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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
* Joakim Sindholt <opensource@zhasha.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. */
#include "r300_surface.h"
/* Provides pipe_context's "surface_fill". Commonly used for clearing
* buffers. */
static void r300_surface_fill(struct pipe_context* pipe,
struct pipe_surface* dest,
unsigned x, unsigned y,
unsigned w, unsigned h,
unsigned color)
{
struct r300_context* r300 = r300_context(pipe);
CS_LOCALS(r300);
struct r300_capabilities* caps = ((struct r300_screen*)pipe->screen)->caps;
struct r300_texture* tex = (struct r300_texture*)dest->texture;
int i;
float r, g, b, a;
r = (float)((color >> 16) & 0xff) / 255.0f;
g = (float)((color >> 8) & 0xff) / 255.0f;
b = (float)((color >> 0) & 0xff) / 255.0f;
debug_printf("r300: Filling surface %p at (%d,%d),"
" dimensions %dx%d (stride %d), color 0x%x\n",
dest, x, y, w, h, dest->stride, color);
/* Fallback? */
if (0) {
debug_printf("r300: Falling back on surface clear...");
void* map = pipe->screen->surface_map(pipe->screen, dest,
PIPE_BUFFER_USAGE_CPU_WRITE);
pipe_fill_rect(map, &dest->block, &dest->stride, x, y, w, h, color);
pipe->screen->surface_unmap(pipe->screen, dest);
return;
}
BEGIN_CS(163 + (caps->is_r500 ? 22 : 14) + (caps->has_tcl ? 4 : 2));
/* Flush PVS. */
OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
OUT_CS_REG(R300_SE_VTE_CNTL, R300_VPORT_X_SCALE_ENA |
R300_VPORT_X_OFFSET_ENA | R300_VPORT_Y_SCALE_ENA |
R300_VPORT_Y_OFFSET_ENA | R300_VPORT_Z_SCALE_ENA |
R300_VPORT_Z_OFFSET_ENA | R300_VTX_W0_FMT);
/* Vertex size. */
OUT_CS_REG(R300_VAP_VTX_SIZE, 0x8);
/* Max and min vertex index clamp. */
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, 0xFFFFFF);
OUT_CS_REG(R300_VAP_VF_MIN_VTX_INDX, 0x0);
/* XXX endian */
OUT_CS_REG(R300_VAP_CNTL_STATUS, R300_VC_NO_SWAP);
OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0, 0x0);
/* XXX magic number not in r300_reg */
OUT_CS_REG(R300_VAP_PSC_SGN_NORM_CNTL, 0xAAAAAAAA);
OUT_CS_REG(R300_VAP_CLIP_CNTL, 0x0);
OUT_CS_REG_SEQ(R300_VAP_GB_VERT_CLIP_ADJ, 4);
OUT_CS_32F(1.0);
OUT_CS_32F(1.0);
OUT_CS_32F(1.0);
OUT_CS_32F(1.0);
/* XXX is this too long? */
OUT_CS_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xFFFF);
OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
R300_GB_LINE_STUFF_ENABLE | R300_GB_TRIANGLE_STUFF_ENABLE);
/* XXX more magic numbers */
OUT_CS_REG(R300_GB_MSPOS0, 0x66666666);
OUT_CS_REG(R300_GB_MSPOS1, 0x66666666);
/* XXX why doesn't classic Mesa write the number of pipes, too? */
OUT_CS_REG(R300_GB_TILE_CONFIG, R300_GB_TILE_ENABLE |
R300_GB_TILE_SIZE_16);
OUT_CS_REG(R300_GB_SELECT, R300_GB_FOG_SELECT_1_1_W);
OUT_CS_REG(R300_GB_AA_CONFIG, 0x0);
/* XXX point tex stuffing */
OUT_CS_REG_SEQ(R300_GA_POINT_S0, 1);
OUT_CS_32F(0.0);
OUT_CS_REG_SEQ(R300_GA_POINT_S1, 1);
OUT_CS_32F(1.0);
OUT_CS_REG(R300_GA_TRIANGLE_STIPPLE, 0x5 |
(0x5 << R300_GA_TRIANGLE_STIPPLE_Y_SHIFT_SHIFT));
/* XXX should this be related to the actual point size? */
OUT_CS_REG(R300_GA_POINT_MINMAX, 0x6 |
(0x1800 << R300_GA_POINT_MINMAX_MAX_SHIFT));
/* XXX this big chunk should be refactored into rs_state */
OUT_CS_REG(R300_GA_LINE_CNTL, 0x00030006);
OUT_CS_REG(R300_GA_LINE_STIPPLE_CONFIG, 0x3BAAAAAB);
OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, 0x00000000);
OUT_CS_REG(R300_GA_LINE_S0, 0x00000000);
OUT_CS_REG(R300_GA_LINE_S1, 0x3F800000);
OUT_CS_REG(R300_GA_ENHANCE, 0x00000002);
OUT_CS_REG(R300_GA_COLOR_CONTROL, 0x0003AAAA);
OUT_CS_REG(R300_GA_SOLID_RG, 0x00000000);
OUT_CS_REG(R300_GA_SOLID_BA, 0x00000000);
OUT_CS_REG(R300_GA_POLY_MODE, 0x00000000);
OUT_CS_REG(R300_GA_ROUND_MODE, 0x00000001);
OUT_CS_REG(R300_GA_OFFSET, 0x00000000);
OUT_CS_REG(R300_GA_FOG_SCALE, 0x3DBF1412);
OUT_CS_REG(R300_GA_FOG_OFFSET, 0x00000000);
OUT_CS_REG(R300_SU_TEX_WRAP, 0x00000000);
OUT_CS_REG(R300_SU_POLY_OFFSET_FRONT_SCALE, 0x00000000);
OUT_CS_REG(R300_SU_POLY_OFFSET_FRONT_OFFSET, 0x00000000);
OUT_CS_REG(R300_SU_POLY_OFFSET_BACK_SCALE, 0x00000000);
OUT_CS_REG(R300_SU_POLY_OFFSET_BACK_OFFSET, 0x00000000);
OUT_CS_REG(R300_SU_POLY_OFFSET_ENABLE, 0x00000000);
OUT_CS_REG(R300_SU_CULL_MODE, 0x00000000);
OUT_CS_REG(R300_SU_DEPTH_SCALE, 0x4B7FFFFF);
OUT_CS_REG(R300_SU_DEPTH_OFFSET, 0x00000000);
OUT_CS_REG(R300_SC_HYPERZ, 0x0000001C);
OUT_CS_REG(R300_SC_EDGERULE, 0x2DA49525);
OUT_CS_REG(R300_FG_FOG_BLEND, 0x00000002);
OUT_CS_REG(R300_FG_FOG_COLOR_R, 0x00000000);
OUT_CS_REG(R300_FG_FOG_COLOR_G, 0x00000000);
OUT_CS_REG(R300_FG_FOG_COLOR_B, 0x00000000);
OUT_CS_REG(R300_FG_DEPTH_SRC, 0x00000000);
OUT_CS_REG(R300_FG_DEPTH_SRC, 0x00000000);
OUT_CS_REG(R300_RB3D_CCTL, 0x00000000);
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0x0000000F);
/* XXX: Oh the wonderful unknown.
* Not writing these 8 regs seems to make no difference at all and seeing
* as how they're not documented, we should leave them out for now.
OUT_CS_REG_SEQ(0x4E54, 8);
for (i = 0; i < 8; i++) {
OUT_CS(0x00000000);
} */
OUT_CS_REG(R300_RB3D_AARESOLVE_CTL, 0x00000000);
OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD, 0x00000000);
OUT_CS_REG(R500_RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD, 0xFFFFFFFF);
OUT_CS_REG(R300_ZB_FORMAT, 0x00000002);
OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT, 0x00000003);
OUT_CS_REG(R300_ZB_BW_CNTL, 0x00000000);
OUT_CS_REG(R300_ZB_DEPTHCLEARVALUE, 0x00000000);
/* XXX Moar unknown that should probably be left out.
OUT_CS_REG(0x4F30, 0x00000000);
OUT_CS_REG(0x4F34, 0x00000000); */
OUT_CS_REG(R300_ZB_HIZ_OFFSET, 0x00000000);
OUT_CS_REG(R300_ZB_HIZ_PITCH, 0x00000000);
if (caps->has_tcl) {
OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0,
(R300_DATA_TYPE_FLOAT_4 << R300_DATA_TYPE_0_SHIFT) |
((R300_LAST_VEC | (1 << R300_DST_VEC_LOC_SHIFT) |
R300_DATA_TYPE_FLOAT_4) << R300_DATA_TYPE_1_SHIFT));
} else {
OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0,
(R300_DATA_TYPE_FLOAT_4 << R300_DATA_TYPE_0_SHIFT) |
((R300_LAST_VEC | (2 << R300_DST_VEC_LOC_SHIFT) |
R300_DATA_TYPE_FLOAT_4) << R300_DATA_TYPE_1_SHIFT));
}
OUT_CS_REG(R300_FG_FOG_BLEND, 0x00000000);
OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_EXT_0, 0xF688F688);
OUT_CS_REG(R300_VAP_VTX_STATE_CNTL, 0x1);
OUT_CS_REG(R300_VAP_VSM_VTX_ASSM, 0x405);
OUT_CS_REG(R300_SE_VTE_CNTL, 0x0000043F);
OUT_CS_REG(R300_VAP_VTX_SIZE, 0x00000008);
OUT_CS_REG(R300_VAP_PSC_SGN_NORM_CNTL, 0xAAAAAAAA);
OUT_CS_REG(R300_VAP_OUTPUT_VTX_FMT_0, 0x00000003);
OUT_CS_REG(R300_VAP_OUTPUT_VTX_FMT_1, 0x00000000);
OUT_CS_REG(R300_TX_ENABLE, 0x0);
/* XXX viewport setup */
OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
OUT_CS_32F(1.0);
OUT_CS_32F((float)x);
OUT_CS_32F(1.0);
OUT_CS_32F((float)y);
OUT_CS_32F(1.0);
OUT_CS_32F(0.0);
if (caps->has_tcl) {
OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE |
R300_PS_UCP_MODE_CLIP_AS_TRIFAN);
}
/* The size of the point we're about to draw, in sixths of pixels */
OUT_CS_REG(R300_GA_POINT_SIZE,
((h * 6) & R300_POINTSIZE_Y_MASK) |
((w * 6) << R300_POINTSIZE_X_SHIFT));
/* XXX */
OUT_CS_REG(R300_SC_CLIP_RULE, 0xaaaa);
/* Pixel scissors */
OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
OUT_CS((x << R300_SCISSORS_X_SHIFT) | (y << R300_SCISSORS_Y_SHIFT));
OUT_CS((w << R300_SCISSORS_X_SHIFT) | (h << R300_SCISSORS_Y_SHIFT));
/* RS block setup */
if (caps->is_r500) {
/* XXX We seem to be in disagreement about how many of these we have
* RS:RS_IP_[0-15] [R/W] 32 bits Access: 8/16/32 MMReg:0x4074-0x40b0
* Now that's from the docs. I don't care what the mesa driver says */
OUT_CS_REG_SEQ(R500_RS_IP_0, 16);
for (i = 0; i < 16; i++) {
OUT_CS((R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_S_SHIFT) |
(R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_T_SHIFT) |
(R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_R_SHIFT) |
(R500_RS_IP_PTR_K1 << R500_RS_IP_TEX_PTR_Q_SHIFT));
}
OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
OUT_CS((1 << R300_IC_COUNT_SHIFT) | R300_HIRES_EN);
OUT_CS(0x00000000);
OUT_CS_REG(R500_RS_INST_0, R500_RS_INST_COL_CN_WRITE);
} else {
OUT_CS_REG_SEQ(R300_RS_IP_0, 8);
for (i = 0; i < 8; i++) {
OUT_CS(R300_RS_SEL_T(R300_RS_SEL_K0) |
R300_RS_SEL_R(R300_RS_SEL_K0) | R300_RS_SEL_Q(R300_RS_SEL_K1));
}
OUT_CS_REG_SEQ(R300_RS_COUNT, 2);
OUT_CS((1 << R300_IC_COUNT_SHIFT) | R300_HIRES_EN);
/* XXX Shouldn't this be 0? */
OUT_CS(1);
OUT_CS_REG(R300_RS_INST_0, R300_RS_INST_COL_CN_WRITE);
}
END_CS;
/* Fragment shader setup */
if (caps->is_r500) {
r500_emit_fragment_shader(r300, &r500_passthrough_fragment_shader);
} else {
r300_emit_fragment_shader(r300, &r300_passthrough_fragment_shader);
}
BEGIN_CS(8 + (caps->has_tcl ? 20 : 2));
OUT_CS_REG_SEQ(R300_US_OUT_FMT_0, 4);
OUT_CS(R300_C0_SEL_B | R300_C1_SEL_G | R300_C2_SEL_R | R300_C3_SEL_A);
OUT_CS(R300_US_OUT_FMT_UNUSED);
OUT_CS(R300_US_OUT_FMT_UNUSED);
OUT_CS(R300_US_OUT_FMT_UNUSED);
OUT_CS_REG(R300_US_W_FMT, R300_W_FMT_W0);
/* XXX these magic numbers should be explained when
* this becomes a cached state object */
if (caps->has_tcl) {
OUT_CS_REG(R300_VAP_CNTL, 0xA |
(0x5 << R300_PVS_NUM_CNTLRS_SHIFT) |
(0xB << R300_VF_MAX_VTX_NUM_SHIFT) |
(caps->num_vert_fpus << R300_PVS_NUM_FPUS_SHIFT));
OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_0, 0x00100000);
OUT_CS_REG(R300_VAP_PVS_CONST_CNTL, 0x00000000);
OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_1, 0x00000001);
/* XXX translate these back into normal instructions */
OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x1);
OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0x0);
OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, 8);
OUT_CS(0x00F00203);
OUT_CS(0x00D10001);
OUT_CS(0x01248001);
OUT_CS(0x00000000);
OUT_CS(0x00F02203);
OUT_CS(0x00D10021);
OUT_CS(0x01248021);
OUT_CS(0x00000000);
} else {
OUT_CS_REG(R300_VAP_CNTL, 0xA |
(0x5 << R300_PVS_NUM_CNTLRS_SHIFT) |
(0x5 << R300_VF_MAX_VTX_NUM_SHIFT) |
(caps->num_vert_fpus << R300_PVS_NUM_FPUS_SHIFT));
}
END_CS;
r300_emit_blend_state(r300, &blend_clear_state);
r300_emit_blend_color_state(r300, &blend_color_clear_state);
r300_emit_dsa_state(r300, &dsa_clear_state);
BEGIN_CS(24);
/* Flush colorbuffer and blend caches. */
OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D |
R300_RB3D_DSTCACHE_CTLSTAT_DC_FINISH_SIGNAL);
OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0, 1);
OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
/* XXX (dest->stride >> 2) should be the buffer width in pixels however,
* this little calculation is only good as long as the buffer is 32bpp */
OUT_CS_REG(R300_RB3D_COLORPITCH0, (dest->stride >> 2) |
R300_COLOR_FORMAT_ARGB8888);
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0x0000000F);
/* XXX Packet3 */
OUT_CS(CP_PACKET3(R200_3D_DRAW_IMMD_2, 8));
OUT_CS(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING |
(1 << R300_PRIM_NUM_VERTICES_SHIFT));
OUT_CS_32F(w / 2.0);
OUT_CS_32F(h / 2.0);
/* XXX this should be the depth value to clear to */
OUT_CS_32F(1.0);
OUT_CS_32F(1.0);
OUT_CS_32F(r);
OUT_CS_32F(g);
OUT_CS_32F(b);
OUT_CS_32F(1.0);
/* XXX figure out why this is 0xA and not 0x2 */
OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT, 0xA);
/* XXX OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE); */
END_CS;
r300->dirty_hw++;
}
void r300_init_surface_functions(struct r300_context* r300)
{
r300->context.surface_fill = r300_surface_fill;
}
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