diff options
Diffstat (limited to 'src/gallium/auxiliary/draw')
| -rw-r--r-- | src/gallium/auxiliary/draw/Makefile | 39 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/SConscript | 31 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_aaline.c | 832 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_aapoint.c | 875 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_context.c | 32 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_context.h | 27 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_prim.c | 9 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_private.h | 29 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_pstipple.c | 717 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_validate.c | 19 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vertex_cache.c | 60 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vertex_shader.c | 7 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vf.c | 10 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vf_sse.c | 11 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_llvm.c | 2 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_sse.c | 2 | ||||
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_wide_prims.c | 69 |
17 files changed, 2645 insertions, 126 deletions
diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile index fe9b150f30..c9980f0b83 100644 --- a/src/gallium/auxiliary/draw/Makefile +++ b/src/gallium/auxiliary/draw/Makefile @@ -1,2 +1,37 @@ -default: - cd ../../../mesa ; make +TOP = ../../../.. +include $(TOP)/configs/current + +LIBNAME = draw + +C_SOURCES = \ + draw_aaline.c \ + draw_aapoint.c \ + draw_clip.c \ + draw_vs_exec.c \ + draw_vs_sse.c \ + draw_vs_llvm.c \ + draw_context.c\ + draw_cull.c \ + draw_debug.c \ + draw_flatshade.c \ + draw_offset.c \ + draw_prim.c \ + draw_pstipple.c \ + draw_stipple.c \ + draw_twoside.c \ + draw_unfilled.c \ + draw_validate.c \ + draw_vbuf.c \ + draw_vertex.c \ + draw_vertex_cache.c \ + draw_vertex_fetch.c \ + draw_vertex_shader.c \ + draw_vf.c \ + draw_vf_generic.c \ + draw_vf_sse.c \ + draw_wide_prims.c + +include ../../Makefile.template + +symlinks: + diff --git a/src/gallium/auxiliary/draw/SConscript b/src/gallium/auxiliary/draw/SConscript new file mode 100644 index 0000000000..8e3a8caa74 --- /dev/null +++ b/src/gallium/auxiliary/draw/SConscript @@ -0,0 +1,31 @@ +Import('*') + +draw = env.ConvenienceLibrary( + target = 'draw', + source = [ + 'draw_clip.c', + 'draw_vs_exec.c', + 'draw_vs_sse.c', + 'draw_vs_llvm.c', + 'draw_context.c', + 'draw_cull.c', + 'draw_debug.c', + 'draw_flatshade.c', + 'draw_offset.c', + 'draw_prim.c', + 'draw_stipple.c', + 'draw_twoside.c', + 'draw_unfilled.c', + 'draw_validate.c', + 'draw_vbuf.c', + 'draw_vertex.c', + 'draw_vertex_cache.c', + 'draw_vertex_fetch.c', + 'draw_vertex_shader.c', + 'draw_vf.c', + 'draw_vf_generic.c', + 'draw_vf_sse.c', + 'draw_wide_prims.c', + ]) + +auxiliaries.insert(0, draw) diff --git a/src/gallium/auxiliary/draw/draw_aaline.c b/src/gallium/auxiliary/draw/draw_aaline.c new file mode 100644 index 0000000000..73a02a32e4 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_aaline.c @@ -0,0 +1,832 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +/** + * AA line stage: AA lines are converted to texture mapped triangles. + * + * Authors: Brian Paul + */ + + +#include "pipe/p_util.h" +#include "pipe/p_inlines.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" + +#include "tgsi/util/tgsi_transform.h" +#include "tgsi/util/tgsi_dump.h" + +#include "draw_context.h" +#include "draw_private.h" + + +/** + * Max texture level for the alpha texture used for antialiasing + */ +#define MAX_TEXTURE_LEVEL 5 /* 32 x 32 */ + + +/** + * Subclass of pipe_shader_state to carry extra fragment shader info. + */ +struct aaline_fragment_shader +{ + struct pipe_shader_state state; + void *driver_fs; + void *aaline_fs; + void *aapoint_fs; /* not yet */ + void *sprite_fs; /* not yet */ +}; + + +/** + * Subclass of draw_stage + */ +struct aaline_stage +{ + struct draw_stage stage; + + float half_line_width; + + /** For AA lines, this is the vertex attrib slot for the new texcoords */ + uint tex_slot; + + void *sampler_cso; + struct pipe_texture *texture; + uint sampler_unit; + + + /* + * Currently bound state + */ + struct aaline_fragment_shader *fs; + struct { + void *sampler[PIPE_MAX_SAMPLERS]; + struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; + } state; + + /* + * Driver interface/override functions + */ + void * (*driver_create_fs_state)(struct pipe_context *, + const struct pipe_shader_state *); + void (*driver_bind_fs_state)(struct pipe_context *, void *); + void (*driver_delete_fs_state)(struct pipe_context *, void *); + + void (*driver_bind_sampler_state)(struct pipe_context *, unsigned, void *); + + void (*driver_set_sampler_texture)(struct pipe_context *, + unsigned sampler, + struct pipe_texture *); + + struct pipe_context *pipe; +}; + + + +/** + * Subclass of tgsi_transform_context, used for transforming the + * user's fragment shader to add the special AA instructions. + */ +struct aa_transform_context { + struct tgsi_transform_context base; + uint tempsUsed; /**< bitmask */ + int colorOutput; /**< which output is the primary color */ + int maxSampler; /**< max sampler index found */ + int maxInput, maxGeneric; /**< max input index found */ + int colorTemp, texTemp; /**< temp registers */ + boolean firstInstruction; +}; + + +/** + * TGSI declaration transform callback. + * Look for a free sampler, a free input attrib, and two free temp regs. + */ +static void +aa_transform_decl(struct tgsi_transform_context *ctx, + struct tgsi_full_declaration *decl) +{ + struct aa_transform_context *aactx = (struct aa_transform_context *) ctx; + + if (decl->Declaration.File == TGSI_FILE_OUTPUT && + decl->Semantic.SemanticName == TGSI_SEMANTIC_COLOR && + decl->Semantic.SemanticIndex == 0) { + aactx->colorOutput = decl->u.DeclarationRange.First; + } + else if (decl->Declaration.File == TGSI_FILE_SAMPLER) { + if ((int) decl->u.DeclarationRange.Last > aactx->maxSampler) + aactx->maxSampler = decl->u.DeclarationRange.Last + 1; + } + else if (decl->Declaration.File == TGSI_FILE_INPUT) { + if ((int) decl->u.DeclarationRange.Last > aactx->maxInput) + aactx->maxInput = decl->u.DeclarationRange.Last; + if (decl->Semantic.SemanticName == TGSI_SEMANTIC_GENERIC && + (int) decl->Semantic.SemanticIndex > aactx->maxGeneric) { + aactx->maxGeneric = decl->Semantic.SemanticIndex; + } + } + else if (decl->Declaration.File == TGSI_FILE_TEMPORARY) { + uint i; + for (i = decl->u.DeclarationRange.First; + i <= decl->u.DeclarationRange.Last; i++) { + aactx->tempsUsed |= (1 << i); + } + } + + ctx->emit_declaration(ctx, decl); +} + + +/** + * TGSI instruction transform callback. + * Replace writes to result.color w/ a temp reg. + * Upon END instruction, insert texture sampling code for antialiasing. + */ +static void +aa_transform_inst(struct tgsi_transform_context *ctx, + struct tgsi_full_instruction *inst) +{ + struct aa_transform_context *aactx = (struct aa_transform_context *) ctx; + + if (aactx->firstInstruction) { + /* emit our new declarations before the first instruction */ + + struct tgsi_full_declaration decl; + uint i; + + /* find two free temp regs */ + for (i = 0; i < 32; i++) { + if ((aactx->tempsUsed & (1 << i)) == 0) { + /* found a free temp */ + if (aactx->colorTemp < 0) + aactx->colorTemp = i; + else if (aactx->texTemp < 0) + aactx->texTemp = i; + else + break; + } + } + assert(aactx->colorTemp >= 0); + assert(aactx->texTemp >= 0); + + /* declare new generic input/texcoord */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_INPUT; + decl.Declaration.Semantic = 1; + decl.Semantic.SemanticName = TGSI_SEMANTIC_GENERIC; + decl.Semantic.SemanticIndex = aactx->maxGeneric + 1; + decl.Declaration.Interpolate = 1; + /* XXX this could be linear... */ + decl.Interpolation.Interpolate = TGSI_INTERPOLATE_PERSPECTIVE; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = aactx->maxInput + 1; + ctx->emit_declaration(ctx, &decl); + + /* declare new sampler */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_SAMPLER; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = aactx->maxSampler + 1; + ctx->emit_declaration(ctx, &decl); + + /* declare new temp regs */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = aactx->texTemp; + ctx->emit_declaration(ctx, &decl); + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = aactx->colorTemp; + ctx->emit_declaration(ctx, &decl); + + aactx->firstInstruction = FALSE; + } + + if (inst->Instruction.Opcode == TGSI_OPCODE_END && + aactx->colorOutput != -1) { + struct tgsi_full_instruction newInst; + + /* TEX */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_TEX; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = aactx->texTemp; + newInst.Instruction.NumSrcRegs = 2; + newInst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[0].SrcRegister.Index = aactx->maxInput + 1; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + newInst.FullSrcRegisters[1].SrcRegister.Index = aactx->maxSampler + 1; + + ctx->emit_instruction(ctx, &newInst); + + /* MOV rgb */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MOV; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT; + newInst.FullDstRegisters[0].DstRegister.Index = aactx->colorOutput; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_XYZ; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = aactx->colorTemp; + ctx->emit_instruction(ctx, &newInst); + + /* MUL alpha */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MUL; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT; + newInst.FullDstRegisters[0].DstRegister.Index = aactx->colorOutput; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_W; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = aactx->colorTemp; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[1].SrcRegister.Index = aactx->texTemp; + ctx->emit_instruction(ctx, &newInst); + + /* END */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_END; + newInst.Instruction.NumDstRegs = 0; + newInst.Instruction.NumSrcRegs = 0; + ctx->emit_instruction(ctx, &newInst); + } + else { + /* Not an END instruction. + * Look for writes to result.color and replace with colorTemp reg. + */ + uint i; + + for (i = 0; i < inst->Instruction.NumDstRegs; i++) { + struct tgsi_full_dst_register *dst = &inst->FullDstRegisters[i]; + if (dst->DstRegister.File == TGSI_FILE_OUTPUT && + dst->DstRegister.Index == aactx->colorOutput) { + dst->DstRegister.File = TGSI_FILE_TEMPORARY; + dst->DstRegister.Index = aactx->colorTemp; + } + } + + ctx->emit_instruction(ctx, inst); + } +} + + +/** + * Generate the frag shader we'll use for drawing AA lines. + * This will be the user's shader plus some texture/modulate instructions. + */ +static void +generate_aaline_fs(struct aaline_stage *aaline) +{ + const struct pipe_shader_state *orig_fs = &aaline->fs->state; + struct draw_context *draw = aaline->stage.draw; + struct pipe_shader_state aaline_fs; + struct aa_transform_context transform; + +#define MAX 1000 + + aaline_fs = *orig_fs; /* copy to init */ + aaline_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX); + + memset(&transform, 0, sizeof(transform)); + transform.colorOutput = -1; + transform.maxSampler = -1; + transform.maxInput = -1; + transform.maxGeneric = -1; + transform.colorTemp = -1; + transform.texTemp = -1; + transform.firstInstruction = TRUE; + transform.base.transform_instruction = aa_transform_inst; + transform.base.transform_declaration = aa_transform_decl; + + tgsi_transform_shader(orig_fs->tokens, + (struct tgsi_token *) aaline_fs.tokens, + MAX, &transform.base); + +#if 0 /* DEBUG */ + tgsi_dump(orig_fs->tokens, 0); + tgsi_dump(aaline_fs.tokens, 0); +#endif + + aaline_fs.input_semantic_name[aaline_fs.num_inputs] = TGSI_SEMANTIC_GENERIC; + aaline_fs.input_semantic_index[aaline_fs.num_inputs] = transform.maxGeneric + 1; + aaline_fs.num_inputs++; + + aaline->fs->aaline_fs + = aaline->driver_create_fs_state(aaline->pipe, &aaline_fs); + + /* advertise the extra post-transform vertex attributes which will have + * the texcoords. + */ + draw->extra_vp_outputs.semantic_name = TGSI_SEMANTIC_GENERIC; + draw->extra_vp_outputs.semantic_index = transform.maxGeneric + 1; +} + + +/** + * Create the texture map we'll use for antialiasing the lines. + */ +static void +aaline_create_texture(struct aaline_stage *aaline) +{ + struct pipe_context *pipe = aaline->pipe; + struct pipe_texture texTemp; + uint level; + + memset(&texTemp, 0, sizeof(texTemp)); + texTemp.target = PIPE_TEXTURE_2D; + texTemp.format = PIPE_FORMAT_U_A8; /* XXX verify supported by driver! */ + texTemp.last_level = MAX_TEXTURE_LEVEL; + texTemp.width[0] = 1 << MAX_TEXTURE_LEVEL; + texTemp.height[0] = 1 << MAX_TEXTURE_LEVEL; + texTemp.depth[0] = 1; + texTemp.cpp = 1; + + aaline->texture = pipe->texture_create(pipe, &texTemp); + + /* Fill in mipmap images. + * Basically each level is solid opaque, except for the outermost + * texels which are zero. Special case the 1x1 and 2x2 levels. + */ + for (level = 0; level <= MAX_TEXTURE_LEVEL; level++) { + struct pipe_surface *surface; + const uint size = aaline->texture->width[level]; + ubyte *data; + uint i, j; + + assert(aaline->texture->width[level] == aaline->texture->height[level]); + + surface = pipe->get_tex_surface(pipe, aaline->texture, 0, level, 0); + data = pipe_surface_map(surface); + + for (i = 0; i < size; i++) { + for (j = 0; j < size; j++) { + ubyte d; + if (size == 1) { + d = 255; + } + else if (size == 2) { + d = 200; /* tuneable */ + } + else if (i == 0 || j == 0 || i == size - 1 || j == size - 1) { + d = 0; + } + else { + d = 255; + } + data[i * surface->pitch + j] = d; + } + } + + /* unmap */ + pipe_surface_unmap(surface); + pipe_surface_reference(&surface, NULL); + } +} + + +/** + * Create the sampler CSO that'll be used for antialiasing. + * By using a mipmapped texture, we don't have to generate a different + * texture image for each line size. + */ +static void +aaline_create_sampler(struct aaline_stage *aaline) +{ + struct pipe_sampler_state sampler; + struct pipe_context *pipe = aaline->pipe; + + memset(&sampler, 0, sizeof(sampler)); + sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_LINEAR; + sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.normalized_coords = 1; + sampler.min_lod = 0.0f; + sampler.max_lod = MAX_TEXTURE_LEVEL; + + aaline->sampler_cso = pipe->create_sampler_state(pipe, &sampler); +} + + +/** + * When we're about to draw our first AA line in a batch, this function is + * called to tell the driver to bind our modified fragment shader. + */ +static void +bind_aaline_fragment_shader(struct aaline_stage *aaline) +{ + if (!aaline->fs->aaline_fs) { + generate_aaline_fs(aaline); + } + aaline->driver_bind_fs_state(aaline->pipe, aaline->fs->aaline_fs); +} + + + +static INLINE struct aaline_stage * +aaline_stage( struct draw_stage *stage ) +{ + return (struct aaline_stage *) stage; +} + + +static void +passthrough_point(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->point(stage->next, header); +} + + +static void +passthrough_tri(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->tri(stage->next, header); +} + + +/** + * Draw a wide line by drawing a quad, using geometry which will + * fullfill GL's antialiased line requirements. + */ +static void +aaline_line(struct draw_stage *stage, struct prim_header *header) +{ + const struct aaline_stage *aaline = aaline_stage(stage); + const float half_width = aaline->half_line_width; + struct prim_header tri; + struct vertex_header *v[8]; + uint texPos = aaline->tex_slot; + float *pos, *tex; + float dx = header->v[1]->data[0][0] - header->v[0]->data[0][0]; + float dy = header->v[1]->data[0][1] - header->v[0]->data[0][1]; + double a = atan2(dy, dx); + float c_a = (float) cos(a), s_a = (float) sin(a); + uint i; + + /* XXX the ends of lines aren't quite perfect yet, but probably passable */ + dx = 0.5F * half_width; + dy = half_width; + + /* allocate/dup new verts */ + for (i = 0; i < 8; i++) { + v[i] = dup_vert(stage, header->v[i/4], i); + } + + /* + * Quad strip for line from v0 to v1 (*=endpoints): + * + * 1 3 5 7 + * +---+---------------------+---+ + * | | + * | *v0 v1* | + * | | + * +---+---------------------+---+ + * 0 2 4 6 + */ + + /* new verts */ + pos = v[0]->data[0]; + pos[0] += (-dx * c_a - dy * s_a); + pos[1] += (-dx * s_a + dy * c_a); + + pos = v[1]->data[0]; + pos[0] += (-dx * c_a - -dy * s_a); + pos[1] += (-dx * s_a + -dy * c_a); + + pos = v[2]->data[0]; + pos[0] += ( dx * c_a - dy * s_a); + pos[1] += ( dx * s_a + dy * c_a); + + pos = v[3]->data[0]; + pos[0] += ( dx * c_a - -dy * s_a); + pos[1] += ( dx * s_a + -dy * c_a); + + pos = v[4]->data[0]; + pos[0] += (-dx * c_a - dy * s_a); + pos[1] += (-dx * s_a + dy * c_a); + + pos = v[5]->data[0]; + pos[0] += (-dx * c_a - -dy * s_a); + pos[1] += (-dx * s_a + -dy * c_a); + + pos = v[6]->data[0]; + pos[0] += ( dx * c_a - dy * s_a); + pos[1] += ( dx * s_a + dy * c_a); + + pos = v[7]->data[0]; + pos[0] += ( dx * c_a - -dy * s_a); + pos[1] += ( dx * s_a + -dy * c_a); + + /* new texcoords */ + tex = v[0]->data[texPos]; + ASSIGN_4V(tex, 0, 0, 0, 1); + + tex = v[1]->data[texPos]; + ASSIGN_4V(tex, 0, 1, 0, 1); + + tex = v[2]->data[texPos]; + ASSIGN_4V(tex, .5, 0, 0, 1); + + tex = v[3]->data[texPos]; + ASSIGN_4V(tex, .5, 1, 0, 1); + + tex = v[4]->data[texPos]; + ASSIGN_4V(tex, .5, 0, 0, 1); + + tex = v[5]->data[texPos]; + ASSIGN_4V(tex, .5, 1, 0, 1); + + tex = v[6]->data[texPos]; + ASSIGN_4V(tex, 1, 0, 0, 1); + + tex = v[7]->data[texPos]; + ASSIGN_4V(tex, 1, 1, 0, 1); + + /* emit 6 tris for the quad strip */ + tri.v[0] = v[2]; tri.v[1] = v[1]; tri.v[2] = v[0]; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v[3]; tri.v[1] = v[1]; tri.v[2] = v[2]; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v[4]; tri.v[1] = v[3]; tri.v[2] = v[2]; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v[5]; tri.v[1] = v[3]; tri.v[2] = v[4]; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v[6]; tri.v[1] = v[5]; tri.v[2] = v[4]; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v[7]; tri.v[1] = v[5]; tri.v[2] = v[6]; + stage->next->tri( stage->next, &tri ); +} + + +static void +aaline_first_line(struct draw_stage *stage, struct prim_header *header) +{ + auto struct aaline_stage *aaline = aaline_stage(stage); + struct draw_context *draw = stage->draw; + struct pipe_context *pipe = aaline->pipe; + + assert(draw->rasterizer->line_smooth); + + if (draw->rasterizer->line_width <= 3.0) + aaline->half_line_width = 1.5f; + else + aaline->half_line_width = 0.5f * draw->rasterizer->line_width; + + aaline->tex_slot = draw->num_vs_outputs; + assert(aaline->tex_slot > 0); /* output[0] is vertex pos */ + draw->extra_vp_outputs.slot = aaline->tex_slot; + + /* + * Bind our fragprog, sampler and texture + */ + bind_aaline_fragment_shader(aaline); + + aaline->driver_bind_sampler_state(pipe, aaline->sampler_unit, aaline->sampler_cso); + aaline->driver_set_sampler_texture(pipe, aaline->sampler_unit, aaline->texture); + + /* now really draw first line */ + stage->line = aaline_line; + stage->line(stage, header); +} + + +static void +aaline_flush(struct draw_stage *stage, unsigned flags) +{ + struct draw_context *draw = stage->draw; + struct aaline_stage *aaline = aaline_stage(stage); + struct pipe_context *pipe = aaline->pipe; + + stage->line = aaline_first_line; + stage->next->flush( stage->next, flags ); + + /* restore original frag shader */ + aaline->driver_bind_fs_state(pipe, aaline->fs->driver_fs); + + /* XXX restore original texture, sampler state */ + aaline->driver_bind_sampler_state(pipe, aaline->sampler_unit, + aaline->state.sampler[aaline->sampler_unit]); + aaline->driver_set_sampler_texture(pipe, aaline->sampler_unit, + aaline->state.texture[aaline->sampler_unit]); + + draw->extra_vp_outputs.slot = 0; +} + + +static void +aaline_reset_stipple_counter(struct draw_stage *stage) +{ + stage->next->reset_stipple_counter( stage->next ); +} + + +static void +aaline_destroy(struct draw_stage *stage) +{ + draw_free_temp_verts( stage ); + FREE( stage ); +} + + +static struct aaline_stage * +draw_aaline_stage(struct draw_context *draw) +{ + struct aaline_stage *aaline = CALLOC_STRUCT(aaline_stage); + + draw_alloc_temp_verts( &aaline->stage, 8 ); + + aaline->stage.draw = draw; + aaline->stage.next = NULL; + aaline->stage.point = passthrough_point; + aaline->stage.line = aaline_first_line; + aaline->stage.tri = passthrough_tri; + aaline->stage.flush = aaline_flush; + aaline->stage.reset_stipple_counter = aaline_reset_stipple_counter; + aaline->stage.destroy = aaline_destroy; + + return aaline; +} + + +/* + * XXX temporary? solution to mapping a pipe_context to a aaline_stage. + */ + +#define MAX_CONTEXTS 10 + +static struct pipe_context *Pipe[MAX_CONTEXTS]; +static struct aaline_stage *Stage[MAX_CONTEXTS]; +static uint NumContexts; + +static void +add_aa_pipe_context(struct pipe_context *pipe, struct aaline_stage *aa) +{ + assert(NumContexts < MAX_CONTEXTS); + Pipe[NumContexts] = pipe; + Stage[NumContexts] = aa; + NumContexts++; +} + +static struct aaline_stage * +aaline_stage_from_pipe(struct pipe_context *pipe) +{ + uint i; + for (i = 0; i < NumContexts; i++) { + if (Pipe[i] == pipe) + return Stage[i]; + } + assert(0); + return NULL; +} + + +/** + * This function overrides the driver's create_fs_state() function and + * will typically be called by the state tracker. + */ +static void * +aaline_create_fs_state(struct pipe_context *pipe, + const struct pipe_shader_state *fs) +{ + struct aaline_stage *aaline = aaline_stage_from_pipe(pipe); + struct aaline_fragment_shader *aafs = CALLOC_STRUCT(aaline_fragment_shader); + + if (aafs) { + aafs->state = *fs; + + /* pass-through */ + aafs->driver_fs = aaline->driver_create_fs_state(aaline->pipe, fs); + } + + return aafs; +} + + +static void +aaline_bind_fs_state(struct pipe_context *pipe, void *fs) +{ + struct aaline_stage *aaline = aaline_stage_from_pipe(pipe); + struct aaline_fragment_shader *aafs = (struct aaline_fragment_shader *) fs; + /* save current */ + aaline->fs = aafs; + /* pass-through */ + aaline->driver_bind_fs_state(aaline->pipe, aafs->driver_fs); +} + + +static void +aaline_delete_fs_state(struct pipe_context *pipe, void *fs) +{ + struct aaline_stage *aaline = aaline_stage_from_pipe(pipe); + struct aaline_fragment_shader *aafs = (struct aaline_fragment_shader *) fs; + /* pass-through */ + aaline->driver_delete_fs_state(aaline->pipe, aafs->driver_fs); + FREE(aafs); +} + + +static void +aaline_bind_sampler_state(struct pipe_context *pipe, + unsigned unit, void *sampler) +{ + struct aaline_stage *aaline = aaline_stage_from_pipe(pipe); + /* save current */ + aaline->state.sampler[unit] = sampler; + /* pass-through */ + aaline->driver_bind_sampler_state(aaline->pipe, unit, sampler); +} + + +static void +aaline_set_sampler_texture(struct pipe_context *pipe, + unsigned sampler, struct pipe_texture *texture) +{ + struct aaline_stage *aaline = aaline_stage_from_pipe(pipe); + /* save current */ + aaline->state.texture[sampler] = texture; + /* pass-through */ + aaline->driver_set_sampler_texture(aaline->pipe, sampler, texture); +} + + +/** + * Called by drivers that want to install this AA line prim stage + * into the draw module's pipeline. This will not be used if the + * hardware has native support for AA lines. + */ +void +draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe) +{ + struct aaline_stage *aaline; + + /* + * Create / install AA line drawing / prim stage + */ + aaline = draw_aaline_stage( draw ); + assert(aaline); + draw->pipeline.aaline = &aaline->stage; + + aaline->pipe = pipe; + + /* create special texture, sampler state */ + aaline_create_texture(aaline); + aaline_create_sampler(aaline); + + /* save original driver functions */ + aaline->driver_create_fs_state = pipe->create_fs_state; + aaline->driver_bind_fs_state = pipe->bind_fs_state; + aaline->driver_delete_fs_state = pipe->delete_fs_state; + + aaline->driver_bind_sampler_state = pipe->bind_sampler_state; + aaline->driver_set_sampler_texture = pipe->set_sampler_texture; + + /* override the driver's functions */ + pipe->create_fs_state = aaline_create_fs_state; + pipe->bind_fs_state = aaline_bind_fs_state; + pipe->delete_fs_state = aaline_delete_fs_state; + + pipe->bind_sampler_state = aaline_bind_sampler_state; + pipe->set_sampler_texture = aaline_set_sampler_texture; + + add_aa_pipe_context(pipe, aaline); +} diff --git a/src/gallium/auxiliary/draw/draw_aapoint.c b/src/gallium/auxiliary/draw/draw_aapoint.c new file mode 100644 index 0000000000..43119cc70b --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_aapoint.c @@ -0,0 +1,875 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +/** + * AA point stage: AA points are converted to quads and rendered with a + * special fragment shader. Another approach would be to use a texture + * map image of a point, but experiments indicate the quality isn't nearly + * as good as this approach. + * + * Note: this looks a lot like draw_aaline.c but there's actually little + * if any code that can be shared. + * + * Authors: Brian Paul + */ + + +#include "pipe/p_util.h" +#include "pipe/p_inlines.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" + +#include "tgsi/util/tgsi_transform.h" +#include "tgsi/util/tgsi_dump.h" + +#include "draw_context.h" +#include "draw_private.h" + + +/* + * Enabling NORMALIZE might give _slightly_ better results. + * Basically, it controls whether we compute distance as d=sqrt(x*x+y*y) or + * d=x*x+y*y. Since we're working with a unit circle, the later seems + * close enough and saves some costly instructions. + */ +#define NORMALIZE 0 + + +/** + * Subclass of pipe_shader_state to carry extra fragment shader info. + */ +struct aapoint_fragment_shader +{ + struct pipe_shader_state state; + void *driver_fs; /**< the regular shader */ + void *aapoint_fs; /**< the aa point-augmented shader */ +}; + + +/** + * Subclass of draw_stage + */ +struct aapoint_stage +{ + struct draw_stage stage; + + int psize_slot; + float radius; + + /** this is the vertex attrib slot for the new texcoords */ + uint tex_slot; + + /* + * Currently bound state + */ + struct aapoint_fragment_shader *fs; + + /* + * Driver interface/override functions + */ + void * (*driver_create_fs_state)(struct pipe_context *, + const struct pipe_shader_state *); + void (*driver_bind_fs_state)(struct pipe_context *, void *); + void (*driver_delete_fs_state)(struct pipe_context *, void *); + + struct pipe_context *pipe; +}; + + + +/** + * Subclass of tgsi_transform_context, used for transforming the + * user's fragment shader to add the special AA instructions. + */ +struct aa_transform_context { + struct tgsi_transform_context base; + uint tempsUsed; /**< bitmask */ + int colorOutput; /**< which output is the primary color */ + int maxInput, maxGeneric; /**< max input index found */ + int tmp0, colorTemp; /**< temp registers */ + boolean firstInstruction; +}; + + +/** + * TGSI declaration transform callback. + * Look for two free temp regs and available input reg for new texcoords. + */ +static void +aa_transform_decl(struct tgsi_transform_context *ctx, + struct tgsi_full_declaration *decl) +{ + struct aa_transform_context *aactx = (struct aa_transform_context *) ctx; + + if (decl->Declaration.File == TGSI_FILE_OUTPUT && + decl->Semantic.SemanticName == TGSI_SEMANTIC_COLOR && + decl->Semantic.SemanticIndex == 0) { + aactx->colorOutput = decl->u.DeclarationRange.First; + } + else if (decl->Declaration.File == TGSI_FILE_INPUT) { + if ((int) decl->u.DeclarationRange.Last > aactx->maxInput) + aactx->maxInput = decl->u.DeclarationRange.Last; + if (decl->Semantic.SemanticName == TGSI_SEMANTIC_GENERIC && + (int) decl->Semantic.SemanticIndex > aactx->maxGeneric) { + aactx->maxGeneric = decl->Semantic.SemanticIndex; + } + } + else if (decl->Declaration.File == TGSI_FILE_TEMPORARY) { + uint i; + for (i = decl->u.DeclarationRange.First; + i <= decl->u.DeclarationRange.Last; i++) { + aactx->tempsUsed |= (1 << i); + } + } + + ctx->emit_declaration(ctx, decl); +} + + +/** + * TGSI instruction transform callback. + * Replace writes to result.color w/ a temp reg. + * Upon END instruction, insert texture sampling code for antialiasing. + */ +static void +aa_transform_inst(struct tgsi_transform_context *ctx, + struct tgsi_full_instruction *inst) +{ + struct aa_transform_context *aactx = (struct aa_transform_context *) ctx; + struct tgsi_full_instruction newInst; + + if (aactx->firstInstruction) { + /* emit our new declarations before the first instruction */ + + struct tgsi_full_declaration decl; + const int texInput = aactx->maxInput + 1; + int tmp0; + uint i; + + /* find two free temp regs */ + for (i = 0; i < 32; i++) { + if ((aactx->tempsUsed & (1 << i)) == 0) { + /* found a free temp */ + if (aactx->tmp0 < 0) + aactx->tmp0 = i; + else if (aactx->colorTemp < 0) + aactx->colorTemp = i; + else + break; + } + } + + assert(aactx->colorTemp != aactx->tmp0); + + tmp0 = aactx->tmp0; + + /* declare new generic input/texcoord */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_INPUT; + decl.Declaration.Semantic = 1; + decl.Semantic.SemanticName = TGSI_SEMANTIC_GENERIC; + decl.Semantic.SemanticIndex = aactx->maxGeneric + 1; + decl.Declaration.Interpolate = 1; + /* XXX this could be linear... */ + decl.Interpolation.Interpolate = TGSI_INTERPOLATE_PERSPECTIVE; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = texInput; + ctx->emit_declaration(ctx, &decl); + + /* declare new temp regs */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = tmp0; + ctx->emit_declaration(ctx, &decl); + + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = aactx->colorTemp; + ctx->emit_declaration(ctx, &decl); + + aactx->firstInstruction = FALSE; + + + /* + * Emit code to compute fragment coverage, kill if outside point radius + * + * Temp reg0 usage: + * t0.x = distance of fragment from center point + * t0.y = boolean, is t0.x > 1 ? + * t0.z = temporary for computing 1/(1-k) value + * t0.w = final coverage value + */ + + /* MUL t0.xy, tex, tex; # compute x^2, y^2 */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MUL; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_XY; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[0].SrcRegister.Index = texInput; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[1].SrcRegister.Index = texInput; + ctx->emit_instruction(ctx, &newInst); + + /* ADD t0.x, t0.x, t0.y; # x^2 + y^2 */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_ADD; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_X; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[1].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y; + ctx->emit_instruction(ctx, &newInst); + +#if NORMALIZE /* OPTIONAL normalization of length */ + /* RSQ t0.x, t0.x; */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_RSQ; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + ctx->emit_instruction(ctx, &newInst); + + /* RCP t0.x, t0.x; */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_RCP; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + ctx->emit_instruction(ctx, &newInst); +#endif + + /* SGT t0.y, t0.xxxx, t0.wwww; # bool b = d > 1 (NOTE t0.w == 1) */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_SGT; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_Y; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[1].SrcRegister.Index = texInput; + newInst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_W; + ctx->emit_instruction(ctx, &newInst); + + /* KILP -t0.yyyy; # if b, KILL */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_KILP; + newInst.Instruction.NumDstRegs = 0; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.Negate = 1; + ctx->emit_instruction(ctx, &newInst); + + /* SGT t0.y, t0.x, tex.z; # bool b = distance > k */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_SGT; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_Y; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_X; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[1].SrcRegister.Index = texInput; + newInst.FullSrcRegisters[1].SrcRegister.SwizzleY = TGSI_SWIZZLE_Z; + ctx->emit_instruction(ctx, &newInst); + + /* IF t0.y # if b then */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_IF; + newInst.Instruction.NumDstRegs = 0; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleY = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Y; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_Y; + ctx->emit_instruction(ctx, &newInst); + + { + /* compute coverage factor = (1-d)/(1-k) */ + + /* SUB t0.z, tex.w, tex.z; # m = 1 - k */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_SUB; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_Z; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[0].SrcRegister.Index = texInput; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleZ = TGSI_SWIZZLE_W; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[1].SrcRegister.Index = texInput; + newInst.FullSrcRegisters[1].SrcRegister.SwizzleZ = TGSI_SWIZZLE_Z; + ctx->emit_instruction(ctx, &newInst); + + /* RCP t0.z, t0.z; # t0.z = 1 / m */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_RCP; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_Z; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_Z; + ctx->emit_instruction(ctx, &newInst); + + /* SUB t0.x, 1, t0.x; # d = 1 - d */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_SUB; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_X; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[0].SrcRegister.Index = texInput; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleX = TGSI_SWIZZLE_W; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[1].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[1].SrcRegister.SwizzleX = TGSI_SWIZZLE_X; + ctx->emit_instruction(ctx, &newInst); + + /* MUL t0.w, t0.x, t0.z; # coverage = d * m */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MUL; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_W; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[0].SrcRegister.SwizzleW = TGSI_SWIZZLE_X; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[1].SrcRegister.Index = tmp0; + newInst.FullSrcRegisters[1].SrcRegister.SwizzleW = TGSI_SWIZZLE_Z; + ctx->emit_instruction(ctx, &newInst); + } + + /* ELSE */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_ELSE; + newInst.Instruction.NumDstRegs = 0; + newInst.Instruction.NumSrcRegs = 0; + ctx->emit_instruction(ctx, &newInst); + + { + /* MOV t0.w, tex.w; # coverage = 1.0 */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MOV; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = tmp0; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_W; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[0].SrcRegister.Index = texInput; + ctx->emit_instruction(ctx, &newInst); + } + + /* ENDIF */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_ENDIF; + newInst.Instruction.NumDstRegs = 0; + newInst.Instruction.NumSrcRegs = 0; + ctx->emit_instruction(ctx, &newInst); + } + + if (inst->Instruction.Opcode == TGSI_OPCODE_END) { + /* add alpha modulation code at tail of program */ + + /* MOV result.color.xyz, colorTemp; */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MOV; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT; + newInst.FullDstRegisters[0].DstRegister.Index = aactx->colorOutput; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_XYZ; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = aactx->colorTemp; + ctx->emit_instruction(ctx, &newInst); + + /* MUL result.color.w, colorTemp, tmp0.w; */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MUL; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_OUTPUT; + newInst.FullDstRegisters[0].DstRegister.Index = aactx->colorOutput; + newInst.FullDstRegisters[0].DstRegister.WriteMask = TGSI_WRITEMASK_W; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = aactx->colorTemp; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[1].SrcRegister.Index = aactx->tmp0; + ctx->emit_instruction(ctx, &newInst); + } + else { + /* Not an END instruction. + * Look for writes to result.color and replace with colorTemp reg. + */ + uint i; + + for (i = 0; i < inst->Instruction.NumDstRegs; i++) { + struct tgsi_full_dst_register *dst = &inst->FullDstRegisters[i]; + if (dst->DstRegister.File == TGSI_FILE_OUTPUT && + dst->DstRegister.Index == aactx->colorOutput) { + dst->DstRegister.File = TGSI_FILE_TEMPORARY; + dst->DstRegister.Index = aactx->colorTemp; + } + } + } + + ctx->emit_instruction(ctx, inst); +} + + +/** + * Generate the frag shader we'll use for drawing AA lines. + * This will be the user's shader plus some texture/modulate instructions. + */ +static void +generate_aapoint_fs(struct aapoint_stage *aapoint) +{ + const struct pipe_shader_state *orig_fs = &aapoint->fs->state; + struct draw_context *draw = aapoint->stage.draw; + struct pipe_shader_state aapoint_fs; + struct aa_transform_context transform; + +#define MAX 1000 + + aapoint_fs = *orig_fs; /* copy to init */ + aapoint_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX); + + memset(&transform, 0, sizeof(transform)); + transform.colorOutput = -1; + transform.maxInput = -1; + transform.maxGeneric = -1; + transform.colorTemp = -1; + transform.tmp0 = -1; + transform.firstInstruction = TRUE; + transform.base.transform_instruction = aa_transform_inst; + transform.base.transform_declaration = aa_transform_decl; + + tgsi_transform_shader(orig_fs->tokens, + (struct tgsi_token *) aapoint_fs.tokens, + MAX, &transform.base); + +#if 0 /* DEBUG */ + tgsi_dump(orig_fs->tokens, 0); + tgsi_dump(aapoint_fs.tokens, 0); +#endif + + aapoint_fs.input_semantic_name[aapoint_fs.num_inputs] = TGSI_SEMANTIC_GENERIC; + aapoint_fs.input_semantic_index[aapoint_fs.num_inputs] = transform.maxGeneric + 1; + aapoint_fs.num_inputs++; + + aapoint->fs->aapoint_fs + = aapoint->driver_create_fs_state(aapoint->pipe, &aapoint_fs); + + /* advertise the extra post-transform vertex attributes which will have + * the texcoords. + */ + draw->extra_vp_outputs.semantic_name = TGSI_SEMANTIC_GENERIC; + draw->extra_vp_outputs.semantic_index = transform.maxGeneric + 1; +} + + +/** + * When we're about to draw our first AA line in a batch, this function is + * called to tell the driver to bind our modified fragment shader. + */ +static void +bind_aapoint_fragment_shader(struct aapoint_stage *aapoint) +{ + if (!aapoint->fs->aapoint_fs) { + generate_aapoint_fs(aapoint); + } + aapoint->driver_bind_fs_state(aapoint->pipe, aapoint->fs->aapoint_fs); +} + + + +static INLINE struct aapoint_stage * +aapoint_stage( struct draw_stage *stage ) +{ + return (struct aapoint_stage *) stage; +} + + +static void +passthrough_line(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->line(stage->next, header); +} + + +static void +passthrough_tri(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->tri(stage->next, header); +} + + +/** + * Draw an AA point by drawing a quad. + */ +static void +aapoint_point(struct draw_stage *stage, struct prim_header *header) +{ + const struct aapoint_stage *aapoint = aapoint_stage(stage); + struct prim_header tri; + struct vertex_header *v[4]; + uint texPos = aapoint->tex_slot; + float radius, *pos, *tex; + uint i; + float k; + + if (aapoint->psize_slot >= 0) { + radius = 0.5f * header->v[0]->data[aapoint->psize_slot][0]; + } + else { + radius = aapoint->radius; + } + + /* + * Note: the texcoords (generic attrib, really) we use are special: + * The S and T components simply vary from -1 to +1. + * The R component is k, below. + * The Q component is 1.0 and will used as a handy constant in the + * fragment shader. + */ + + /* + * k is the threshold distance from the point's center at which + * we begin alpha attenuation (the coverage value). + * Operating within a unit circle, we'll compute the fragment's + * distance 'd' from the center point using the texcoords. + * IF d > 1.0 THEN + * KILL fragment + * ELSE IF d > k THEN + * compute coverage in [0,1] proportional to d in [k, 1]. + * ELSE + * coverage = 1.0; // full coverage + * ENDIF + */ + +#if !NORMALIZE + k = 1.0 / radius; + k = 1.0 - 2.0 * k + k * k; +#else + k = 1.0 - 1.0 / radius; +#endif + + /* allocate/dup new verts */ + for (i = 0; i < 4; i++) { + v[i] = dup_vert(stage, header->v[0], i); + } + + /* new verts */ + pos = v[0]->data[0]; + pos[0] -= radius; + pos[1] -= radius; + + pos = v[1]->data[0]; + pos[0] += radius; + pos[1] -= radius; + + pos = v[2]->data[0]; + pos[0] += radius; + pos[1] += radius; + + pos = v[3]->data[0]; + pos[0] -= radius; + pos[1] += radius; + + /* new texcoords */ + tex = v[0]->data[texPos]; + ASSIGN_4V(tex, -1, -1, k, 1); + + tex = v[1]->data[texPos]; + ASSIGN_4V(tex, 1, -1, k, 1); + + tex = v[2]->data[texPos]; + ASSIGN_4V(tex, 1, 1, k, 1); + + tex = v[3]->data[texPos]; + ASSIGN_4V(tex, -1, 1, k, 1); + + /* emit 2 tris for the quad strip */ + tri.v[0] = v[0]; + tri.v[1] = v[1]; + tri.v[2] = v[2]; + stage->next->tri( stage->next, &tri ); + + tri.v[0] = v[0]; + tri.v[1] = v[2]; + tri.v[2] = v[3]; + stage->next->tri( stage->next, &tri ); +} + + +static void +aapoint_first_point(struct draw_stage *stage, struct prim_header *header) +{ + auto struct aapoint_stage *aapoint = aapoint_stage(stage); + struct draw_context *draw = stage->draw; + + assert(draw->rasterizer->point_smooth); + + if (draw->rasterizer->point_size <= 2.0) + aapoint->radius = 1.0; + else + aapoint->radius = 0.5f * draw->rasterizer->point_size; + + aapoint->tex_slot = draw->num_vs_outputs; + assert(aapoint->tex_slot > 0); /* output[0] is vertex pos */ + draw->extra_vp_outputs.slot = aapoint->tex_slot; + + /* + * Bind our fragprog. + */ + bind_aapoint_fragment_shader(aapoint); + + /* find psize slot in post-transform vertex */ + aapoint->psize_slot = -1; + if (draw->rasterizer->point_size_per_vertex) { + /* find PSIZ vertex output */ + const struct draw_vertex_shader *vs = draw->vertex_shader; + uint i; + for (i = 0; i < vs->state->num_outputs; i++) { + if (vs->state->output_semantic_name[i] == TGSI_SEMANTIC_PSIZE) { + aapoint->psize_slot = i; + break; + } + } + } + + /* now really draw first line */ + stage->point = aapoint_point; + stage->point(stage, header); +} + + +static void +aapoint_flush(struct draw_stage *stage, unsigned flags) +{ + struct draw_context *draw = stage->draw; + struct aapoint_stage *aapoint = aapoint_stage(stage); + struct pipe_context *pipe = aapoint->pipe; + + stage->point = aapoint_first_point; + stage->next->flush( stage->next, flags ); + + /* restore original frag shader */ + aapoint->driver_bind_fs_state(pipe, aapoint->fs->driver_fs); + + draw->extra_vp_outputs.slot = 0; +} + + +static void +aapoint_reset_stipple_counter(struct draw_stage *stage) +{ + stage->next->reset_stipple_counter( stage->next ); +} + + +static void +aapoint_destroy(struct draw_stage *stage) +{ + draw_free_temp_verts( stage ); + FREE( stage ); +} + + +static struct aapoint_stage * +draw_aapoint_stage(struct draw_context *draw) +{ + struct aapoint_stage *aapoint = CALLOC_STRUCT(aapoint_stage); + + draw_alloc_temp_verts( &aapoint->stage, 4 ); + + aapoint->stage.draw = draw; + aapoint->stage.next = NULL; + aapoint->stage.point = aapoint_first_point; + aapoint->stage.line = passthrough_line; + aapoint->stage.tri = passthrough_tri; + aapoint->stage.flush = aapoint_flush; + aapoint->stage.reset_stipple_counter = aapoint_reset_stipple_counter; + aapoint->stage.destroy = aapoint_destroy; + + return aapoint; +} + + +/* + * XXX temporary? solution to mapping a pipe_context to a aapoint_stage. + */ + +#define MAX_CONTEXTS 10 + +static struct pipe_context *Pipe[MAX_CONTEXTS]; +static struct aapoint_stage *Stage[MAX_CONTEXTS]; +static uint NumContexts; + +static void +add_aa_pipe_context(struct pipe_context *pipe, struct aapoint_stage *aa) +{ + assert(NumContexts < MAX_CONTEXTS); + Pipe[NumContexts] = pipe; + Stage[NumContexts] = aa; + NumContexts++; +} + +static struct aapoint_stage * +aapoint_stage_from_pipe(struct pipe_context *pipe) +{ + uint i; + for (i = 0; i < NumContexts; i++) { + if (Pipe[i] == pipe) + return Stage[i]; + } + assert(0); + return NULL; +} + + +/** + * This function overrides the driver's create_fs_state() function and + * will typically be called by the state tracker. + */ +static void * +aapoint_create_fs_state(struct pipe_context *pipe, + const struct pipe_shader_state *fs) +{ + struct aapoint_stage *aapoint = aapoint_stage_from_pipe(pipe); + struct aapoint_fragment_shader *aafs = CALLOC_STRUCT(aapoint_fragment_shader); + + if (aafs) { + aafs->state = *fs; + + /* pass-through */ + aafs->driver_fs = aapoint->driver_create_fs_state(aapoint->pipe, fs); + } + + return aafs; +} + + +static void +aapoint_bind_fs_state(struct pipe_context *pipe, void *fs) +{ + struct aapoint_stage *aapoint = aapoint_stage_from_pipe(pipe); + struct aapoint_fragment_shader *aafs = (struct aapoint_fragment_shader *) fs; + /* save current */ + aapoint->fs = aafs; + /* pass-through */ + aapoint->driver_bind_fs_state(aapoint->pipe, aafs->driver_fs); +} + + +static void +aapoint_delete_fs_state(struct pipe_context *pipe, void *fs) +{ + struct aapoint_stage *aapoint = aapoint_stage_from_pipe(pipe); + struct aapoint_fragment_shader *aafs = (struct aapoint_fragment_shader *) fs; + /* pass-through */ + aapoint->driver_delete_fs_state(aapoint->pipe, aafs->driver_fs); + FREE(aafs); +} + + +/** + * Called by drivers that want to install this AA point prim stage + * into the draw module's pipeline. This will not be used if the + * hardware has native support for AA points. + */ +void +draw_install_aapoint_stage(struct draw_context *draw, + struct pipe_context *pipe) +{ + struct aapoint_stage *aapoint; + + /* + * Create / install AA point drawing / prim stage + */ + aapoint = draw_aapoint_stage( draw ); + assert(aapoint); + draw->pipeline.aapoint = &aapoint->stage; + + aapoint->pipe = pipe; + + /* save original driver functions */ + aapoint->driver_create_fs_state = pipe->create_fs_state; + aapoint->driver_bind_fs_state = pipe->bind_fs_state; + aapoint->driver_delete_fs_state = pipe->delete_fs_state; + + /* override the driver's functions */ + pipe->create_fs_state = aapoint_create_fs_state; + pipe->bind_fs_state = aapoint_bind_fs_state; + pipe->delete_fs_state = aapoint_delete_fs_state; + + add_aa_pipe_context(pipe, aapoint); +} diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index 4be3830316..c28e78d33a 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -72,10 +72,10 @@ struct draw_context *draw_create( void ) { uint i; const unsigned size = (MAX_VERTEX_SIZE + 0x0f) & ~0x0f; - char *tmp = align_malloc(Elements(draw->vcache.vertex) * size, 16); + char *tmp = align_malloc(Elements(draw->vs.queue) * size, 16); - for (i = 0; i < Elements(draw->vcache.vertex); i++) - draw->vcache.vertex[i] = (struct vertex_header *)(tmp + i * size); + for (i = 0; i < Elements(draw->vs.queue); i++) + draw->vs.queue[i].vertex = (struct vertex_header *)(tmp + i * size); } draw->shader_queue_flush = draw_vertex_shader_queue_flush; @@ -103,10 +103,14 @@ void draw_destroy( struct draw_context *draw ) draw->pipeline.flatshade->destroy( draw->pipeline.flatshade ); draw->pipeline.cull->destroy( draw->pipeline.cull ); draw->pipeline.validate->destroy( draw->pipeline.validate ); + if (draw->pipeline.aaline) + draw->pipeline.aaline->destroy( draw->pipeline.aaline ); + if (draw->pipeline.aapoint) + draw->pipeline.aapoint->destroy( draw->pipeline.aapoint ); if (draw->pipeline.rasterize) draw->pipeline.rasterize->destroy( draw->pipeline.rasterize ); tgsi_exec_machine_free_data(&draw->machine); - align_free( draw->vcache.vertex[0] ); /* Frees all the vertices. */ + align_free( draw->vs.queue[0].vertex ); /* Frees all the vertices. */ FREE( draw ); } @@ -240,6 +244,26 @@ draw_convert_wide_lines(struct draw_context *draw, boolean enable) /** + * The draw module may sometimes generate vertices with extra attributes + * (such as texcoords for AA lines). The driver can call this function + * to find those attributes. + */ +int +draw_find_vs_output(struct draw_context *draw, + uint semantic_name, uint semantic_index) +{ + /* XXX there may be more than one extra vertex attrib. + * For example, simulated gl_FragCoord and gl_PointCoord. + */ + if (draw->extra_vp_outputs.semantic_name == semantic_name && + draw->extra_vp_outputs.semantic_index == semantic_index) { + return draw->extra_vp_outputs.slot; + } + return 0; +} + + +/** * Allocate space for temporary post-transform vertices, such as for clipping. */ void draw_alloc_temp_verts( struct draw_stage *stage, unsigned nr ) diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h index ddeb184497..c25301f71d 100644 --- a/src/gallium/auxiliary/draw/draw_context.h +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -41,6 +41,7 @@ #include "pipe/p_state.h" +struct pipe_context; struct vertex_buffer; struct vertex_info; struct draw_context; @@ -93,6 +94,26 @@ void draw_convert_wide_points(struct draw_context *draw, boolean enable); void draw_convert_wide_lines(struct draw_context *draw, boolean enable); +boolean draw_use_sse(struct draw_context *draw); + +void +draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe); + +void +draw_install_aapoint_stage(struct draw_context *draw, struct pipe_context *pipe); + +void +draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe); + + +int +draw_find_vs_output(struct draw_context *draw, + uint semantic_name, uint semantic_index); + + +/* + * Vertex shader functions + */ struct draw_vertex_shader * draw_create_vertex_shader(struct draw_context *draw, @@ -102,7 +123,11 @@ void draw_bind_vertex_shader(struct draw_context *draw, void draw_delete_vertex_shader(struct draw_context *draw, struct draw_vertex_shader *dvs); -boolean draw_use_sse(struct draw_context *draw); + + +/* + * Vertex data functions + */ void draw_set_vertex_buffer(struct draw_context *draw, unsigned attr, diff --git a/src/gallium/auxiliary/draw/draw_prim.c b/src/gallium/auxiliary/draw/draw_prim.c index 51e2242719..7d6cd43410 100644 --- a/src/gallium/auxiliary/draw/draw_prim.c +++ b/src/gallium/auxiliary/draw/draw_prim.c @@ -114,6 +114,7 @@ static void draw_prim_queue_flush( struct draw_context *draw ) } draw->pq.queue_nr = 0; + draw->vs.post_nr = 0; draw_vertex_cache_unreference( draw ); } @@ -121,11 +122,15 @@ static void draw_prim_queue_flush( struct draw_context *draw ) void draw_do_flush( struct draw_context *draw, unsigned flags ) { + static boolean flushing = FALSE; + if (0) debug_printf("Flushing with %d verts, %d prims\n", draw->vs.queue_nr, draw->pq.queue_nr ); + if (!flushing) { + flushing = TRUE; if (flags >= DRAW_FLUSH_SHADER_QUEUE) { if (draw->vs.queue_nr) @@ -146,6 +151,9 @@ void draw_do_flush( struct draw_context *draw, unsigned flags ) } } } + + flushing = FALSE; + } } @@ -219,6 +227,7 @@ static void do_triangle( struct draw_context *draw, { struct prim_header *prim = get_queued_prim( draw, 3 ); +// _mesa_printf("tri %d %d %d\n", i0, i1, i2); prim->reset_line_stipple = 1; prim->edgeflags = ~0; prim->pad = 0; diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index bc11259cb2..6abced139b 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -44,10 +44,11 @@ #include "pipe/p_state.h" #include "pipe/p_defines.h" -#include "x86/rtasm/x86sse.h" +#include "rtasm/rtasm_x86sse.h" #include "tgsi/exec/tgsi_exec.h" +struct pipe_context; struct gallivm_prog; struct gallivm_cpu_engine; @@ -119,7 +120,7 @@ struct draw_stage }; -#define PRIM_QUEUE_LENGTH 16 +#define PRIM_QUEUE_LENGTH 32 #define VCACHE_SIZE 32 #define VCACHE_OVERFLOW 4 #define VS_QUEUE_LENGTH (VCACHE_SIZE + VCACHE_OVERFLOW + 1) /* can never fill up */ @@ -179,6 +180,9 @@ struct draw_context struct draw_stage *offset; struct draw_stage *unfilled; struct draw_stage *stipple; + struct draw_stage *aapoint; + struct draw_stage *aaline; + struct draw_stage *pstipple; struct draw_stage *wide; struct draw_stage *rasterize; } pipeline; @@ -212,9 +216,17 @@ struct draw_context unsigned nr_planes; boolean convert_wide_points; /**< convert wide points to tris? */ - boolean convert_wide_lines; /**< convert side lines to tris? */ + boolean convert_wide_lines; /**< convert wide lines to tris? */ boolean use_sse; + /* If a prim stage introduces new vertex attributes, they'll be stored here + */ + struct { + uint semantic_name; + uint semantic_index; + int slot; + } extra_vp_outputs; + unsigned reduced_prim; /** TGSI program interpreter runtime state */ @@ -234,8 +246,12 @@ struct draw_context */ struct { unsigned referenced; /**< bitfield */ - unsigned idx[VCACHE_SIZE + VCACHE_OVERFLOW]; - struct vertex_header *vertex[VCACHE_SIZE + VCACHE_OVERFLOW]; + + struct { + unsigned in; /* client array element */ + unsigned out; /* index in vs queue/array */ + } idx[VCACHE_SIZE + VCACHE_OVERFLOW]; + unsigned overflow; /** To find space in the vertex cache: */ @@ -248,9 +264,10 @@ struct draw_context struct { struct { unsigned elt; /**< index into the user's vertex arrays */ - struct vertex_header *dest; /**< points into vcache.vertex[] array */ + struct vertex_header *vertex; } queue[VS_QUEUE_LENGTH]; unsigned queue_nr; + unsigned post_nr; } vs; /** diff --git a/src/gallium/auxiliary/draw/draw_pstipple.c b/src/gallium/auxiliary/draw/draw_pstipple.c new file mode 100644 index 0000000000..4048abf856 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_pstipple.c @@ -0,0 +1,717 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, 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 TUNGSTEN GRAPHICS 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. + * + **************************************************************************/ + +/** + * Polygon stipple stage: implement polygon stipple with texture map and + * fragment program. The fragment program samples the texture and does + * a fragment kill for the stipple-failing fragments. + * + * Authors: Brian Paul + */ + + +#include "pipe/p_util.h" +#include "pipe/p_inlines.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" + +#include "tgsi/util/tgsi_transform.h" +#include "tgsi/util/tgsi_dump.h" + +#include "draw_context.h" +#include "draw_private.h" + + + +/** + * Subclass of pipe_shader_state to carry extra fragment shader info. + */ +struct pstip_fragment_shader +{ + struct pipe_shader_state state; + void *driver_fs; + void *pstip_fs; +}; + + +/** + * Subclass of draw_stage + */ +struct pstip_stage +{ + struct draw_stage stage; + + void *sampler_cso; + struct pipe_texture *texture; + uint sampler_unit; + + /* + * Currently bound state + */ + struct pstip_fragment_shader *fs; + struct { + void *sampler[PIPE_MAX_SAMPLERS]; + struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; + const struct pipe_poly_stipple *stipple; + } state; + + /* + * Driver interface/override functions + */ + void * (*driver_create_fs_state)(struct pipe_context *, + const struct pipe_shader_state *); + void (*driver_bind_fs_state)(struct pipe_context *, void *); + void (*driver_delete_fs_state)(struct pipe_context *, void *); + + void (*driver_bind_sampler_state)(struct pipe_context *, unsigned, void *); + + void (*driver_set_sampler_texture)(struct pipe_context *, + unsigned sampler, + struct pipe_texture *); + + void (*driver_set_polygon_stipple)(struct pipe_context *, + const struct pipe_poly_stipple *); + + struct pipe_context *pipe; +}; + + + +/** + * Subclass of tgsi_transform_context, used for transforming the + * user's fragment shader to add the special AA instructions. + */ +struct pstip_transform_context { + struct tgsi_transform_context base; + uint tempsUsed; /**< bitmask */ + int wincoordInput; + int maxInput; + int maxSampler; /**< max sampler index found */ + int texTemp; /**< temp registers */ + int numImmed; + boolean firstInstruction; +}; + + +/** + * TGSI declaration transform callback. + * Look for a free sampler, a free input attrib, and two free temp regs. + */ +static void +pstip_transform_decl(struct tgsi_transform_context *ctx, + struct tgsi_full_declaration *decl) +{ + struct pstip_transform_context *pctx = (struct pstip_transform_context *) ctx; + + if (decl->Declaration.File == TGSI_FILE_SAMPLER) { + if ((int) decl->u.DeclarationRange.Last > pctx->maxSampler) + pctx->maxSampler = (int) decl->u.DeclarationRange.Last; + } + else if (decl->Declaration.File == TGSI_FILE_INPUT) { + pctx->maxInput = MAX2(pctx->maxInput, decl->u.DeclarationRange.Last); + if (decl->Semantic.SemanticName == TGSI_SEMANTIC_POSITION) + pctx->wincoordInput = (int) decl->u.DeclarationRange.First; + } + else if (decl->Declaration.File == TGSI_FILE_TEMPORARY) { + uint i; + for (i = decl->u.DeclarationRange.First; + i <= decl->u.DeclarationRange.Last; i++) { + pctx->tempsUsed |= (1 << i); + } + } + + ctx->emit_declaration(ctx, decl); +} + + +static void +pstip_transform_immed(struct tgsi_transform_context *ctx, + struct tgsi_full_immediate *immed) +{ + struct pstip_transform_context *pctx = (struct pstip_transform_context *) ctx; + pctx->numImmed++; +} + + +/** + * TGSI instruction transform callback. + * Replace writes to result.color w/ a temp reg. + * Upon END instruction, insert texture sampling code for antialiasing. + */ +static void +pstip_transform_inst(struct tgsi_transform_context *ctx, + struct tgsi_full_instruction *inst) +{ + struct pstip_transform_context *pctx = (struct pstip_transform_context *) ctx; + + if (pctx->firstInstruction) { + /* emit our new declarations before the first instruction */ + + struct tgsi_full_declaration decl; + struct tgsi_full_instruction newInst; + uint i; + int wincoordInput; + const int sampler = pctx->maxSampler + 1; + + if (pctx->wincoordInput < 0) + wincoordInput = pctx->maxInput + 1; + else + wincoordInput = pctx->wincoordInput; + + /* find one free temp reg */ + for (i = 0; i < 32; i++) { + if ((pctx->tempsUsed & (1 << i)) == 0) { + /* found a free temp */ + if (pctx->texTemp < 0) + pctx->texTemp = i; + else + break; + } + } + assert(pctx->texTemp >= 0); + + if (pctx->wincoordInput < 0) { + /* declare new position input reg */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_INPUT; + decl.Declaration.Semantic = 1; + decl.Semantic.SemanticName = TGSI_SEMANTIC_POSITION; + decl.Semantic.SemanticIndex = 0; + decl.Declaration.Interpolate = 1; + decl.Interpolation.Interpolate = TGSI_INTERPOLATE_LINEAR; /* XXX? */ + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = wincoordInput; + ctx->emit_declaration(ctx, &decl); + } + + /* declare new sampler */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_SAMPLER; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = sampler; + ctx->emit_declaration(ctx, &decl); + + /* declare new temp regs */ + decl = tgsi_default_full_declaration(); + decl.Declaration.File = TGSI_FILE_TEMPORARY; + decl.u.DeclarationRange.First = + decl.u.DeclarationRange.Last = pctx->texTemp; + ctx->emit_declaration(ctx, &decl); + + /* emit immediate = {1/32, 1/32, 1, 1} + * The index/position of this immediate will be pctx->numImmed + */ + { + static const float value[4] = { 1.0/32, 1.0/32, 1.0, 1.0 }; + struct tgsi_full_immediate immed; + uint size = 4; + immed = tgsi_default_full_immediate(); + immed.Immediate.Size = 1 + size; /* one for the token itself */ + immed.u.ImmediateFloat32 = (struct tgsi_immediate_float32 *) value; + ctx->emit_immediate(ctx, &immed); + } + + pctx->firstInstruction = FALSE; + + + /* + * Insert new MUL/TEX/KILP instructions at start of program + * Take gl_FragCoord, divide by 32 (stipple size), sample the + * texture and kill fragment if needed. + * + * We'd like to use non-normalized texcoords to index into a RECT + * texture, but we can only use GL_REPEAT wrap mode with normalized + * texcoords. Darn. + */ + + /* MUL texTemp, INPUT[wincoord], 1/32; */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_MUL; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = pctx->texTemp; + newInst.Instruction.NumSrcRegs = 2; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_INPUT; + newInst.FullSrcRegisters[0].SrcRegister.Index = wincoordInput; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_IMMEDIATE; + newInst.FullSrcRegisters[1].SrcRegister.Index = pctx->numImmed; + ctx->emit_instruction(ctx, &newInst); + + /* TEX texTemp, texTemp, sampler; */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_TEX; + newInst.Instruction.NumDstRegs = 1; + newInst.FullDstRegisters[0].DstRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullDstRegisters[0].DstRegister.Index = pctx->texTemp; + newInst.Instruction.NumSrcRegs = 2; + newInst.InstructionExtTexture.Texture = TGSI_TEXTURE_2D; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = pctx->texTemp; + newInst.FullSrcRegisters[1].SrcRegister.File = TGSI_FILE_SAMPLER; + newInst.FullSrcRegisters[1].SrcRegister.Index = sampler; + ctx->emit_instruction(ctx, &newInst); + + /* KILP texTemp; # if texTemp < 0, KILL fragment */ + newInst = tgsi_default_full_instruction(); + newInst.Instruction.Opcode = TGSI_OPCODE_KILP; + newInst.Instruction.NumDstRegs = 0; + newInst.Instruction.NumSrcRegs = 1; + newInst.FullSrcRegisters[0].SrcRegister.File = TGSI_FILE_TEMPORARY; + newInst.FullSrcRegisters[0].SrcRegister.Index = pctx->texTemp; + newInst.FullSrcRegisters[0].SrcRegister.Negate = 1; + ctx->emit_instruction(ctx, &newInst); + } + + /* emit this instruction */ + ctx->emit_instruction(ctx, inst); +} + + +/** + * Generate the frag shader we'll use for doing polygon stipple. + * This will be the user's shader prefixed with a TEX and KIL instruction. + */ +static void +generate_pstip_fs(struct pstip_stage *pstip) +{ + const struct pipe_shader_state *orig_fs = &pstip->fs->state; + /*struct draw_context *draw = pstip->stage.draw;*/ + struct pipe_shader_state pstip_fs; + struct pstip_transform_context transform; + +#define MAX 1000 + + pstip_fs = *orig_fs; /* copy to init */ + pstip_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX); + + memset(&transform, 0, sizeof(transform)); + transform.wincoordInput = -1; + transform.maxInput = -1; + transform.maxSampler = -1; + transform.texTemp = -1; + transform.firstInstruction = TRUE; + transform.base.transform_instruction = pstip_transform_inst; + transform.base.transform_declaration = pstip_transform_decl; + transform.base.transform_immediate = pstip_transform_immed; + + tgsi_transform_shader(orig_fs->tokens, + (struct tgsi_token *) pstip_fs.tokens, + MAX, &transform.base); + +#if 1 /* DEBUG */ + tgsi_dump(orig_fs->tokens, 0); + tgsi_dump(pstip_fs.tokens, 0); +#endif + + pstip->sampler_unit = transform.maxSampler + 1; + + if (transform.wincoordInput < 0) { + pstip_fs.input_semantic_name[pstip_fs.num_inputs] = TGSI_SEMANTIC_POSITION; + pstip_fs.input_semantic_index[pstip_fs.num_inputs] = transform.maxInput; + pstip_fs.num_inputs++; + } + + pstip->fs->pstip_fs = pstip->driver_create_fs_state(pstip->pipe, &pstip_fs); +} + + +/** + * Load texture image with current stipple pattern. + */ +static void +pstip_update_texture(struct pstip_stage *pstip) +{ + static const uint bit31 = 1 << 31; + struct pipe_context *pipe = pstip->pipe; + struct pipe_surface *surface; + const uint *stipple = pstip->state.stipple->stipple; + uint i, j; + ubyte *data; + + surface = pipe->get_tex_surface(pipe, pstip->texture, 0, 0, 0); + data = pipe_surface_map(surface); + + /* + * Load alpha texture. + * Note: 0 means keep the fragment, 255 means kill it. + * We'll negate the texel value and use KILP which kills if value + * is negative. + */ + for (i = 0; i < 32; i++) { + for (j = 0; j < 32; j++) { + if (stipple[i] & (bit31 >> j)) { + /* fragment "on" */ + data[i * surface->pitch + j] = 0; + } + else { + /* fragment "off" */ + data[i * surface->pitch + j] = 255; + } + } + } + + /* unmap */ + pipe_surface_unmap(surface); + pipe_surface_reference(&surface, NULL); + pipe->texture_update(pipe, pstip->texture); +} + + +/** + * Create the texture map we'll use for stippling. + */ +static void +pstip_create_texture(struct pstip_stage *pstip) +{ + struct pipe_context *pipe = pstip->pipe; + struct pipe_texture texTemp; + + memset(&texTemp, 0, sizeof(texTemp)); + texTemp.target = PIPE_TEXTURE_2D; + texTemp.format = PIPE_FORMAT_U_A8; /* XXX verify supported by driver! */ + texTemp.last_level = 0; + texTemp.width[0] = 32; + texTemp.height[0] = 32; + texTemp.depth[0] = 1; + texTemp.cpp = 1; + + pstip->texture = pipe->texture_create(pipe, &texTemp); + + //pstip_update_texture(pstip); +} + + +/** + * Create the sampler CSO that'll be used for antialiasing. + * By using a mipmapped texture, we don't have to generate a different + * texture image for each line size. + */ +static void +pstip_create_sampler(struct pstip_stage *pstip) +{ + struct pipe_sampler_state sampler; + struct pipe_context *pipe = pstip->pipe; + + memset(&sampler, 0, sizeof(sampler)); + sampler.wrap_s = PIPE_TEX_WRAP_REPEAT; + sampler.wrap_t = PIPE_TEX_WRAP_REPEAT; + sampler.wrap_r = PIPE_TEX_WRAP_REPEAT; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; + sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; + sampler.normalized_coords = 1; + sampler.min_lod = 0.0f; + sampler.max_lod = 0.0f; + + pstip->sampler_cso = pipe->create_sampler_state(pipe, &sampler); +} + + +/** + * When we're about to draw our first AA line in a batch, this function is + * called to tell the driver to bind our modified fragment shader. + */ +static void +bind_pstip_fragment_shader(struct pstip_stage *pstip) +{ + if (!pstip->fs->pstip_fs) { + generate_pstip_fs(pstip); + } + pstip->driver_bind_fs_state(pstip->pipe, pstip->fs->pstip_fs); +} + + + +static INLINE struct pstip_stage * +pstip_stage( struct draw_stage *stage ) +{ + return (struct pstip_stage *) stage; +} + + +static void +passthrough_point(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->point(stage->next, header); +} + + +static void +passthrough_line(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->line(stage->next, header); +} + + +static void +passthrough_tri(struct draw_stage *stage, struct prim_header *header) +{ + stage->next->tri(stage->next, header); +} + + + +static void +pstip_first_tri(struct draw_stage *stage, struct prim_header *header) +{ + struct pstip_stage *pstip = pstip_stage(stage); + struct draw_context *draw = stage->draw; + struct pipe_context *pipe = pstip->pipe; + + assert(draw->rasterizer->poly_stipple_enable); + + /* + * Bind our fragprog, sampler and texture + */ + bind_pstip_fragment_shader(pstip); + + pstip->driver_bind_sampler_state(pipe, pstip->sampler_unit, pstip->sampler_cso); + pstip->driver_set_sampler_texture(pipe, pstip->sampler_unit, pstip->texture); + + /* now really draw first line */ + stage->tri = passthrough_tri; + stage->tri(stage, header); +} + + +static void +pstip_flush(struct draw_stage *stage, unsigned flags) +{ + /*struct draw_context *draw = stage->draw;*/ + struct pstip_stage *pstip = pstip_stage(stage); + struct pipe_context *pipe = pstip->pipe; + + stage->tri = pstip_first_tri; + stage->next->flush( stage->next, flags ); + + /* restore original frag shader */ + pstip->driver_bind_fs_state(pipe, pstip->fs->driver_fs); + + /* XXX restore original texture, sampler state */ + pstip->driver_bind_sampler_state(pipe, pstip->sampler_unit, + pstip->state.sampler[pstip->sampler_unit]); + pstip->driver_set_sampler_texture(pipe, pstip->sampler_unit, + pstip->state.texture[pstip->sampler_unit]); +} + + +static void +pstip_reset_stipple_counter(struct draw_stage *stage) +{ + stage->next->reset_stipple_counter( stage->next ); +} + + +static void +pstip_destroy(struct draw_stage *stage) +{ + draw_free_temp_verts( stage ); + FREE( stage ); +} + + +static struct pstip_stage * +draw_pstip_stage(struct draw_context *draw) +{ + struct pstip_stage *pstip = CALLOC_STRUCT(pstip_stage); + + draw_alloc_temp_verts( &pstip->stage, 8 ); + + pstip->stage.draw = draw; + pstip->stage.next = NULL; + pstip->stage.point = passthrough_point; + pstip->stage.line = passthrough_line; + pstip->stage.tri = pstip_first_tri; + pstip->stage.flush = pstip_flush; + pstip->stage.reset_stipple_counter = pstip_reset_stipple_counter; + pstip->stage.destroy = pstip_destroy; + + return pstip; +} + + +/* + * XXX temporary? solution to mapping a pipe_context to a pstip_stage. + */ + +#define MAX_CONTEXTS 10 + +static struct pipe_context *Pipe[MAX_CONTEXTS]; +static struct pstip_stage *Stage[MAX_CONTEXTS]; +static uint NumContexts; + +static void +add_pstip_pipe_context(struct pipe_context *pipe, struct pstip_stage *pstip) +{ + assert(NumContexts < MAX_CONTEXTS); + Pipe[NumContexts] = pipe; + Stage[NumContexts] = pstip; + NumContexts++; +} + +static struct pstip_stage * +pstip_stage_from_pipe(struct pipe_context *pipe) +{ + uint i; + for (i = 0; i < NumContexts; i++) { + if (Pipe[i] == pipe) + return Stage[i]; + } + assert(0); + return NULL; +} + + +/** + * This function overrides the driver's create_fs_state() function and + * will typically be called by the state tracker. + */ +static void * +pstip_create_fs_state(struct pipe_context *pipe, + const struct pipe_shader_state *fs) +{ + struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); + struct pstip_fragment_shader *aafs = CALLOC_STRUCT(pstip_fragment_shader); + + if (aafs) { + aafs->state = *fs; + + /* pass-through */ + aafs->driver_fs = pstip->driver_create_fs_state(pstip->pipe, fs); + } + + return aafs; +} + + +static void +pstip_bind_fs_state(struct pipe_context *pipe, void *fs) +{ + struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); + struct pstip_fragment_shader *aafs = (struct pstip_fragment_shader *) fs; + /* save current */ + pstip->fs = aafs; + /* pass-through */ + pstip->driver_bind_fs_state(pstip->pipe, aafs->driver_fs); +} + + +static void +pstip_delete_fs_state(struct pipe_context *pipe, void *fs) +{ + struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); + struct pstip_fragment_shader *aafs = (struct pstip_fragment_shader *) fs; + /* pass-through */ + pstip->driver_delete_fs_state(pstip->pipe, aafs->driver_fs); + FREE(aafs); +} + + +static void +pstip_bind_sampler_state(struct pipe_context *pipe, + unsigned unit, void *sampler) +{ + struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); + /* save current */ + pstip->state.sampler[unit] = sampler; + /* pass-through */ + pstip->driver_bind_sampler_state(pstip->pipe, unit, sampler); +} + + +static void +pstip_set_sampler_texture(struct pipe_context *pipe, + unsigned sampler, struct pipe_texture *texture) +{ + struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); + /* save current */ + pstip->state.texture[sampler] = texture; + /* pass-through */ + pstip->driver_set_sampler_texture(pstip->pipe, sampler, texture); +} + + +static void +pstip_set_polygon_stipple(struct pipe_context *pipe, + const struct pipe_poly_stipple *stipple) +{ + struct pstip_stage *pstip = pstip_stage_from_pipe(pipe); + /* save current */ + pstip->state.stipple = stipple; + /* pass-through */ + pstip->driver_set_polygon_stipple(pstip->pipe, stipple); + + pstip_update_texture(pstip); +} + + + +/** + * Called by drivers that want to install this AA line prim stage + * into the draw module's pipeline. This will not be used if the + * hardware has native support for AA lines. + */ +void +draw_install_pstipple_stage(struct draw_context *draw, + struct pipe_context *pipe) +{ + struct pstip_stage *pstip; + + /* + * Create / install AA line drawing / prim stage + */ + pstip = draw_pstip_stage( draw ); + assert(pstip); + draw->pipeline.pstipple = &pstip->stage; + + pstip->pipe = pipe; + + /* create special texture, sampler state */ + pstip_create_texture(pstip); + pstip_create_sampler(pstip); + + /* save original driver functions */ + pstip->driver_create_fs_state = pipe->create_fs_state; + pstip->driver_bind_fs_state = pipe->bind_fs_state; + pstip->driver_delete_fs_state = pipe->delete_fs_state; + + pstip->driver_bind_sampler_state = pipe->bind_sampler_state; + pstip->driver_set_sampler_texture = pipe->set_sampler_texture; + pstip->driver_set_polygon_stipple = pipe->set_polygon_stipple; + + /* override the driver's functions */ + pipe->create_fs_state = pstip_create_fs_state; + pipe->bind_fs_state = pstip_bind_fs_state; + pipe->delete_fs_state = pstip_delete_fs_state; + + pipe->bind_sampler_state = pstip_bind_sampler_state; + pipe->set_sampler_texture = pstip_set_sampler_texture; + pipe->set_polygon_stipple = pstip_set_polygon_stipple; + + add_pstip_pipe_context(pipe, pstip); +} diff --git a/src/gallium/auxiliary/draw/draw_validate.c b/src/gallium/auxiliary/draw/draw_validate.c index 4375ebabbc..efd6793f2b 100644 --- a/src/gallium/auxiliary/draw/draw_validate.c +++ b/src/gallium/auxiliary/draw/draw_validate.c @@ -58,7 +58,18 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) * shorter pipelines for lines & points. */ - if ((draw->rasterizer->line_width != 1.0 && draw->convert_wide_lines) || + if (draw->rasterizer->line_smooth && draw->pipeline.aaline) { + draw->pipeline.aaline->next = next; + next = draw->pipeline.aaline; + } + + if (draw->rasterizer->point_smooth && draw->pipeline.aapoint) { + draw->pipeline.aapoint->next = next; + next = draw->pipeline.aapoint; + } + + if ((draw->rasterizer->line_width != 1.0 && draw->convert_wide_lines + && !draw->rasterizer->line_smooth) || (draw->rasterizer->point_size != 1.0 && draw->convert_wide_points) || draw->rasterizer->point_sprite) { draw->pipeline.wide->next = next; @@ -71,6 +82,12 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage ) precalc_flat = 1; /* only needed for lines really */ } + if (draw->rasterizer->poly_stipple_enable + && draw->pipeline.pstipple) { + draw->pipeline.pstipple->next = next; + next = draw->pipeline.pstipple; + } + if (draw->rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL || draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL) { draw->pipeline.unfilled->next = next; diff --git a/src/gallium/auxiliary/draw/draw_vertex_cache.c b/src/gallium/auxiliary/draw/draw_vertex_cache.c index 44427999cc..53f8bbec44 100644 --- a/src/gallium/auxiliary/draw/draw_vertex_cache.c +++ b/src/gallium/auxiliary/draw/draw_vertex_cache.c @@ -41,7 +41,7 @@ void draw_vertex_cache_invalidate( struct draw_context *draw ) assert(draw->vs.queue_nr == 0); assert(draw->vcache.referenced == 0); - memset(draw->vcache.idx, ~0, sizeof(draw->vcache.idx)); +// memset(draw->vcache.idx, ~0, sizeof(draw->vcache.idx)); } @@ -62,43 +62,51 @@ static struct vertex_header *get_vertex( struct draw_context *draw, assert(slot < 32); /* so we don't exceed the bitfield size below */ - /* Cache miss? - */ - if (draw->vcache.idx[slot] != i) { - - /* If slot is in use, use the overflow area: + if (draw->vcache.referenced & (1<<slot)) + { + /* Cache hit? */ - if (draw->vcache.referenced & (1 << slot)) { - slot = VCACHE_SIZE + draw->vcache.overflow++; + if (draw->vcache.idx[slot].in == i) { +// _mesa_printf("HIT %d %d\n", slot, i); + assert(draw->vcache.idx[slot].out < draw->vs.queue_nr); + return draw->vs.queue[draw->vcache.idx[slot].out].vertex; } + /* Otherwise a collision + */ + slot = VCACHE_SIZE + draw->vcache.overflow++; +// _mesa_printf("XXX %d --> %d\n", i, slot); + } + + /* Deal with the cache miss: + */ + { + unsigned out; + assert(slot < Elements(draw->vcache.idx)); - draw->vcache.idx[slot] = i; +// _mesa_printf("NEW %d %d\n", slot, i); + draw->vcache.idx[slot].in = i; + draw->vcache.idx[slot].out = out = draw->vs.queue_nr++; + draw->vcache.referenced |= (1 << slot); + /* Add to vertex shader queue: */ assert(draw->vs.queue_nr < VS_QUEUE_LENGTH); - draw->vs.queue[draw->vs.queue_nr].dest = draw->vcache.vertex[slot]; - draw->vs.queue[draw->vs.queue_nr].elt = i; - draw->vs.queue_nr++; + + draw->vs.queue[out].elt = i; + draw->vs.queue[out].vertex->clipmask = 0; + draw->vs.queue[out].vertex->edgeflag = 1; /*XXX use user's edge flag! */ + draw->vs.queue[out].vertex->pad = 0; + draw->vs.queue[out].vertex->vertex_id = UNDEFINED_VERTEX_ID; /* Need to set the vertex's edge flag here. If we're being called * by do_ef_triangle(), that function needs edge flag info! */ - draw->vcache.vertex[slot]->clipmask = 0; - draw->vcache.vertex[slot]->edgeflag = 1; /*XXX use user's edge flag! */ - draw->vcache.vertex[slot]->pad = 0; - draw->vcache.vertex[slot]->vertex_id = UNDEFINED_VERTEX_ID; - } - - /* primitive flushing may have cleared the bitfield but did not - * clear the idx[] array values. Set the bit now. This fixes a - * bug found when drawing long triangle fans. - */ - draw->vcache.referenced |= (1 << slot); - return draw->vcache.vertex[slot]; + return draw->vs.queue[draw->vcache.idx[slot].out].vertex; + } } @@ -130,8 +138,8 @@ void draw_vertex_cache_reset_vertex_ids( struct draw_context *draw ) { unsigned i; - for (i = 0; i < Elements(draw->vcache.vertex); i++) - draw->vcache.vertex[i]->vertex_id = UNDEFINED_VERTEX_ID; + for (i = 0; i < draw->vs.post_nr; i++) + draw->vs.queue[i].vertex->vertex_id = UNDEFINED_VERTEX_ID; } diff --git a/src/gallium/auxiliary/draw/draw_vertex_shader.c b/src/gallium/auxiliary/draw/draw_vertex_shader.c index f68f6e3244..5d2f5c9c43 100644 --- a/src/gallium/auxiliary/draw/draw_vertex_shader.c +++ b/src/gallium/auxiliary/draw/draw_vertex_shader.c @@ -55,7 +55,7 @@ draw_vertex_shader_queue_flush(struct draw_context *draw) */ shader->prepare( shader, draw ); -// fprintf(stderr, " q(%d) ", draw->vs.queue_nr ); +// fprintf(stderr, "%s %d\n", __FUNCTION__, draw->vs.queue_nr ); /* run vertex shader on vertex cache entries, four per invokation */ for (i = 0; i < draw->vs.queue_nr; i += 4) { @@ -65,12 +65,12 @@ draw_vertex_shader_queue_flush(struct draw_context *draw) for (j = 0; j < n; j++) { elts[j] = draw->vs.queue[i + j].elt; - dests[j] = draw->vs.queue[i + j].dest; + dests[j] = draw->vs.queue[i + j].vertex; } for ( ; j < 4; j++) { elts[j] = elts[0]; - dests[j] = dests[0]; + dests[j] = draw->vs.queue[i + j].vertex; } assert(n > 0); @@ -79,6 +79,7 @@ draw_vertex_shader_queue_flush(struct draw_context *draw) shader->run(shader, draw, elts, n, dests); } + draw->vs.post_nr = draw->vs.queue_nr; draw->vs.queue_nr = 0; } diff --git a/src/gallium/auxiliary/draw/draw_vf.c b/src/gallium/auxiliary/draw/draw_vf.c index dc3a5ecd21..901ff20a7e 100644 --- a/src/gallium/auxiliary/draw/draw_vf.c +++ b/src/gallium/auxiliary/draw/draw_vf.c @@ -30,6 +30,7 @@ #include "pipe/p_compiler.h" #include "pipe/p_util.h" +#include "rtasm/rtasm_execmem.h" #include "draw_vf.h" @@ -37,11 +38,6 @@ #define DRAW_VF_DBG 0 -/* TODO: remove this */ -extern void -_mesa_exec_free( void *addr ); - - static boolean match_fastpath( struct draw_vertex_fetch *vf, const struct draw_vf_fastpath *fp) { @@ -414,12 +410,12 @@ void draw_vf_destroy( struct draw_vertex_fetch *vf ) FREE(fp->attr); /* KW: At the moment, fp->func is constrained to be allocated by - * _mesa_exec_alloc(), as the hardwired fastpaths in + * rtasm_exec_alloc(), as the hardwired fastpaths in * t_vertex_generic.c are handled specially. It would be nice * to unify them, but this probably won't change until this * module gets another overhaul. */ - //_mesa_exec_free((void *) fp->func); + //rtasm_exec_free((void *) fp->func); FREE(fp); } diff --git a/src/gallium/auxiliary/draw/draw_vf_sse.c b/src/gallium/auxiliary/draw/draw_vf_sse.c index 1ad2ae756d..aff4ffd985 100644 --- a/src/gallium/auxiliary/draw/draw_vf_sse.c +++ b/src/gallium/auxiliary/draw/draw_vf_sse.c @@ -26,17 +26,16 @@ */ -#include "simple_list.h" - #include "pipe/p_compiler.h" +#include "util/u_simple_list.h" #include "draw_vf.h" #if defined(USE_SSE_ASM) -#include "x86/rtasm/x86sse.h" -#include "x86/common_x86_asm.h" +#include "rtasm/rtasm_cpu.h" +#include "rtasm/rtasm_x86sse.h" #define X 0 @@ -576,7 +575,7 @@ void draw_vf_generate_sse_emit( struct draw_vertex_fetch *vf ) { struct x86_program p; - if (!cpu_has_xmm) { + if (!rtasm_cpu_has_sse()) { vf->codegen_emit = NULL; return; } @@ -586,7 +585,7 @@ void draw_vf_generate_sse_emit( struct draw_vertex_fetch *vf ) p.vf = vf; p.inputs_safe = 0; /* for now */ p.outputs_safe = 1; /* for now */ - p.have_sse2 = cpu_has_xmm2; + p.have_sse2 = rtasm_cpu_has_sse2(); p.identity = x86_make_reg(file_XMM, 6); p.chan0 = x86_make_reg(file_XMM, 7); diff --git a/src/gallium/auxiliary/draw/draw_vs_llvm.c b/src/gallium/auxiliary/draw/draw_vs_llvm.c index 44022b6e07..0fd557d667 100644 --- a/src/gallium/auxiliary/draw/draw_vs_llvm.c +++ b/src/gallium/auxiliary/draw/draw_vs_llvm.c @@ -40,7 +40,7 @@ #ifdef MESA_LLVM -#include "llvm/gallivm.h" +#include "gallivm/gallivm.h" struct draw_llvm_vertex_shader { struct draw_vertex_shader base; diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c index 27bc66812c..11ef0c503d 100644 --- a/src/gallium/auxiliary/draw/draw_vs_sse.c +++ b/src/gallium/auxiliary/draw/draw_vs_sse.c @@ -41,7 +41,7 @@ #include "draw_private.h" #include "draw_context.h" -#include "x86/rtasm/x86sse.h" +#include "rtasm/rtasm_x86sse.h" #include "tgsi/exec/tgsi_sse2.h" diff --git a/src/gallium/auxiliary/draw/draw_wide_prims.c b/src/gallium/auxiliary/draw/draw_wide_prims.c index 655774b155..1f8069bdca 100644 --- a/src/gallium/auxiliary/draw/draw_wide_prims.c +++ b/src/gallium/auxiliary/draw/draw_wide_prims.c @@ -162,70 +162,6 @@ static void wide_line( struct draw_stage *stage, /** - * Draw a wide line by drawing a quad, using geometry which will - * fullfill GL's antialiased line requirements. - */ -static void wide_line_aa(struct draw_stage *stage, - struct prim_header *header) -{ - const struct wide_stage *wide = wide_stage(stage); - const float half_width = wide->half_line_width; - struct prim_header tri; - struct vertex_header *v[4]; - float *pos; - float dx = header->v[1]->data[0][0] - header->v[0]->data[0][0]; - float dy = header->v[1]->data[0][1] - header->v[0]->data[0][1]; - const float len = (float) sqrt(dx * dx + dy * dy); - uint i; - - dx = dx * half_width / len; - dy = dy * half_width / len; - - /* allocate/dup new verts */ - for (i = 0; i < 4; i++) { - v[i] = dup_vert(stage, header->v[i/2], i); - } - - /* - * Quad for line from v0 to v1: - * - * 1 3 - * +-------------------------+ - * | | - * *v0 v1* - * | | - * +-------------------------+ - * 0 2 - */ - - pos = v[0]->data[0]; - pos[0] += dy; - pos[1] -= dx; - - pos = v[1]->data[0]; - pos[0] -= dy; - pos[1] += dx; - - pos = v[2]->data[0]; - pos[0] += dy; - pos[1] -= dx; - - pos = v[3]->data[0]; - pos[0] -= dy; - pos[1] += dx; - - tri.det = header->det; /* only the sign matters */ - - tri.v[0] = v[2]; tri.v[1] = v[1]; tri.v[2] = v[0]; - stage->next->tri( stage->next, &tri ); - - tri.v[0] = v[3]; tri.v[1] = v[1]; tri.v[2] = v[2]; - stage->next->tri( stage->next, &tri ); - -} - - -/** * Set the vertex texcoords for sprite mode. * Coords may be left untouched or set to a right-side-up or upside-down * orientation. @@ -379,10 +315,7 @@ static void wide_first_line( struct draw_stage *stage, wide->half_line_width = 0.5f * draw->rasterizer->line_width; if (draw->rasterizer->line_width != 1.0) { - if (draw->rasterizer->line_smooth) - wide->stage.line = wide_line_aa; - else - wide->stage.line = wide_line; + wide->stage.line = wide_line; } else { wide->stage.line = passthrough_line; |