diff options
Diffstat (limited to 'src/mesa/drivers/dri/r200/r200_blit.c')
| -rw-r--r-- | src/mesa/drivers/dri/r200/r200_blit.c | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_blit.c b/src/mesa/drivers/dri/r200/r200_blit.c new file mode 100644 index 00000000000..e446d532cf7 --- /dev/null +++ b/src/mesa/drivers/dri/r200/r200_blit.c @@ -0,0 +1,407 @@ +/* + * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com> + * + * All Rights Reserved. + * + * 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 the rights to use, copy, modify, merge, publish, + * distribute, sublicense, 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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS 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 "radeon_common.h" +#include "r200_context.h" +#include "r200_blit.h" + +static inline uint32_t cmdpacket0(struct radeon_screen *rscrn, + int reg, int count) +{ + if (count) + return CP_PACKET0(reg, count - 1); + return CP_PACKET2; +} + +/* common formats supported as both textures and render targets */ +static unsigned is_blit_supported(gl_format mesa_format) +{ + /* XXX others? BE/LE? */ + switch (mesa_format) { + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_XRGB8888: + case MESA_FORMAT_RGB565: + case MESA_FORMAT_ARGB4444: + case MESA_FORMAT_ARGB1555: + case MESA_FORMAT_A8: + break; + default: + return 0; + } + + /* ??? */ + if (_mesa_get_format_bits(mesa_format, GL_DEPTH_BITS) > 0) + return 0; + + return 1; +} + +static inline void emit_vtx_state(struct r200_context *r200) +{ + BATCH_LOCALS(&r200->radeon); + + BEGIN_BATCH(14); + if (r200->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL) { + OUT_BATCH_REGVAL(R200_SE_VAP_CNTL_STATUS, 0); + } else { + OUT_BATCH_REGVAL(R200_SE_VAP_CNTL_STATUS, RADEON_TCL_BYPASS); + } + OUT_BATCH_REGVAL(R200_SE_VAP_CNTL, (R200_VAP_FORCE_W_TO_ONE | + (9 << R200_VAP_VF_MAX_VTX_NUM__SHIFT))); + OUT_BATCH_REGVAL(R200_SE_VTX_STATE_CNTL, 0); + OUT_BATCH_REGVAL(R200_SE_VTE_CNTL, 0); + OUT_BATCH_REGVAL(R200_SE_VTX_FMT_0, R200_VTX_XY); + OUT_BATCH_REGVAL(R200_SE_VTX_FMT_1, (2 << R200_VTX_TEX0_COMP_CNT_SHIFT)); + OUT_BATCH_REGVAL(RADEON_SE_CNTL, (RADEON_DIFFUSE_SHADE_GOURAUD | + RADEON_BFACE_SOLID | + RADEON_FFACE_SOLID | + RADEON_VTX_PIX_CENTER_OGL | + RADEON_ROUND_MODE_ROUND | + RADEON_ROUND_PREC_4TH_PIX)); + END_BATCH(); +} + +static void inline emit_tx_setup(struct r200_context *r200, + gl_format mesa_format, + struct radeon_bo *bo, + intptr_t offset, + unsigned width, + unsigned height, + unsigned pitch) +{ + uint32_t txformat = R200_TXFORMAT_NON_POWER2; + BATCH_LOCALS(&r200->radeon); + + assert(width <= 2047); + assert(height <= 2047); + assert(offset % 32 == 0); + + /* XXX others? BE/LE? */ + switch (mesa_format) { + case MESA_FORMAT_ARGB8888: + txformat |= R200_TXFORMAT_ARGB8888 | R200_TXFORMAT_ALPHA_IN_MAP; + break; + case MESA_FORMAT_XRGB8888: + txformat |= R200_TXFORMAT_ARGB8888; + break; + case MESA_FORMAT_RGB565: + txformat |= R200_TXFORMAT_RGB565; + break; + case MESA_FORMAT_ARGB4444: + txformat |= R200_TXFORMAT_ARGB4444 | R200_TXFORMAT_ALPHA_IN_MAP; + break; + case MESA_FORMAT_ARGB1555: + txformat |= R200_TXFORMAT_ARGB1555 | R200_TXFORMAT_ALPHA_IN_MAP; + break; + case MESA_FORMAT_A8: + txformat |= R200_TXFORMAT_I8 | R200_TXFORMAT_ALPHA_IN_MAP; + break; + default: + break; + } + + BEGIN_BATCH(28); + OUT_BATCH_REGVAL(RADEON_PP_CNTL, RADEON_TEX_0_ENABLE | RADEON_TEX_BLEND_0_ENABLE); + OUT_BATCH_REGVAL(R200_PP_CNTL_X, 0); + OUT_BATCH_REGVAL(R200_PP_TXMULTI_CTL_0, 0); + OUT_BATCH_REGVAL(R200_PP_TXCBLEND_0, (R200_TXC_ARG_A_ZERO | + R200_TXC_ARG_B_ZERO | + R200_TXC_ARG_C_R0_COLOR | + R200_TXC_OP_MADD)); + OUT_BATCH_REGVAL(R200_PP_TXCBLEND2_0, R200_TXC_CLAMP_0_1 | R200_TXC_OUTPUT_REG_R0); + OUT_BATCH_REGVAL(R200_PP_TXABLEND_0, (R200_TXA_ARG_A_ZERO | + R200_TXA_ARG_B_ZERO | + R200_TXA_ARG_C_R0_ALPHA | + R200_TXA_OP_MADD)); + OUT_BATCH_REGVAL(R200_PP_TXABLEND2_0, R200_TXA_CLAMP_0_1 | R200_TXA_OUTPUT_REG_R0); + OUT_BATCH_REGVAL(R200_PP_TXFILTER_0, (R200_CLAMP_S_CLAMP_LAST | + R200_CLAMP_T_CLAMP_LAST | + R200_MAG_FILTER_NEAREST | + R200_MIN_FILTER_NEAREST)); + OUT_BATCH_REGVAL(R200_PP_TXFORMAT_0, txformat); + OUT_BATCH_REGVAL(R200_PP_TXFORMAT_X_0, 0); + OUT_BATCH_REGVAL(R200_PP_TXSIZE_0, ((width - 1) | + ((height - 1) << RADEON_TEX_VSIZE_SHIFT))); + OUT_BATCH_REGVAL(R200_PP_TXPITCH_0, pitch * _mesa_get_format_bytes(mesa_format) - 32); + + OUT_BATCH_REGSEQ(R200_PP_TXOFFSET_0, 1); + OUT_BATCH_RELOC(0, bo, 0, RADEON_GEM_DOMAIN_GTT|RADEON_GEM_DOMAIN_VRAM, 0, 0); + + END_BATCH(); +} + +static inline void emit_cb_setup(struct r200_context *r200, + struct radeon_bo *bo, + intptr_t offset, + gl_format mesa_format, + unsigned pitch, + unsigned width, + unsigned height) +{ + uint32_t dst_pitch = pitch; + uint32_t dst_format = 0; + BATCH_LOCALS(&r200->radeon); + + /* XXX others? BE/LE? */ + switch (mesa_format) { + case MESA_FORMAT_ARGB8888: + case MESA_FORMAT_XRGB8888: + dst_format = RADEON_COLOR_FORMAT_ARGB8888; + break; + case MESA_FORMAT_RGB565: + dst_format = RADEON_COLOR_FORMAT_RGB565; + break; + case MESA_FORMAT_ARGB4444: + dst_format = RADEON_COLOR_FORMAT_ARGB4444; + break; + case MESA_FORMAT_ARGB1555: + dst_format = RADEON_COLOR_FORMAT_ARGB1555; + break; + case MESA_FORMAT_A8: + dst_format = RADEON_COLOR_FORMAT_RGB8; + break; + default: + break; + } + + BEGIN_BATCH_NO_AUTOSTATE(22); + OUT_BATCH_REGVAL(R200_RE_AUX_SCISSOR_CNTL, 0); + OUT_BATCH_REGVAL(R200_RE_CNTL, 0); + OUT_BATCH_REGVAL(RADEON_RE_TOP_LEFT, 0); + OUT_BATCH_REGVAL(RADEON_RE_WIDTH_HEIGHT, ((width << RADEON_RE_WIDTH_SHIFT) | + (height << RADEON_RE_HEIGHT_SHIFT))); + OUT_BATCH_REGVAL(RADEON_RB3D_PLANEMASK, 0xffffffff); + OUT_BATCH_REGVAL(RADEON_RB3D_BLENDCNTL, RADEON_SRC_BLEND_GL_ONE | RADEON_DST_BLEND_GL_ZERO); + OUT_BATCH_REGVAL(RADEON_RB3D_CNTL, dst_format); + + OUT_BATCH_REGSEQ(RADEON_RB3D_COLOROFFSET, 1); + OUT_BATCH_RELOC(0, bo, 0, 0, RADEON_GEM_DOMAIN_GTT|RADEON_GEM_DOMAIN_VRAM, 0); + OUT_BATCH_REGSEQ(RADEON_RB3D_COLORPITCH, 1); + OUT_BATCH_RELOC(dst_pitch, bo, dst_pitch, 0, RADEON_GEM_DOMAIN_GTT|RADEON_GEM_DOMAIN_VRAM, 0); + + END_BATCH(); +} + +static GLboolean validate_buffers(struct r200_context *r200, + struct radeon_bo *src_bo, + struct radeon_bo *dst_bo) +{ + int ret; + radeon_cs_space_add_persistent_bo(r200->radeon.cmdbuf.cs, + src_bo, RADEON_GEM_DOMAIN_VRAM, 0); + + radeon_cs_space_add_persistent_bo(r200->radeon.cmdbuf.cs, + dst_bo, 0, RADEON_GEM_DOMAIN_VRAM); + + ret = radeon_cs_space_check_with_bo(r200->radeon.cmdbuf.cs, + first_elem(&r200->radeon.dma.reserved)->bo, + RADEON_GEM_DOMAIN_GTT, 0); + if (ret) + return GL_FALSE; + + return GL_TRUE; +} + +/** + * Calculate texcoords for given image region. + * Output values are [minx, maxx, miny, maxy] + */ +static inline void calc_tex_coords(float img_width, float img_height, + float x, float y, + float reg_width, float reg_height, + unsigned flip_y, float *buf) +{ + buf[0] = x / img_width; + buf[1] = buf[0] + reg_width / img_width; + buf[2] = y / img_height; + buf[3] = buf[2] + reg_height / img_height; + if (flip_y) + { + buf[2] = 1.0 - buf[2]; + buf[3] = 1.0 - buf[3]; + } +} + +static inline void emit_draw_packet(struct r200_context *r200, + unsigned src_width, unsigned src_height, + unsigned src_x_offset, unsigned src_y_offset, + unsigned dst_x_offset, unsigned dst_y_offset, + unsigned reg_width, unsigned reg_height, + unsigned flip_y) +{ + float texcoords[4]; + float verts[12]; + BATCH_LOCALS(&r200->radeon); + + calc_tex_coords(src_width, src_height, + src_x_offset, src_y_offset, + reg_width, reg_height, + flip_y, texcoords); + + verts[0] = dst_x_offset; + verts[1] = dst_y_offset + reg_height; + verts[2] = texcoords[0]; + verts[3] = texcoords[3]; + + verts[4] = dst_x_offset + reg_width; + verts[5] = dst_y_offset + reg_height; + verts[6] = texcoords[1]; + verts[7] = texcoords[3]; + + verts[8] = dst_x_offset + reg_width; + verts[9] = dst_y_offset; + verts[10] = texcoords[1]; + verts[11] = texcoords[2]; + + BEGIN_BATCH(14); + OUT_BATCH(R200_CP_CMD_3D_DRAW_IMMD_2 | (12 << 16)); + OUT_BATCH(RADEON_CP_VC_CNTL_PRIM_WALK_RING | + RADEON_CP_VC_CNTL_PRIM_TYPE_RECT_LIST | + (3 << 16)); + OUT_BATCH_TABLE(verts, 12); + END_BATCH(); +} + +/** + * Copy a region of [@a width x @a height] pixels from source buffer + * to destination buffer. + * @param[in] r200 r200 context + * @param[in] src_bo source radeon buffer object + * @param[in] src_offset offset of the source image in the @a src_bo + * @param[in] src_mesaformat source image format + * @param[in] src_pitch aligned source image width + * @param[in] src_width source image width + * @param[in] src_height source image height + * @param[in] src_x_offset x offset in the source image + * @param[in] src_y_offset y offset in the source image + * @param[in] dst_bo destination radeon buffer object + * @param[in] dst_offset offset of the destination image in the @a dst_bo + * @param[in] dst_mesaformat destination image format + * @param[in] dst_pitch aligned destination image width + * @param[in] dst_width destination image width + * @param[in] dst_height destination image height + * @param[in] dst_x_offset x offset in the destination image + * @param[in] dst_y_offset y offset in the destination image + * @param[in] width region width + * @param[in] height region height + * @param[in] flip_y set if y coords of the source image need to be flipped + */ +unsigned r200_blit(GLcontext *ctx, + struct radeon_bo *src_bo, + intptr_t src_offset, + gl_format src_mesaformat, + unsigned src_pitch, + unsigned src_width, + unsigned src_height, + unsigned src_x_offset, + unsigned src_y_offset, + struct radeon_bo *dst_bo, + intptr_t dst_offset, + gl_format dst_mesaformat, + unsigned dst_pitch, + unsigned dst_width, + unsigned dst_height, + unsigned dst_x_offset, + unsigned dst_y_offset, + unsigned reg_width, + unsigned reg_height, + unsigned flip_y) +{ + struct r200_context *r200 = R200_CONTEXT(ctx); + + if (!is_blit_supported(dst_mesaformat)) + return GL_FALSE; + + /* Make sure that colorbuffer has even width - hw limitation */ + if (dst_pitch % 2 > 0) + ++dst_pitch; + + /* Rendering to small buffer doesn't work. + * Looks like a hw limitation. + */ + if (dst_pitch < 32) + return GL_FALSE; + + /* Need to clamp the region size to make sure + * we don't read outside of the source buffer + * or write outside of the destination buffer. + */ + if (reg_width + src_x_offset > src_width) + reg_width = src_width - src_x_offset; + if (reg_height + src_y_offset > src_height) + reg_height = src_height - src_y_offset; + if (reg_width + dst_x_offset > dst_width) + reg_width = dst_width - dst_x_offset; + if (reg_height + dst_y_offset > dst_height) + reg_height = dst_height - dst_y_offset; + + if (src_bo == dst_bo) { + return GL_FALSE; + } + + if (src_offset % 32 || dst_offset % 32) { + return GL_FALSE; + } + + if (0) { + fprintf(stderr, "src: size [%d x %d], pitch %d, " + "offset [%d x %d], format %s, bo %p\n", + src_width, src_height, src_pitch, + src_x_offset, src_y_offset, + _mesa_get_format_name(src_mesaformat), + src_bo); + fprintf(stderr, "dst: pitch %d, offset[%d x %d], format %s, bo %p\n", + dst_pitch, dst_x_offset, dst_y_offset, + _mesa_get_format_name(dst_mesaformat), dst_bo); + fprintf(stderr, "region: %d x %d\n", reg_width, reg_height); + } + + /* Flush is needed to make sure that source buffer has correct data */ + radeonFlush(r200->radeon.glCtx); + + rcommonEnsureCmdBufSpace(&r200->radeon, 78, __FUNCTION__); + + if (!validate_buffers(r200, src_bo, dst_bo)) + return GL_FALSE; + + /* 14 */ + emit_vtx_state(r200); + /* 28 */ + emit_tx_setup(r200, src_mesaformat, src_bo, src_offset, src_width, src_height, src_pitch); + /* 22 */ + emit_cb_setup(r200, dst_bo, dst_offset, dst_mesaformat, dst_pitch, dst_width, dst_height); + /* 14 */ + emit_draw_packet(r200, src_width, src_height, + src_x_offset, src_y_offset, + dst_x_offset, dst_y_offset, + reg_width, reg_height, + flip_y); + + radeonFlush(ctx); + + return GL_TRUE; +} |