diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 92 |
1 files changed, 92 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..8662830ee2 --- /dev/null +++ b/src/gallium/drivers/r300/r300_emit.c @@ -0,0 +1,92 @@ +/* + * 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_context.h" +#include "r300_cs.h" +#include "r300_screen.h" + +static void r300_emit_dirty_state(struct r300_context* r300) +{ + struct r300_screen* r300screen = (struct r300_screen*)r300->context.screen; + CS_LOCALS(r300); + + /* XXX check size */ + + if (r300->dirty_state & R300_NEW_BLEND) { + struct r300_blend_state* blend = r300->blend_state; + /* XXX next two are contiguous regs */ + OUT_CS_REG(R300_RB3D_CBLEND, blend->blend_control); + OUT_CS_REG(R300_RB3D_ABLEND, blend->alpha_blend_control); + OUT_CS_REG(R300_RB3D_ROPCNTL, blend->rop); + OUT_CS_REG(R300_RB3D_DITHER_CTL, blend->dither); + } + + if (r300->dirty_state & R300_NEW_BLEND_COLOR) { + struct r300_blend_color_state* blend_color = r300->blend_color_state; + if (r300screen->is_r500) { + /* XXX next two are contiguous regs */ + OUT_CS_REG(R500_RB3D_CONSTANT_COLOR_AR, + blend_color->blend_color_red_alpha); + OUT_CS_REG(R500_RB3D_CONSTANT_COLOR_GB, + blend_color->blend_color_green_blue); + } else { + OUT_CS_REG(R300_RB3D_BLEND_COLOR, + blend_color->blend_color); + } + } + + if (r300->dirty_state & R300_NEW_DSA) { + struct r300_dsa_state* dsa = r300->dsa_state; + OUT_CS_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function); + OUT_CS_REG(R500_FG_ALPHA_VALUE, dsa->alpha_reference); + /* XXX next three are contiguous regs */ + OUT_CS_REG(R300_ZB_CNTL, dsa->z_buffer_control); + OUT_CS_REG(R300_ZB_ZSTENCILCNTL, dsa->z_stencil_control); + OUT_CS_REG(R300_ZB_STENCILREFMASK, dsa->stencil_ref_mask); + OUT_CS_REG(R300_ZB_ZTOP, dsa->z_buffer_top); + if (r300screen->is_r500) { + OUT_CS_REG(R500_ZB_STENCILREFMASK_BF, dsa->stencil_ref_bf); + } + } + + if (r300->dirty_state & R300_NEW_RS) { + struct r300_rs_state* rs = r300->rs_state; + /* XXX next six are contiguous regs */ + OUT_CS_REG(R300_SU_POLY_OFFSET_FRONT_SCALE, rs->depth_scale_front); + OUT_CS_REG(R300_SU_POLY_OFFSET_FRONT_OFFSET, rs->depth_offset_front); + OUT_CS_REG(R300_SU_POLY_OFFSET_BACK_SCALE, rs->depth_scale_back); + OUT_CS_REG(R300_SU_POLY_OFFSET_BACK_OFFSET, rs->depth_offset_back); + OUT_CS_REG(R300_SU_POLY_OFFSET_ENABLE, rs->polygon_offset_enable); + OUT_CS_REG(R300_SU_CULL_MODE, rs->cull_mode); + } + + 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; +} |