From: Corbin Simpson Date: Fri, 9 Jan 2009 12:34:56 +0000 (-0800) Subject: gallium-r300: Add r300_blit. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d6cdb9db259d617ee21f1881c945e2ebaf6693b9;p=mesa.git gallium-r300: Add r300_blit. Count the XXXs and weep? --- diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c new file mode 100644 index 00000000000..c01855defa3 --- /dev/null +++ b/src/gallium/drivers/r300/r300_blit.c @@ -0,0 +1,90 @@ +/* + * Copyright 2008 Corbin Simpson + * + * 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. */ + +/* Does a "paint" into the specified rectangle. + * Returns 1 on success, 0 on error. */ +int r300_fill_blit(struct r300_context* r300, + unsigned cpp, + short dst_pitch, + struct pipe_buffer* dst_buffer, + unsigned dst_offset, + short x, short y, + short w, short h, + unsigned color) +{ + uint32_t dest_type; + + /* Check for fallbacks. */ + /* XXX we can do YUV surfaces, too, but only in 3D mode. Hmm... */ + switch(cpp) { + case 2: + case 6: + dest_type = ATI_DATATYPE_CI8; + break; + case 4: + dest_type = ATI_DATATYPE_RGB565; + break; + case 8: + dest_type = ATI_DATATYPE_ARGB8888; + break; + default: + /* Whatever this is, we can't fill it. (Yet.) */ + return 0; + } + + /* XXX odds are *incredibly* good that we were in 3D just a bit ago, + * so flush here first. */ + + /* Set up the 2D engine. */ + OUT_CS_REG(RADEON_DEFAULT_SC_BOTTOM_RIGHT, + RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX); + /* XXX I have no idea what these flags mean, is this awesome? (y/n) */ + OUT_CS_REG(RADEON_DP_GUI_MASTER_CNTL, + RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dest_type << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + /* XXX is this the right rop? */ + RADEON_ROP3_ONE | + RADEON_GMC_CLR_CMP_CNTL_DIS); + /* XXX pack this? */ + OUT_CS_REG(RADEON_DP_BRUSH_FRGD_CLR, color); + OUT_CS_REG(RADEON_DP_BRUSH_BKGD_CLR, 0x00000000); + OUT_CS_REG(RADEON_DP_SRC_FRGD_CLR, 0xffffffff); + OUT_CS_REG(RADEON_DP_SRC_BKGD_CLR, 0x00000000); + /* XXX what should this be? */ + OUT_CS_REG(RADEON_DP_WRITE_MASK, 0x00000000); + OUT_CS_REG(RADEON_DP_CNTL, + RADEON_DST_X_LEFT_TO_RIGHT | RADEON_DST_Y_TOP_TO_BOTTOM); + OUT_CS_REG(RADEON_DST_PITCH_OFFSET, 0x0); + /* XXX fix this shit -> OUT_RELOC(dst, 0, RADEON_GEM_DOMAIN_VRAM) */ + + /* Do the actual paint. */ + OUT_CS_REG(RADEON_DST_Y_X, (y << 16) | x); + OUT_CS_REG(RADEON_DST_HEIGHT_WIDTH, (h << 16) | w); + + /* Let the 2D engine settle. */ + OUT_CS_REG(RADEON_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL); + OUT_CS_REG(RADEON_WAIT_UNTIL, + RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_DMA_GUI_IDLE); + return 1; +} diff --git a/src/gallium/drivers/r300/r300_blit.h b/src/gallium/drivers/r300/r300_blit.h new file mode 100644 index 00000000000..ac916ca0626 --- /dev/null +++ b/src/gallium/drivers/r300/r300_blit.h @@ -0,0 +1,35 @@ +/* + * Copyright 2008 Corbin Simpson + * + * 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. */ + +#ifndef R300_BLIT_H +#define R300_BLIT_H + +extern int r300_fill_blit(struct r300_context* r300, + unsigned cpp, + short dst_pitch, + struct pipe_buffer *dst_buffer, + unsigned dst_offset, + short x, short y, + short w, short h, + unsigned color); + +#endif /* R300_BLIT_H */ \ No newline at end of file