + OUT_CS_REG(R300_SC_SCISSORS_TL, scissor->scissor_top_left); + OUT_CS_REG(R300_SC_SCISSORS_BR, scissor->scissor_bottom_right); + } + + r300->dirty_state = 0; +} |