diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_blit.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_blit.c | 622 |
1 files changed, 622 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_blit.c b/src/mesa/drivers/dri/r300/r300_blit.c new file mode 100644 index 0000000000..2eec27e900 --- /dev/null +++ b/src/mesa/drivers/dri/r300/r300_blit.c @@ -0,0 +1,622 @@ +/* + * 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 "r300_context.h" + +#include "r300_blit.h" +#include "r300_cmdbuf.h" +#include "r300_emit.h" +#include "r300_tex.h" +#include "compiler/radeon_compiler.h" +#include "compiler/radeon_opcodes.h" + +static void vp_ins_outs(struct r300_vertex_program_compiler *c) +{ + c->code->inputs[VERT_ATTRIB_POS] = 0; + c->code->inputs[VERT_ATTRIB_TEX0] = 1; + c->code->outputs[VERT_RESULT_HPOS] = 0; + c->code->outputs[VERT_RESULT_TEX0] = 1; +} + +static void fp_allocate_hw_inputs( + struct r300_fragment_program_compiler * c, + void (*allocate)(void * data, unsigned input, unsigned hwreg), + void * mydata) +{ + allocate(mydata, FRAG_ATTRIB_TEX0, 0); +} + +static void create_vertex_program(struct r300_context *r300) +{ + struct r300_vertex_program_compiler compiler; + struct rc_instruction *inst; + + rc_init(&compiler.Base); + + inst = rc_insert_new_instruction(&compiler.Base, compiler.Base.Program.Instructions.Prev); + inst->U.I.Opcode = RC_OPCODE_MOV; + inst->U.I.DstReg.File = RC_FILE_OUTPUT; + inst->U.I.DstReg.Index = VERT_RESULT_HPOS; + inst->U.I.DstReg.RelAddr = 0; + inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; + inst->U.I.SrcReg[0].Abs = 0; + inst->U.I.SrcReg[0].File = RC_FILE_INPUT; + inst->U.I.SrcReg[0].Index = VERT_ATTRIB_POS; + inst->U.I.SrcReg[0].Negate = 0; + inst->U.I.SrcReg[0].RelAddr = 0; + inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW; + + inst = rc_insert_new_instruction(&compiler.Base, compiler.Base.Program.Instructions.Prev); + inst->U.I.Opcode = RC_OPCODE_MOV; + inst->U.I.DstReg.File = RC_FILE_OUTPUT; + inst->U.I.DstReg.Index = VERT_RESULT_TEX0; + inst->U.I.DstReg.RelAddr = 0; + inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; + inst->U.I.SrcReg[0].Abs = 0; + inst->U.I.SrcReg[0].File = RC_FILE_INPUT; + inst->U.I.SrcReg[0].Index = VERT_ATTRIB_TEX0; + inst->U.I.SrcReg[0].Negate = 0; + inst->U.I.SrcReg[0].RelAddr = 0; + inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW; + + compiler.Base.Program.InputsRead = (1 << VERT_ATTRIB_POS) | (1 << VERT_ATTRIB_TEX0); + compiler.RequiredOutputs = compiler.Base.Program.OutputsWritten = (1 << VERT_RESULT_HPOS) | (1 << VERT_RESULT_TEX0); + compiler.SetHwInputOutput = vp_ins_outs; + compiler.code = &r300->blit.vp_code; + + r3xx_compile_vertex_program(&compiler); +} + +static void create_fragment_program(struct r300_context *r300) +{ + struct r300_fragment_program_compiler compiler; + struct rc_instruction *inst; + + rc_init(&compiler.Base); + + inst = rc_insert_new_instruction(&compiler.Base, compiler.Base.Program.Instructions.Prev); + inst->U.I.Opcode = RC_OPCODE_TEX; + inst->U.I.TexSrcTarget = RC_TEXTURE_2D; + inst->U.I.TexSrcUnit = 0; + inst->U.I.DstReg.File = RC_FILE_OUTPUT; + inst->U.I.DstReg.Index = FRAG_RESULT_COLOR; + inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; + inst->U.I.SrcReg[0].Abs = 0; + inst->U.I.SrcReg[0].File = RC_FILE_INPUT; + inst->U.I.SrcReg[0].Index = FRAG_ATTRIB_TEX0; + inst->U.I.SrcReg[0].Negate = 0; + inst->U.I.SrcReg[0].RelAddr = 0; + inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW; + + compiler.Base.Program.InputsRead = (1 << FRAG_ATTRIB_TEX0); + compiler.OutputColor = FRAG_RESULT_COLOR; + compiler.OutputDepth = FRAG_RESULT_DEPTH; + compiler.is_r500 = (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515); + compiler.code = &r300->blit.fp_code; + compiler.AllocateHwInputs = fp_allocate_hw_inputs; + + r3xx_compile_fragment_program(&compiler); +} + +void r300_blit_init(struct r300_context *r300) +{ + create_vertex_program(r300); + create_fragment_program(r300); +} + +static void r300_emit_tx_setup(struct r300_context *r300, + gl_format mesa_format, + struct radeon_bo *bo, + intptr_t offset, + unsigned width, + unsigned height, + unsigned pitch) +{ + BATCH_LOCALS(&r300->radeon); + + assert(width <= 2048); + assert(height <= 2048); + assert(r300TranslateTexFormat(mesa_format) >= 0); + assert(offset % 32 == 0); + + BEGIN_BATCH(17); + OUT_BATCH_REGVAL(R300_TX_FILTER0_0, + (R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_S_SHIFT) | + (R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_T_SHIFT) | + (R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_R_SHIFT) | + R300_TX_MIN_FILTER_MIP_NONE | + R300_TX_MIN_FILTER_LINEAR | + R300_TX_MAG_FILTER_LINEAR | + (0 << 28)); + OUT_BATCH_REGVAL(R300_TX_FILTER1_0, 0); + OUT_BATCH_REGVAL(R300_TX_SIZE_0, + ((width-1) << R300_TX_WIDTHMASK_SHIFT) | + ((height-1) << R300_TX_HEIGHTMASK_SHIFT) | + (0 << R300_TX_DEPTHMASK_SHIFT) | + (0 << R300_TX_MAX_MIP_LEVEL_SHIFT) | + R300_TX_SIZE_TXPITCH_EN); + + OUT_BATCH_REGVAL(R300_TX_FORMAT_0, r300TranslateTexFormat(mesa_format)); + OUT_BATCH_REGVAL(R300_TX_FORMAT2_0, pitch - 1); + OUT_BATCH_REGSEQ(R300_TX_OFFSET_0, 1); + OUT_BATCH_RELOC(0, bo, offset, RADEON_GEM_DOMAIN_GTT|RADEON_GEM_DOMAIN_VRAM, 0, 0); + + OUT_BATCH_REGSEQ(R300_TX_INVALTAGS, 2); + OUT_BATCH(0); + OUT_BATCH(1); + + END_BATCH(); +} + +#define EASY_US_FORMAT(FMT, C0, C1, C2, C3, SIGN) \ + (FMT | R500_C0_SEL_##C0 | R500_C1_SEL_##C1 | \ + R500_C2_SEL_##C2 | R500_C3_SEL_##C3 | R500_OUT_SIGN(SIGN)) + +static uint32_t mesa_format_to_us_format(gl_format mesa_format) +{ + switch(mesa_format) + { + case MESA_FORMAT_RGBA8888: // x + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, A, B, G, R, 0); + case MESA_FORMAT_RGB565: // x + case MESA_FORMAT_ARGB1555: // x + case MESA_FORMAT_RGBA8888_REV: // x + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, R, G, B, A, 0); + case MESA_FORMAT_ARGB8888: // x + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, B, G, R, A, 0); + case MESA_FORMAT_ARGB8888_REV: + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, A, R, G, B, 0); + case MESA_FORMAT_XRGB8888: + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, A, R, G, B, 0); + + case MESA_FORMAT_RGB332: + return EASY_US_FORMAT(R500_OUT_FMT_C_3_3_2, A, R, G, B, 0); + + case MESA_FORMAT_RGBA_FLOAT32: + return EASY_US_FORMAT(R500_OUT_FMT_C4_32_FP, R, G, B, A, 0); + case MESA_FORMAT_RGBA_FLOAT16: + return EASY_US_FORMAT(R500_OUT_FMT_C4_16_FP, R, G, B, A, 0); + case MESA_FORMAT_ALPHA_FLOAT32: + return EASY_US_FORMAT(R500_OUT_FMT_C_32_FP, A, A, A, A, 0); + case MESA_FORMAT_ALPHA_FLOAT16: + return EASY_US_FORMAT(R500_OUT_FMT_C_16_FP, A, A, A, A, 0); + + case MESA_FORMAT_SIGNED_RGBA8888: + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, R, G, B, A, 0xf); + case MESA_FORMAT_SIGNED_RGBA8888_REV: + return EASY_US_FORMAT(R500_OUT_FMT_C4_8, A, B, G, R, 0xf); + case MESA_FORMAT_SIGNED_RGBA_16: + return EASY_US_FORMAT(R500_OUT_FMT_C4_16, R, G, B, A, 0xf); + + default: + fprintf(stderr, "Unsupported format %s for US output\n", _mesa_get_format_name(mesa_format)); + assert(0); + return 0; + } +} +#undef EASY_US_FORMAT + +static void r500_emit_fp_setup(struct r300_context *r300, + struct r500_fragment_program_code *fp, + gl_format dst_format) +{ + r500_emit_fp(r300, (uint32_t *)fp->inst, (fp->inst_end + 1) * 6, 0, 0, 0); + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH(10); + OUT_BATCH_REGSEQ(R500_US_CODE_ADDR, 3); + OUT_BATCH(R500_US_CODE_START_ADDR(0) | R500_US_CODE_END_ADDR(fp->inst_end)); + OUT_BATCH(R500_US_CODE_RANGE_ADDR(0) | R500_US_CODE_RANGE_SIZE(fp->inst_end)); + OUT_BATCH(0); + OUT_BATCH_REGVAL(R500_US_CONFIG, 0); + OUT_BATCH_REGVAL(R500_US_OUT_FMT_0, mesa_format_to_us_format(dst_format)); + OUT_BATCH_REGVAL(R500_US_PIXSIZE, fp->max_temp_idx); + END_BATCH(); +} + +static void r500_emit_rs_setup(struct r300_context *r300) +{ + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH(7); + OUT_BATCH_REGSEQ(R300_RS_COUNT, 2); + OUT_BATCH((4 << R300_IT_COUNT_SHIFT) | R300_HIRES_EN); + OUT_BATCH(0); + OUT_BATCH_REGVAL(R500_RS_INST_0, + (0 << R500_RS_INST_TEX_ID_SHIFT) | + (0 << R500_RS_INST_TEX_ADDR_SHIFT) | + R500_RS_INST_TEX_CN_WRITE | + R500_RS_INST_COL_CN_NO_WRITE); + OUT_BATCH_REGVAL(R500_RS_IP_0, + (0 << R500_RS_IP_TEX_PTR_S_SHIFT) | + (1 << R500_RS_IP_TEX_PTR_T_SHIFT) | + (2 << R500_RS_IP_TEX_PTR_R_SHIFT) | + (3 << R500_RS_IP_TEX_PTR_Q_SHIFT)); + END_BATCH(); +} + +static void r300_emit_fp_setup(struct r300_context *r300, + struct r300_fragment_program_code *code, + gl_format dst_format) +{ + unsigned i; + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH((code->alu.length + 1) * 4 + code->tex.length + 1 + 11); + + OUT_BATCH_REGSEQ(R300_US_ALU_RGB_INST_0, code->alu.length); + for (i = 0; i < code->alu.length; i++) { + OUT_BATCH(code->alu.inst[i].rgb_inst); + } + OUT_BATCH_REGSEQ(R300_US_ALU_RGB_ADDR_0, code->alu.length); + for (i = 0; i < code->alu.length; i++) { + OUT_BATCH(code->alu.inst[i].rgb_addr); + } + OUT_BATCH_REGSEQ(R300_US_ALU_ALPHA_INST_0, code->alu.length); + for (i = 0; i < code->alu.length; i++) { + OUT_BATCH(code->alu.inst[i].alpha_inst); + } + OUT_BATCH_REGSEQ(R300_US_ALU_ALPHA_ADDR_0, code->alu.length); + for (i = 0; i < code->alu.length; i++) { + OUT_BATCH(code->alu.inst[i].alpha_addr); + } + + OUT_BATCH_REGSEQ(R300_US_TEX_INST_0, code->tex.length); + OUT_BATCH_TABLE(code->tex.inst, code->tex.length); + + OUT_BATCH_REGSEQ(R300_US_CONFIG, 3); + OUT_BATCH(R300_PFS_CNTL_FIRST_NODE_HAS_TEX); + OUT_BATCH(code->pixsize); + OUT_BATCH(code->code_offset); + OUT_BATCH_REGSEQ(R300_US_CODE_ADDR_0, 4); + OUT_BATCH_TABLE(code->code_addr, 4); + OUT_BATCH_REGVAL(R500_US_OUT_FMT_0, mesa_format_to_us_format(dst_format)); + END_BATCH(); +} + +static void r300_emit_rs_setup(struct r300_context *r300) +{ + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH(7); + OUT_BATCH_REGSEQ(R300_RS_COUNT, 2); + OUT_BATCH((4 << R300_IT_COUNT_SHIFT) | R300_HIRES_EN); + OUT_BATCH(0); + OUT_BATCH_REGVAL(R300_RS_INST_0, + R300_RS_INST_TEX_ID(0) | + R300_RS_INST_TEX_ADDR(0) | + R300_RS_INST_TEX_CN_WRITE); + OUT_BATCH_REGVAL(R300_RS_IP_0, + R300_RS_TEX_PTR(0) | + R300_RS_SEL_S(R300_RS_SEL_C0) | + R300_RS_SEL_T(R300_RS_SEL_C1) | + R300_RS_SEL_R(R300_RS_SEL_K0) | + R300_RS_SEL_Q(R300_RS_SEL_K1)); + END_BATCH(); +} + +static void emit_pvs_setup(struct r300_context *r300, + uint32_t *vp_code, + unsigned vp_len) +{ + BATCH_LOCALS(&r300->radeon); + + r300_emit_vpu(r300, vp_code, vp_len * 4, R300_PVS_CODE_START); + + BEGIN_BATCH(4); + OUT_BATCH_REGSEQ(R300_VAP_PVS_CODE_CNTL_0, 3); + OUT_BATCH((0 << R300_PVS_FIRST_INST_SHIFT) | + ((vp_len - 1) << R300_PVS_XYZW_VALID_INST_SHIFT) | + ((vp_len - 1)<< R300_PVS_LAST_INST_SHIFT)); + OUT_BATCH(0); + OUT_BATCH((vp_len - 1) << R300_PVS_LAST_VTX_SRC_INST_SHIFT); + END_BATCH(); +} + +static void emit_vap_setup(struct r300_context *r300) +{ + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH(12); + OUT_BATCH_REGSEQ(R300_SE_VTE_CNTL, 2); + OUT_BATCH(R300_VTX_XY_FMT | R300_VTX_Z_FMT); + OUT_BATCH(4); + + OUT_BATCH_REGVAL(R300_VAP_PSC_SGN_NORM_CNTL, 0xaaaaaaaa); + OUT_BATCH_REGVAL(R300_VAP_PROG_STREAM_CNTL_0, + ((R300_DATA_TYPE_FLOAT_2 | (0 << R300_DST_VEC_LOC_SHIFT)) << 0) | + (((1 << R300_DST_VEC_LOC_SHIFT) | R300_DATA_TYPE_FLOAT_2 | R300_LAST_VEC) << 16)); + OUT_BATCH_REGVAL(R300_VAP_PROG_STREAM_CNTL_EXT_0, + ((((R300_SWIZZLE_SELECT_X << R300_SWIZZLE_SELECT_X_SHIFT) | + (R300_SWIZZLE_SELECT_Y << R300_SWIZZLE_SELECT_Y_SHIFT) | + (R300_SWIZZLE_SELECT_FP_ZERO << R300_SWIZZLE_SELECT_Z_SHIFT) | + (R300_SWIZZLE_SELECT_FP_ONE << R300_SWIZZLE_SELECT_W_SHIFT) | + (0xf << R300_WRITE_ENA_SHIFT) ) << 0) | + (((R300_SWIZZLE_SELECT_X << R300_SWIZZLE_SELECT_X_SHIFT) | + (R300_SWIZZLE_SELECT_Y << R300_SWIZZLE_SELECT_Y_SHIFT) | + (R300_SWIZZLE_SELECT_FP_ZERO << R300_SWIZZLE_SELECT_Z_SHIFT) | + (R300_SWIZZLE_SELECT_FP_ONE << R300_SWIZZLE_SELECT_W_SHIFT) | + (0xf << R300_WRITE_ENA_SHIFT) ) << 16) ) ); + OUT_BATCH_REGSEQ(R300_VAP_OUTPUT_VTX_FMT_0, 2); + OUT_BATCH(R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT); + OUT_BATCH(R300_VAP_OUTPUT_VTX_FMT_1__4_COMPONENTS); + END_BATCH(); +} + +static GLboolean validate_buffers(struct r300_context *r300, + struct radeon_bo *src_bo, + struct radeon_bo *dst_bo) +{ + int ret; + radeon_cs_space_add_persistent_bo(r300->radeon.cmdbuf.cs, + src_bo, RADEON_GEM_DOMAIN_VRAM, 0); + + radeon_cs_space_add_persistent_bo(r300->radeon.cmdbuf.cs, + dst_bo, 0, RADEON_GEM_DOMAIN_VRAM); + + ret = radeon_cs_space_check_with_bo(r300->radeon.cmdbuf.cs, + first_elem(&r300->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 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) + { + float tmp = buf[2]; + buf[2] = 1.0 - buf[3]; + buf[3] = 1.0 - tmp; + } +} + +static void emit_draw_packet(struct r300_context *r300, + 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]; + + calc_tex_coords(src_width, src_height, + src_x_offset, src_y_offset, + reg_width, reg_height, + flip_y, texcoords); + + float verts[] = { dst_x_offset, dst_y_offset, + texcoords[0], texcoords[3], + dst_x_offset, dst_y_offset + reg_height, + texcoords[0], texcoords[2], + dst_x_offset + reg_width, dst_y_offset + reg_height, + texcoords[1], texcoords[2], + dst_x_offset + reg_width, dst_y_offset, + texcoords[1], texcoords[3] }; + + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH(19); + OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_IMMD_2, 16); + OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | + (4 << 16) | R300_VAP_VF_CNTL__PRIM_QUADS); + OUT_BATCH_TABLE(verts, 16); + END_BATCH(); +} + +static void other_stuff(struct r300_context *r300) +{ + BATCH_LOCALS(&r300->radeon); + + BEGIN_BATCH(15); + OUT_BATCH_REGVAL(R300_GA_POLY_MODE, + R300_GA_POLY_MODE_FRONT_PTYPE_TRI | R300_GA_POLY_MODE_BACK_PTYPE_TRI); + OUT_BATCH_REGVAL(R300_SU_CULL_MODE, R300_FRONT_FACE_CCW); + OUT_BATCH_REGVAL(R300_FG_FOG_BLEND, 0); + OUT_BATCH_REGVAL(R300_FG_ALPHA_FUNC, 0); + OUT_BATCH_REGSEQ(R300_RB3D_CBLEND, 2); + OUT_BATCH(0x0); + OUT_BATCH(0x0); + OUT_BATCH_REGVAL(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE); + OUT_BATCH_REGVAL(R300_ZB_CNTL, 0); + END_BATCH(); +} + +static void emit_cb_setup(struct r300_context *r300, + struct radeon_bo *bo, + intptr_t offset, + gl_format mesa_format, + unsigned pitch, + unsigned width, + unsigned height) +{ + BATCH_LOCALS(&r300->radeon); + + unsigned x1, y1, x2, y2; + x1 = 0; + y1 = 0; + x2 = width - 1; + y2 = height - 1; + + if (r300->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV515) { + x1 += R300_SCISSORS_OFFSET; + y1 += R300_SCISSORS_OFFSET; + x2 += R300_SCISSORS_OFFSET; + y2 += R300_SCISSORS_OFFSET; + } + + r300_emit_cb_setup(r300, bo, offset, mesa_format, + _mesa_get_format_bytes(mesa_format), + _mesa_format_row_stride(mesa_format, pitch)); + + BEGIN_BATCH_NO_AUTOSTATE(5); + OUT_BATCH_REGSEQ(R300_SC_SCISSORS_TL, 2); + OUT_BATCH((x1 << R300_SCISSORS_X_SHIFT)|(y1 << R300_SCISSORS_Y_SHIFT)); + OUT_BATCH((x2 << R300_SCISSORS_X_SHIFT)|(y2 << R300_SCISSORS_Y_SHIFT)); + OUT_BATCH_REGVAL(R300_RB3D_CCTL, 0); + END_BATCH(); +} + +/** + * Copy a region of [@a width x @a height] pixels from source buffer + * to destination buffer. + * @param[in] r300 r300 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 + */ +GLboolean r300_blit(struct r300_context *r300, + 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) +{ + if (_mesa_get_format_bits(src_mesaformat, GL_DEPTH_BITS) > 0) + 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 (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(r300->radeon.glCtx); + + if (!validate_buffers(r300, src_bo, dst_bo)) + return GL_FALSE; + + rcommonEnsureCmdBufSpace(&r300->radeon, 200, __FUNCTION__); + + other_stuff(r300); + + r300_emit_tx_setup(r300, src_mesaformat, src_bo, src_offset, src_width, src_height, src_pitch); + + if (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) { + r500_emit_fp_setup(r300, &r300->blit.fp_code.code.r500, dst_mesaformat); + r500_emit_rs_setup(r300); + } else { + r300_emit_fp_setup(r300, &r300->blit.fp_code.code.r300, dst_mesaformat); + r300_emit_rs_setup(r300); + } + + emit_pvs_setup(r300, r300->blit.vp_code.body.d, 2); + emit_vap_setup(r300); + + emit_cb_setup(r300, dst_bo, dst_offset, dst_mesaformat, dst_pitch, dst_width, dst_height); + + emit_draw_packet(r300, src_width, src_height, + src_x_offset, src_y_offset, + dst_x_offset, dst_y_offset, + reg_width, reg_height, + flip_y); + + r300EmitCacheFlush(r300); + + radeonFlush(r300->radeon.glCtx); + + return GL_TRUE; +}
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