X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fsoftpipe%2Fsp_setup.c;h=a91e4f588c8e5f83e5c016293f58d22ed1ecedfa;hb=8c9b9aac7d09e65195dca6681d59c10e4ef713d9;hp=de3ae3c36962b6666eb9631cd8536b948ba4b740;hpb=862488075c5537b0613753b0d14c267527fc6199;p=mesa.git diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index de3ae3c3696..a91e4f588c8 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2007 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,7 +18,7 @@ * 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 + * IN NO EVENT SHALL VMWARE 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. @@ -28,21 +28,17 @@ /** * \brief Primitive rasterization/rendering (points, lines, triangles) * - * \author Keith Whitwell + * \author Keith Whitwell * \author Brian Paul */ #include "sp_context.h" -#include "sp_prim_setup.h" #include "sp_quad.h" #include "sp_quad_pipe.h" #include "sp_setup.h" #include "sp_state.h" #include "draw/draw_context.h" -#include "draw/draw_private.h" -#include "draw/draw_vertex.h" #include "pipe/p_shader_tokens.h" -#include "pipe/p_thread.h" #include "util/u_math.h" #include "util/u_memory.h" @@ -50,6 +46,7 @@ #define DEBUG_VERTS 0 #define DEBUG_FRAGS 0 + /** * Triangle edge info */ @@ -61,90 +58,17 @@ struct edge { int lines; /**< number of lines on this edge */ }; -#if SP_NUM_QUAD_THREADS > 1 -/* Set to 1 if you want other threads to be instantly - * notified of pending jobs. +/** + * Max number of quads (2x2 pixel blocks) to process per batch. + * This can't be arbitrarily increased since we depend on some 32-bit + * bitmasks (two bits per quad). */ -#define INSTANT_NOTEMPTY_NOTIFY 0 - -struct thread_info -{ - struct setup_context *setup; - uint id; - pipe_thread handle; -}; - -struct quad_job; +#define MAX_QUADS 16 -typedef void (* quad_job_routine)( struct setup_context *setup, uint thread, struct quad_job *job ); - -struct quad_job -{ - struct quad_header_input input; - struct quad_header_inout inout; - quad_job_routine routine; -}; - -#define NUM_QUAD_JOBS 64 - -struct quad_job_que -{ - struct quad_job jobs[NUM_QUAD_JOBS]; - uint first; - uint last; - pipe_mutex que_mutex; - pipe_condvar que_notfull_condvar; - pipe_condvar que_notempty_condvar; - uint jobs_added; - uint jobs_done; - pipe_condvar que_done_condvar; -}; - -static void -add_quad_job( struct quad_job_que *que, struct quad_header *quad, quad_job_routine routine ) -{ -#if INSTANT_NOTEMPTY_NOTIFY - boolean empty; -#endif - - /* Wait for empty slot, see if the que is empty. - */ - pipe_mutex_lock( que->que_mutex ); - while ((que->last + 1) % NUM_QUAD_JOBS == que->first) { -#if !INSTANT_NOTEMPTY_NOTIFY - pipe_condvar_broadcast( que->que_notempty_condvar ); -#endif - pipe_condvar_wait( que->que_notfull_condvar, que->que_mutex ); - } -#if INSTANT_NOTEMPTY_NOTIFY - empty = que->last == que->first; -#endif - que->jobs_added++; - pipe_mutex_unlock( que->que_mutex ); - - /* Submit new job. - */ - que->jobs[que->last].input = quad->input; - que->jobs[que->last].inout = quad->inout; - que->jobs[que->last].routine = routine; - que->last = (que->last + 1) % NUM_QUAD_JOBS; - -#if INSTANT_NOTEMPTY_NOTIFY - /* If the que was empty, notify consumers there's a job to be done. - */ - if (empty) { - pipe_mutex_lock( que->que_mutex ); - pipe_condvar_broadcast( que->que_notempty_condvar ); - pipe_mutex_unlock( que->que_mutex ); - } -#endif -} - -#endif /** - * Triangle setup info (derived from draw_stage). + * Triangle setup info. * Also used for line drawing (taking some liberties). */ struct setup_context { @@ -164,22 +88,22 @@ struct setup_context { struct edge emaj; float oneoverarea; + int facing; + + float pixel_offset; + unsigned max_layer; + + struct quad_header quad[MAX_QUADS]; + struct quad_header *quad_ptrs[MAX_QUADS]; + unsigned count; struct tgsi_interp_coef coef[PIPE_MAX_SHADER_INPUTS]; struct tgsi_interp_coef posCoef; /* For Z, W */ - struct quad_header quad; - -#if SP_NUM_QUAD_THREADS > 1 - struct quad_job_que que; - struct thread_info threads[SP_NUM_QUAD_THREADS]; -#endif struct { int left[2]; /**< [0] = row0, [1] = row1 */ int right[2]; int y; - unsigned y_flags; - unsigned mask; /**< mask of MASK_BOTTOM/TOP_LEFT/RIGHT bits */ } span; #if DEBUG_FRAGS @@ -187,104 +111,24 @@ struct setup_context { uint numFragsWritten; /**< per primitive */ #endif - unsigned winding; /* which winding to cull */ + unsigned cull_face; /* which faces cull */ + unsigned nr_vertex_attrs; }; -#if SP_NUM_QUAD_THREADS > 1 - -static PIPE_THREAD_ROUTINE( quad_thread, param ) -{ - struct thread_info *info = (struct thread_info *) param; - struct quad_job_que *que = &info->setup->que; - - for (;;) { - struct quad_job job; - boolean full; - - /* Wait for an available job. - */ - pipe_mutex_lock( que->que_mutex ); - while (que->last == que->first) - pipe_condvar_wait( que->que_notempty_condvar, que->que_mutex ); - - /* See if the que is full. - */ - full = (que->last + 1) % NUM_QUAD_JOBS == que->first; - - /* Take a job and remove it from que. - */ - job = que->jobs[que->first]; - que->first = (que->first + 1) % NUM_QUAD_JOBS; - - /* Notify the producer if the que is not full. - */ - if (full) - pipe_condvar_signal( que->que_notfull_condvar ); - pipe_mutex_unlock( que->que_mutex ); - - job.routine( info->setup, info->id, &job ); - - /* Notify the producer if that's the last finished job. - */ - pipe_mutex_lock( que->que_mutex ); - que->jobs_done++; - if (que->jobs_added == que->jobs_done) - pipe_condvar_signal( que->que_done_condvar ); - pipe_mutex_unlock( que->que_mutex ); - } - - return NULL; -} - -#define WAIT_FOR_COMPLETION(setup) \ - do {\ - pipe_mutex_lock( setup->que.que_mutex );\ - if (!INSTANT_NOTEMPTY_NOTIFY)\ - pipe_condvar_broadcast( setup->que.que_notempty_condvar );\ - while (setup->que.jobs_added != setup->que.jobs_done)\ - pipe_condvar_wait( setup->que.que_done_condvar, setup->que.que_mutex );\ - pipe_mutex_unlock( setup->que.que_mutex );\ - } while (0) - -#else - -#define WAIT_FOR_COMPLETION(setup) ((void) 0) - -#endif - -/** - * Do triangle cull test using tri determinant (sign indicates orientation) - * \return true if triangle is to be culled. - */ -static INLINE boolean -cull_tri(const struct setup_context *setup, float det) -{ - if (det != 0) { - /* if (det < 0 then Z points toward camera and triangle is - * counter-clockwise winding. - */ - unsigned winding = (det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW; - if ((winding & setup->winding) == 0) - return FALSE; - } - - /* Culled: - */ - return TRUE; -} /** * Clip setup->quad against the scissor/surface bounds. */ -static INLINE void -quad_clip( struct setup_context *setup, struct quad_header *quad ) +static inline void +quad_clip(struct setup_context *setup, struct quad_header *quad) { - const struct pipe_scissor_state *cliprect = &setup->softpipe->cliprect; + unsigned viewport_index = quad[0].input.viewport_index; + const struct pipe_scissor_state *cliprect = &setup->softpipe->cliprect[viewport_index]; const int minx = (int) cliprect->minx; const int maxx = (int) cliprect->maxx; const int miny = (int) cliprect->miny; @@ -312,191 +156,119 @@ quad_clip( struct setup_context *setup, struct quad_header *quad ) /** * Emit a quad (pass to next stage) with clipping. */ -static INLINE void -clip_emit_quad( struct setup_context *setup, struct quad_header *quad, uint thread ) +static inline void +clip_emit_quad(struct setup_context *setup, struct quad_header *quad) { - quad_clip( setup, quad ); + quad_clip(setup, quad); + if (quad->inout.mask) { struct softpipe_context *sp = setup->softpipe; - sp->quad[thread].first->run( sp->quad[thread].first, quad ); - } -} - -#if SP_NUM_QUAD_THREADS > 1 - -static void -clip_emit_quad_job( struct setup_context *setup, uint thread, struct quad_job *job ) -{ - struct quad_header quad; - - quad.input = job->input; - quad.inout = job->inout; - quad.coef = setup->quad.coef; - quad.posCoef = setup->quad.posCoef; - quad.nr_attrs = setup->quad.nr_attrs; - clip_emit_quad( setup, &quad, thread ); -} - -#define CLIP_EMIT_QUAD(setup) add_quad_job( &setup->que, &setup->quad, clip_emit_quad_job ) - -#else - -#define CLIP_EMIT_QUAD(setup) clip_emit_quad( setup, &setup->quad, 0 ) - -#endif - -/** - * Emit a quad (pass to next stage). No clipping is done. - */ -static INLINE void -emit_quad( struct setup_context *setup, struct quad_header *quad, uint thread ) -{ - struct softpipe_context *sp = setup->softpipe; #if DEBUG_FRAGS - uint mask = quad->inout.mask; + setup->numFragsEmitted += util_bitcount(quad->inout.mask); #endif -#if DEBUG_FRAGS - if (mask & 1) setup->numFragsEmitted++; - if (mask & 2) setup->numFragsEmitted++; - if (mask & 4) setup->numFragsEmitted++; - if (mask & 8) setup->numFragsEmitted++; -#endif - sp->quad[thread].first->run( sp->quad[thread].first, quad ); -#if DEBUG_FRAGS - mask = quad->inout.mask; - if (mask & 1) setup->numFragsWritten++; - if (mask & 2) setup->numFragsWritten++; - if (mask & 4) setup->numFragsWritten++; - if (mask & 8) setup->numFragsWritten++; -#endif -} - -#if SP_NUM_QUAD_THREADS > 1 - -static void -emit_quad_job( struct setup_context *setup, uint thread, struct quad_job *job ) -{ - struct quad_header quad; - - quad.input = job->input; - quad.inout = job->inout; - quad.coef = setup->quad.coef; - quad.posCoef = setup->quad.posCoef; - quad.nr_attrs = setup->quad.nr_attrs; - emit_quad( setup, &quad, thread ); + sp->quad.first->run( sp->quad.first, &quad, 1 ); + } } -#define EMIT_QUAD(setup,x,y,mask) do {\ - setup->quad.input.x0 = x;\ - setup->quad.input.y0 = y;\ - setup->quad.inout.mask = mask;\ - add_quad_job( &setup->que, &setup->quad, emit_quad_job );\ - } while (0) - -#else -#define EMIT_QUAD(setup,x,y,mask) do {\ - setup->quad.input.x0 = x;\ - setup->quad.input.y0 = y;\ - setup->quad.inout.mask = mask;\ - emit_quad( setup, &setup->quad, 0 );\ - } while (0) - -#endif /** * Given an X or Y coordinate, return the block/quad coordinate that it * belongs to. */ -static INLINE int block( int x ) +static inline int +block(int x) +{ + return x & ~(2-1); +} + + +static inline int +block_x(int x) { - return x & ~1; + return x & ~(16-1); } /** * Render a horizontal span of quads */ -static void flush_spans( struct setup_context *setup ) +static void +flush_spans(struct setup_context *setup) { + const int step = MAX_QUADS; const int xleft0 = setup->span.left[0]; const int xleft1 = setup->span.left[1]; const int xright0 = setup->span.right[0]; const int xright1 = setup->span.right[1]; - int minleft, maxright; + struct quad_stage *pipe = setup->softpipe->quad.first; + + const int minleft = block_x(MIN2(xleft0, xleft1)); + const int maxright = MAX2(xright0, xright1); int x; - switch (setup->span.y_flags) { - case 0x3: - /* both odd and even lines written (both quad rows) */ - minleft = block(MIN2(xleft0, xleft1)); - maxright = block(MAX2(xright0, xright1)); - for (x = minleft; x <= maxright; x += 2) { - /* determine which of the four pixels is inside the span bounds */ - uint mask = 0x0; - if (x >= xleft0 && x < xright0) - mask |= MASK_TOP_LEFT; - if (x >= xleft1 && x < xright1) - mask |= MASK_BOTTOM_LEFT; - if (x+1 >= xleft0 && x+1 < xright0) - mask |= MASK_TOP_RIGHT; - if (x+1 >= xleft1 && x+1 < xright1) - mask |= MASK_BOTTOM_RIGHT; - if (mask) - EMIT_QUAD( setup, x, setup->span.y, mask ); - } - break; - - case 0x1: - /* only even line written (quad top row) */ - minleft = block(xleft0); - maxright = block(xright0); - for (x = minleft; x <= maxright; x += 2) { - uint mask = 0x0; - if (x >= xleft0 && x < xright0) - mask |= MASK_TOP_LEFT; - if (x+1 >= xleft0 && x+1 < xright0) - mask |= MASK_TOP_RIGHT; - if (mask) - EMIT_QUAD( setup, x, setup->span.y, mask ); - } - break; - - case 0x2: - /* only odd line written (quad bottom row) */ - minleft = block(xleft1); - maxright = block(xright1); - for (x = minleft; x <= maxright; x += 2) { - uint mask = 0x0; - if (x >= xleft1 && x < xright1) - mask |= MASK_BOTTOM_LEFT; - if (x+1 >= xleft1 && x+1 < xright1) - mask |= MASK_BOTTOM_RIGHT; - if (mask) - EMIT_QUAD( setup, x, setup->span.y, mask ); - } - break; + /* process quads in horizontal chunks of 16 */ + for (x = minleft; x < maxright; x += step) { + unsigned skip_left0 = CLAMP(xleft0 - x, 0, step); + unsigned skip_left1 = CLAMP(xleft1 - x, 0, step); + unsigned skip_right0 = CLAMP(x + step - xright0, 0, step); + unsigned skip_right1 = CLAMP(x + step - xright1, 0, step); + unsigned lx = x; + unsigned q = 0; - default: - return; + unsigned skipmask_left0 = (1U << skip_left0) - 1U; + unsigned skipmask_left1 = (1U << skip_left1) - 1U; + + /* These calculations fail when step == 32 and skip_right == 0. + */ + unsigned skipmask_right0 = ~0U << (unsigned)(step - skip_right0); + unsigned skipmask_right1 = ~0U << (unsigned)(step - skip_right1); + + unsigned mask0 = ~skipmask_left0 & ~skipmask_right0; + unsigned mask1 = ~skipmask_left1 & ~skipmask_right1; + + if (mask0 | mask1) { + do { + unsigned quadmask = (mask0 & 3) | ((mask1 & 3) << 2); + if (quadmask) { + setup->quad[q].input.x0 = lx; + setup->quad[q].input.y0 = setup->span.y; + setup->quad[q].input.facing = setup->facing; + setup->quad[q].inout.mask = quadmask; + setup->quad_ptrs[q] = &setup->quad[q]; + q++; +#if DEBUG_FRAGS + setup->numFragsEmitted += util_bitcount(quadmask); +#endif + } + mask0 >>= 2; + mask1 >>= 2; + lx += 2; + } while (mask0 | mask1); + + pipe->run( pipe, setup->quad_ptrs, q ); + } } + setup->span.y = 0; - setup->span.y_flags = 0; setup->span.right[0] = 0; setup->span.right[1] = 0; + setup->span.left[0] = 1000000; /* greater than right[0] */ + setup->span.left[1] = 1000000; /* greater than right[1] */ } #if DEBUG_VERTS -static void print_vertex(const struct setup_context *setup, - const float (*v)[4]) +static void +print_vertex(const struct setup_context *setup, + const float (*v)[4]) { int i; - debug_printf(" Vertex: (%p)\n", v); - for (i = 0; i < setup->quad.nr_attrs; i++) { + debug_printf(" Vertex: (%p)\n", (void *) v); + for (i = 0; i < setup->nr_vertex_attrs; i++) { debug_printf(" %d: %f %f %f %f\n", i, v[i][0], v[i][1], v[i][2], v[i][3]); if (util_is_inf_or_nan(v[i][0])) { @@ -506,18 +278,23 @@ static void print_vertex(const struct setup_context *setup, } #endif + /** * Sort the vertices from top to bottom order, setting up the triangle * edge fields (ebot, emaj, etop). * \return FALSE if coords are inf/nan (cull the tri), TRUE otherwise */ -static boolean setup_sort_vertices( struct setup_context *setup, - float det, - const float (*v0)[4], - const float (*v1)[4], - const float (*v2)[4] ) +static boolean +setup_sort_vertices(struct setup_context *setup, + float det, + const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4]) { - setup->vprovoke = v2; + if (setup->softpipe->rasterizer->flatshade_first) + setup->vprovoke = v0; + else + setup->vprovoke = v2; /* determine bottom to top order of vertices */ { @@ -600,13 +377,69 @@ static boolean setup_sort_vertices( struct setup_context *setup, /* We need to know if this is a front or back-facing triangle for: * - the GLSL gl_FrontFacing fragment attribute (bool) * - two-sided stencil test + * 0 = front-facing, 1 = back-facing */ - setup->quad.input.facing = (det > 0.0) ^ (setup->softpipe->rasterizer->front_winding == PIPE_WINDING_CW); + setup->facing = + ((det < 0.0) ^ + (setup->softpipe->rasterizer->front_ccw)); + + { + unsigned face = setup->facing == 0 ? PIPE_FACE_FRONT : PIPE_FACE_BACK; + + if (face & setup->cull_face) + return FALSE; + } return TRUE; } +/* Apply cylindrical wrapping to v0, v1, v2 coordinates, if enabled. + * Input coordinates must be in [0, 1] range, otherwise results are undefined. + * Some combinations of coordinates produce invalid results, + * but this behaviour is acceptable. + */ +static void +tri_apply_cylindrical_wrap(float v0, + float v1, + float v2, + uint cylindrical_wrap, + float output[3]) +{ + if (cylindrical_wrap) { + float delta; + + delta = v1 - v0; + if (delta > 0.5f) { + v0 += 1.0f; + } + else if (delta < -0.5f) { + v1 += 1.0f; + } + + delta = v2 - v1; + if (delta > 0.5f) { + v1 += 1.0f; + } + else if (delta < -0.5f) { + v2 += 1.0f; + } + + delta = v0 - v2; + if (delta > 0.5f) { + v2 += 1.0f; + } + else if (delta < -0.5f) { + v0 += 1.0f; + } + } + + output[0] = v0; + output[1] = v1; + output[2] = v2; +} + + /** * Compute a0 for a constant-valued coefficient (GL_FLAT shading). * The value value comes from vertex[slot][i]. @@ -614,9 +447,10 @@ static boolean setup_sort_vertices( struct setup_context *setup, * \param slot which attribute slot * \param i which component of the slot (0..3) */ -static void const_coeff( struct setup_context *setup, - struct tgsi_interp_coef *coef, - uint vertSlot, uint i) +static void +const_coeff(struct setup_context *setup, + struct tgsi_interp_coef *coef, + uint vertSlot, uint i) { assert(i <= 3); @@ -632,13 +466,16 @@ static void const_coeff( struct setup_context *setup, /** * Compute a0, dadx and dady for a linearly interpolated coefficient, * for a triangle. + * v[0], v[1] and v[2] are vmin, vmid and vmax, respectively. */ -static void tri_linear_coeff( struct setup_context *setup, - struct tgsi_interp_coef *coef, - uint vertSlot, uint i) +static void +tri_linear_coeff(struct setup_context *setup, + struct tgsi_interp_coef *coef, + uint i, + const float v[3]) { - float botda = setup->vmid[vertSlot][i] - setup->vmin[vertSlot][i]; - float majda = setup->vmax[vertSlot][i] - setup->vmin[vertSlot][i]; + float botda = v[1] - v[0]; + float majda = v[2] - v[0]; float a = setup->ebot.dy * majda - botda * setup->emaj.dy; float b = setup->emaj.dx * botda - majda * setup->ebot.dx; float dadx = a * setup->oneoverarea; @@ -651,7 +488,7 @@ static void tri_linear_coeff( struct setup_context *setup, /* calculate a0 as the value which would be sampled for the * fragment at (0,0), taking into account that we want to sample at - * pixel centers, in other words (0.5, 0.5). + * pixel centers, in other words (pixel_offset, pixel_offset). * * this is neat but unfortunately not a good way to do things for * triangles with very large values of dadx or dady as it will @@ -661,17 +498,9 @@ static void tri_linear_coeff( struct setup_context *setup, * to define a0 as the sample at a pixel center somewhere near vmin * instead - i'll switch to this later. */ - coef->a0[i] = (setup->vmin[vertSlot][i] - - (dadx * (setup->vmin[0][0] - 0.5f) + - dady * (setup->vmin[0][1] - 0.5f))); - - /* - debug_printf("attr[%d].%c: %f dx:%f dy:%f\n", - slot, "xyzw"[i], - setup->coef[slot].a0[i], - setup->coef[slot].dadx[i], - setup->coef[slot].dady[i]); - */ + coef->a0[i] = (v[0] - + (dadx * (setup->vmin[0][0] - setup->pixel_offset) + + dady * (setup->vmin[0][1] - setup->pixel_offset))); } @@ -682,16 +511,19 @@ static void tri_linear_coeff( struct setup_context *setup, * the plane coefficients (a0, dadx, dady). * Later, when we compute the value at a particular fragment position we'll * divide the interpolated value by the interpolated W at that fragment. + * v[0], v[1] and v[2] are vmin, vmid and vmax, respectively. */ -static void tri_persp_coeff( struct setup_context *setup, - struct tgsi_interp_coef *coef, - uint vertSlot, uint i) +static void +tri_persp_coeff(struct setup_context *setup, + struct tgsi_interp_coef *coef, + uint i, + const float v[3]) { /* premultiply by 1/w (v[0][3] is always W): */ - float mina = setup->vmin[vertSlot][i] * setup->vmin[0][3]; - float mida = setup->vmid[vertSlot][i] * setup->vmid[0][3]; - float maxa = setup->vmax[vertSlot][i] * setup->vmax[0][3]; + float mina = v[0] * setup->vmin[0][3]; + float mida = v[1] * setup->vmid[0][3]; + float maxa = v[2] * setup->vmax[0][3]; float botda = mida - mina; float majda = maxa - mina; float a = setup->ebot.dy * majda - botda * setup->emaj.dy; @@ -699,40 +531,41 @@ static void tri_persp_coeff( struct setup_context *setup, float dadx = a * setup->oneoverarea; float dady = b * setup->oneoverarea; - /* - debug_printf("tri persp %d,%d: %f %f %f\n", vertSlot, i, - setup->vmin[vertSlot][i], - setup->vmid[vertSlot][i], - setup->vmax[vertSlot][i] - ); - */ assert(i <= 3); coef->dadx[i] = dadx; coef->dady[i] = dady; coef->a0[i] = (mina - - (dadx * (setup->vmin[0][0] - 0.5f) + - dady * (setup->vmin[0][1] - 0.5f))); + (dadx * (setup->vmin[0][0] - setup->pixel_offset) + + dady * (setup->vmin[0][1] - setup->pixel_offset))); } /** * Special coefficient setup for gl_FragCoord. - * X and Y are trivial, though Y has to be inverted for OpenGL. + * X and Y are trivial, though Y may have to be inverted for OpenGL. * Z and W are copied from posCoef which should have already been computed. * We could do a bit less work if we'd examine gl_FragCoord's swizzle mask. */ static void setup_fragcoord_coeff(struct setup_context *setup, uint slot) { + const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info; + boolean origin_lower_left = + fsInfo->properties[TGSI_PROPERTY_FS_COORD_ORIGIN]; + boolean pixel_center_integer = + fsInfo->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER]; + /*X*/ - setup->coef[slot].a0[0] = 0; - setup->coef[slot].dadx[0] = 1.0; - setup->coef[slot].dady[0] = 0.0; + setup->coef[slot].a0[0] = pixel_center_integer ? 0.0f : 0.5f; + setup->coef[slot].dadx[0] = 1.0f; + setup->coef[slot].dady[0] = 0.0f; /*Y*/ - setup->coef[slot].a0[1] = 0.0; - setup->coef[slot].dadx[1] = 0.0; - setup->coef[slot].dady[1] = 1.0; + setup->coef[slot].a0[1] = + (origin_lower_left ? setup->softpipe->framebuffer.height-1 : 0) + + (pixel_center_integer ? 0.0f : 0.5f); + setup->coef[slot].dadx[1] = 0.0f; + setup->coef[slot].dady[1] = origin_lower_left ? -1.0f : 1.0f; /*Z*/ setup->coef[slot].a0[2] = setup->posCoef.a0[2]; setup->coef[slot].dadx[2] = setup->posCoef.dadx[2]; @@ -749,76 +582,111 @@ setup_fragcoord_coeff(struct setup_context *setup, uint slot) * Compute the setup->coef[] array dadx, dady, a0 values. * Must be called after setup->vmin,vmid,vmax,vprovoke are initialized. */ -static void setup_tri_coefficients( struct setup_context *setup ) +static void +setup_tri_coefficients(struct setup_context *setup) { struct softpipe_context *softpipe = setup->softpipe; - const struct sp_fragment_shader *spfs = softpipe->fs; - const struct vertex_info *vinfo = softpipe_get_vertex_info(softpipe); + const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info; + const struct sp_setup_info *sinfo = &softpipe->setup_info; uint fragSlot; + float v[3]; + + assert(sinfo->valid); /* z and w are done by linear interpolation: */ - tri_linear_coeff(setup, &setup->posCoef, 0, 2); - tri_linear_coeff(setup, &setup->posCoef, 0, 3); + v[0] = setup->vmin[0][2]; + v[1] = setup->vmid[0][2]; + v[2] = setup->vmax[0][2]; + tri_linear_coeff(setup, &setup->posCoef, 2, v); + + v[0] = setup->vmin[0][3]; + v[1] = setup->vmid[0][3]; + v[2] = setup->vmax[0][3]; + tri_linear_coeff(setup, &setup->posCoef, 3, v); /* setup interpolation for all the remaining attributes: */ - for (fragSlot = 0; fragSlot < spfs->info.num_inputs; fragSlot++) { - const uint vertSlot = vinfo->attrib[fragSlot].src_index; + for (fragSlot = 0; fragSlot < fsInfo->num_inputs; fragSlot++) { + const uint vertSlot = sinfo->attrib[fragSlot].src_index; uint j; - switch (vinfo->attrib[fragSlot].interp_mode) { - case INTERP_CONSTANT: - for (j = 0; j < NUM_CHANNELS; j++) + switch (sinfo->attrib[fragSlot].interp) { + case SP_INTERP_CONSTANT: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) { const_coeff(setup, &setup->coef[fragSlot], vertSlot, j); + } break; - case INTERP_LINEAR: - for (j = 0; j < NUM_CHANNELS; j++) - tri_linear_coeff(setup, &setup->coef[fragSlot], vertSlot, j); + case SP_INTERP_LINEAR: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) { + tri_apply_cylindrical_wrap(setup->vmin[vertSlot][j], + setup->vmid[vertSlot][j], + setup->vmax[vertSlot][j], + fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j), + v); + tri_linear_coeff(setup, &setup->coef[fragSlot], j, v); + } break; - case INTERP_PERSPECTIVE: - for (j = 0; j < NUM_CHANNELS; j++) - tri_persp_coeff(setup, &setup->coef[fragSlot], vertSlot, j); + case SP_INTERP_PERSPECTIVE: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) { + tri_apply_cylindrical_wrap(setup->vmin[vertSlot][j], + setup->vmid[vertSlot][j], + setup->vmax[vertSlot][j], + fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j), + v); + tri_persp_coeff(setup, &setup->coef[fragSlot], j, v); + } break; - case INTERP_POS: + case SP_INTERP_POS: setup_fragcoord_coeff(setup, fragSlot); break; default: assert(0); } - if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { - setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing; + if (fsInfo->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { + /* convert 0 to 1.0 and 1 to -1.0 */ + setup->coef[fragSlot].a0[0] = setup->facing * -2.0f + 1.0f; setup->coef[fragSlot].dadx[0] = 0.0; setup->coef[fragSlot].dady[0] = 0.0; } + + if (0) { + for (j = 0; j < TGSI_NUM_CHANNELS; j++) { + debug_printf("attr[%d].%c: a0:%f dx:%f dy:%f\n", + fragSlot, "xyzw"[j], + setup->coef[fragSlot].a0[j], + setup->coef[fragSlot].dadx[j], + setup->coef[fragSlot].dady[j]); + } + } } } - -static void setup_tri_edges( struct setup_context *setup ) +static void +setup_tri_edges(struct setup_context *setup) { - float vmin_x = setup->vmin[0][0] + 0.5f; - float vmid_x = setup->vmid[0][0] + 0.5f; + float vmin_x = setup->vmin[0][0] + setup->pixel_offset; + float vmid_x = setup->vmid[0][0] + setup->pixel_offset; - float vmin_y = setup->vmin[0][1] - 0.5f; - float vmid_y = setup->vmid[0][1] - 0.5f; - float vmax_y = setup->vmax[0][1] - 0.5f; + float vmin_y = setup->vmin[0][1] - setup->pixel_offset; + float vmid_y = setup->vmid[0][1] - setup->pixel_offset; + float vmax_y = setup->vmax[0][1] - setup->pixel_offset; setup->emaj.sy = ceilf(vmin_y); setup->emaj.lines = (int) ceilf(vmax_y - setup->emaj.sy); - setup->emaj.dxdy = setup->emaj.dx / setup->emaj.dy; + setup->emaj.dxdy = setup->emaj.dy ? setup->emaj.dx / setup->emaj.dy : .0f; setup->emaj.sx = vmin_x + (setup->emaj.sy - vmin_y) * setup->emaj.dxdy; setup->etop.sy = ceilf(vmid_y); setup->etop.lines = (int) ceilf(vmax_y - setup->etop.sy); - setup->etop.dxdy = setup->etop.dx / setup->etop.dy; + setup->etop.dxdy = setup->etop.dy ? setup->etop.dx / setup->etop.dy : .0f; setup->etop.sx = vmid_x + (setup->etop.sy - vmid_y) * setup->etop.dxdy; setup->ebot.sy = ceilf(vmin_y); setup->ebot.lines = (int) ceilf(vmid_y - setup->ebot.sy); - setup->ebot.dxdy = setup->ebot.dx / setup->ebot.dy; + setup->ebot.dxdy = setup->ebot.dy ? setup->ebot.dx / setup->ebot.dy : .0f; setup->ebot.sx = vmin_x + (setup->ebot.sy - vmin_y) * setup->ebot.dxdy; } @@ -827,12 +695,14 @@ static void setup_tri_edges( struct setup_context *setup ) * Render the upper or lower half of a triangle. * Scissoring/cliprect is applied here too. */ -static void subtriangle( struct setup_context *setup, - struct edge *eleft, - struct edge *eright, - unsigned lines ) +static void +subtriangle(struct setup_context *setup, + struct edge *eleft, + struct edge *eright, + int lines, + unsigned viewport_index) { - const struct pipe_scissor_state *cliprect = &setup->softpipe->cliprect; + const struct pipe_scissor_state *cliprect = &setup->softpipe->cliprect[viewport_index]; const int minx = (int) cliprect->minx; const int maxx = (int) cliprect->maxx; const int miny = (int) cliprect->miny; @@ -841,14 +711,14 @@ static void subtriangle( struct setup_context *setup, int sy = (int)eleft->sy; assert((int)eleft->sy == (int) eright->sy); + assert(lines >= 0); /* clip top/bottom */ start_y = sy; - finish_y = sy + lines; - if (start_y < miny) start_y = miny; + finish_y = sy + lines; if (finish_y > maxy) finish_y = maxy; @@ -885,7 +755,6 @@ static void subtriangle( struct setup_context *setup, setup->span.left[_y&1] = left; setup->span.right[_y&1] = right; - setup->span.y_flags |= 1<<(_y&1); } } @@ -905,9 +774,9 @@ static void subtriangle( struct setup_context *setup, * calculate it here. */ static float -calc_det( const float (*v0)[4], - const float (*v1)[4], - const float (*v2)[4] ) +calc_det(const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4]) { /* edge vectors e = v0 - v2, f = v1 - v2 */ const float ex = v0[0][0] - v2[0][0]; @@ -923,13 +792,15 @@ calc_det( const float (*v0)[4], /** * Do setup for triangle rasterization, then render the triangle. */ -void setup_tri( struct setup_context *setup, - const float (*v0)[4], - const float (*v1)[4], - const float (*v2)[4] ) +void +sp_setup_tri(struct setup_context *setup, + const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4]) { float det; - + uint layer = 0; + unsigned viewport_index = 0; #if DEBUG_VERTS debug_printf("Setup triangle:\n"); print_vertex(setup, v0); @@ -937,7 +808,7 @@ void setup_tri( struct setup_context *setup, print_vertex(setup, v2); #endif - if (setup->softpipe->no_rast) + if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard) return; det = calc_det(v0, v1, v2); @@ -950,40 +821,50 @@ void setup_tri( struct setup_context *setup, setup->numFragsWritten = 0; #endif - if (cull_tri( setup, det )) - return; - if (!setup_sort_vertices( setup, det, v0, v1, v2 )) return; + setup_tri_coefficients( setup ); setup_tri_edges( setup ); - setup->quad.input.prim = QUAD_PRIM_TRI; + assert(setup->softpipe->reduced_prim == PIPE_PRIM_TRIANGLES); setup->span.y = 0; - setup->span.y_flags = 0; setup->span.right[0] = 0; setup->span.right[1] = 0; /* setup->span.z_mode = tri_z_mode( setup->ctx ); */ + if (setup->softpipe->layer_slot > 0) { + layer = *(unsigned *)setup->vprovoke[setup->softpipe->layer_slot]; + layer = MIN2(layer, setup->max_layer); + } + setup->quad[0].input.layer = layer; + + if (setup->softpipe->viewport_index_slot > 0) { + unsigned *udata = (unsigned*)v0[setup->softpipe->viewport_index_slot]; + viewport_index = sp_clamp_viewport_idx(*udata); + } + setup->quad[0].input.viewport_index = viewport_index; /* init_constant_attribs( setup ); */ if (setup->oneoverarea < 0.0) { /* emaj on left: */ - subtriangle( setup, &setup->emaj, &setup->ebot, setup->ebot.lines ); - subtriangle( setup, &setup->emaj, &setup->etop, setup->etop.lines ); + subtriangle(setup, &setup->emaj, &setup->ebot, setup->ebot.lines, viewport_index); + subtriangle(setup, &setup->emaj, &setup->etop, setup->etop.lines, viewport_index); } else { /* emaj on right: */ - subtriangle( setup, &setup->ebot, &setup->emaj, setup->ebot.lines ); - subtriangle( setup, &setup->etop, &setup->emaj, setup->etop.lines ); + subtriangle(setup, &setup->ebot, &setup->emaj, setup->ebot.lines, viewport_index); + subtriangle(setup, &setup->etop, &setup->emaj, setup->etop.lines, viewport_index); } flush_spans( setup ); - WAIT_FOR_COMPLETION(setup); + if (setup->softpipe->active_statistics_queries) { + setup->softpipe->pipeline_statistics.c_primitives++; + } #if DEBUG_FRAGS printf("Tri: %u frags emitted, %u written\n", @@ -993,47 +874,75 @@ void setup_tri( struct setup_context *setup, } +/* Apply cylindrical wrapping to v0, v1 coordinates, if enabled. + * Input coordinates must be in [0, 1] range, otherwise results are undefined. + */ +static void +line_apply_cylindrical_wrap(float v0, + float v1, + uint cylindrical_wrap, + float output[2]) +{ + if (cylindrical_wrap) { + float delta; + + delta = v1 - v0; + if (delta > 0.5f) { + v0 += 1.0f; + } + else if (delta < -0.5f) { + v1 += 1.0f; + } + } + + output[0] = v0; + output[1] = v1; +} + /** * Compute a0, dadx and dady for a linearly interpolated coefficient, * for a line. + * v[0] and v[1] are vmin and vmax, respectively. */ static void line_linear_coeff(const struct setup_context *setup, struct tgsi_interp_coef *coef, - uint vertSlot, uint i) + uint i, + const float v[2]) { - const float da = setup->vmax[vertSlot][i] - setup->vmin[vertSlot][i]; + const float da = v[1] - v[0]; const float dadx = da * setup->emaj.dx * setup->oneoverarea; const float dady = da * setup->emaj.dy * setup->oneoverarea; coef->dadx[i] = dadx; coef->dady[i] = dady; - coef->a0[i] = (setup->vmin[vertSlot][i] - - (dadx * (setup->vmin[0][0] - 0.5f) + - dady * (setup->vmin[0][1] - 0.5f))); + coef->a0[i] = (v[0] - + (dadx * (setup->vmin[0][0] - setup->pixel_offset) + + dady * (setup->vmin[0][1] - setup->pixel_offset))); } /** * Compute a0, dadx and dady for a perspective-corrected interpolant, * for a line. + * v[0] and v[1] are vmin and vmax, respectively. */ static void line_persp_coeff(const struct setup_context *setup, struct tgsi_interp_coef *coef, - uint vertSlot, uint i) + uint i, + const float v[2]) { - /* XXX double-check/verify this arithmetic */ - const float a0 = setup->vmin[vertSlot][i] * setup->vmin[0][3]; - const float a1 = setup->vmax[vertSlot][i] * setup->vmax[0][3]; + const float a0 = v[0] * setup->vmin[0][3]; + const float a1 = v[1] * setup->vmax[0][3]; const float da = a1 - a0; const float dadx = da * setup->emaj.dx * setup->oneoverarea; const float dady = da * setup->emaj.dy * setup->oneoverarea; coef->dadx[i] = dadx; coef->dady[i] = dady; - coef->a0[i] = (setup->vmin[vertSlot][i] - - (dadx * (setup->vmin[0][0] - 0.5f) + - dady * (setup->vmin[0][1] - 0.5f))); + coef->a0[i] = (a0 - + (dadx * (setup->vmin[0][0] - setup->pixel_offset) + + dady * (setup->vmin[0][1] - setup->pixel_offset))); } @@ -1041,16 +950,19 @@ line_persp_coeff(const struct setup_context *setup, * Compute the setup->coef[] array dadx, dady, a0 values. * Must be called after setup->vmin,vmax are initialized. */ -static INLINE boolean +static boolean setup_line_coefficients(struct setup_context *setup, const float (*v0)[4], const float (*v1)[4]) { struct softpipe_context *softpipe = setup->softpipe; - const struct sp_fragment_shader *spfs = softpipe->fs; - const struct vertex_info *vinfo = softpipe_get_vertex_info(softpipe); + const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info; + const struct sp_setup_info *sinfo = &softpipe->setup_info; uint fragSlot; float area; + float v[2]; + + assert(sinfo->valid); /* use setup->vmin, vmax to point to vertices */ if (softpipe->rasterizer->flatshade_first) @@ -1071,37 +983,53 @@ setup_line_coefficients(struct setup_context *setup, /* z and w are done by linear interpolation: */ - line_linear_coeff(setup, &setup->posCoef, 0, 2); - line_linear_coeff(setup, &setup->posCoef, 0, 3); + v[0] = setup->vmin[0][2]; + v[1] = setup->vmax[0][2]; + line_linear_coeff(setup, &setup->posCoef, 2, v); + + v[0] = setup->vmin[0][3]; + v[1] = setup->vmax[0][3]; + line_linear_coeff(setup, &setup->posCoef, 3, v); /* setup interpolation for all the remaining attributes: */ - for (fragSlot = 0; fragSlot < spfs->info.num_inputs; fragSlot++) { - const uint vertSlot = vinfo->attrib[fragSlot].src_index; + for (fragSlot = 0; fragSlot < fsInfo->num_inputs; fragSlot++) { + const uint vertSlot = sinfo->attrib[fragSlot].src_index; uint j; - switch (vinfo->attrib[fragSlot].interp_mode) { - case INTERP_CONSTANT: - for (j = 0; j < NUM_CHANNELS; j++) + switch (sinfo->attrib[fragSlot].interp) { + case SP_INTERP_CONSTANT: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) const_coeff(setup, &setup->coef[fragSlot], vertSlot, j); break; - case INTERP_LINEAR: - for (j = 0; j < NUM_CHANNELS; j++) - line_linear_coeff(setup, &setup->coef[fragSlot], vertSlot, j); + case SP_INTERP_LINEAR: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) { + line_apply_cylindrical_wrap(setup->vmin[vertSlot][j], + setup->vmax[vertSlot][j], + fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j), + v); + line_linear_coeff(setup, &setup->coef[fragSlot], j, v); + } break; - case INTERP_PERSPECTIVE: - for (j = 0; j < NUM_CHANNELS; j++) - line_persp_coeff(setup, &setup->coef[fragSlot], vertSlot, j); + case SP_INTERP_PERSPECTIVE: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) { + line_apply_cylindrical_wrap(setup->vmin[vertSlot][j], + setup->vmax[vertSlot][j], + fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j), + v); + line_persp_coeff(setup, &setup->coef[fragSlot], j, v); + } break; - case INTERP_POS: + case SP_INTERP_POS: setup_fragcoord_coeff(setup, fragSlot); break; default: assert(0); } - if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { - setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing; + if (fsInfo->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { + /* convert 0 to 1.0 and 1 to -1.0 */ + setup->coef[fragSlot].a0[0] = setup->facing * -2.0f + 1.0f; setup->coef[fragSlot].dadx[0] = 0.0; setup->coef[fragSlot].dady[0] = 0.0; } @@ -1113,7 +1041,7 @@ setup_line_coefficients(struct setup_context *setup, /** * Plot a pixel in a line segment. */ -static INLINE void +static inline void plot(struct setup_context *setup, int x, int y) { const int iy = y & 1; @@ -1122,20 +1050,20 @@ plot(struct setup_context *setup, int x, int y) const int quadY = y - iy; const int mask = (1 << ix) << (2 * iy); - if (quadX != setup->quad.input.x0 || - quadY != setup->quad.input.y0) + if (quadX != setup->quad[0].input.x0 || + quadY != setup->quad[0].input.y0) { /* flush prev quad, start new quad */ - if (setup->quad.input.x0 != -1) - CLIP_EMIT_QUAD(setup); + if (setup->quad[0].input.x0 != -1) + clip_emit_quad(setup, &setup->quad[0]); - setup->quad.input.x0 = quadX; - setup->quad.input.y0 = quadY; - setup->quad.inout.mask = 0x0; + setup->quad[0].input.x0 = quadX; + setup->quad[0].input.y0 = quadY; + setup->quad[0].inout.mask = 0x0; } - setup->quad.inout.mask |= mask; + setup->quad[0].inout.mask |= mask; } @@ -1145,9 +1073,9 @@ plot(struct setup_context *setup, int x, int y) * to handle stippling and wide lines. */ void -setup_line(struct setup_context *setup, - const float (*v0)[4], - const float (*v1)[4]) +sp_setup_line(struct setup_context *setup, + const float (*v0)[4], + const float (*v1)[4]) { int x0 = (int) v0[0][0]; int x1 = (int) v1[0][0]; @@ -1156,6 +1084,8 @@ setup_line(struct setup_context *setup, int dx = x1 - x0; int dy = y1 - y0; int xstep, ystep; + uint layer = 0; + unsigned viewport_index = 0; #if DEBUG_VERTS debug_printf("Setup line:\n"); @@ -1163,7 +1093,7 @@ setup_line(struct setup_context *setup, print_vertex(setup, v1); #endif - if (setup->softpipe->no_rast) + if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard) return; if (dx == 0 && dy == 0) @@ -1195,17 +1125,29 @@ setup_line(struct setup_context *setup, assert(dx >= 0); assert(dy >= 0); + assert(setup->softpipe->reduced_prim == PIPE_PRIM_LINES); + + setup->quad[0].input.x0 = setup->quad[0].input.y0 = -1; + setup->quad[0].inout.mask = 0x0; + if (setup->softpipe->layer_slot > 0) { + layer = *(unsigned *)setup->vprovoke[setup->softpipe->layer_slot]; + layer = MIN2(layer, setup->max_layer); + } + setup->quad[0].input.layer = layer; + + if (setup->softpipe->viewport_index_slot > 0) { + unsigned *udata = (unsigned*)setup->vprovoke[setup->softpipe->viewport_index_slot]; + viewport_index = sp_clamp_viewport_idx(*udata); + } + setup->quad[0].input.viewport_index = viewport_index; - setup->quad.input.x0 = setup->quad.input.y0 = -1; - setup->quad.inout.mask = 0x0; - setup->quad.input.prim = QUAD_PRIM_LINE; /* XXX temporary: set coverage to 1.0 so the line appears * if AA mode happens to be enabled. */ - setup->quad.input.coverage[0] = - setup->quad.input.coverage[1] = - setup->quad.input.coverage[2] = - setup->quad.input.coverage[3] = 1.0; + setup->quad[0].input.coverage[0] = + setup->quad[0].input.coverage[1] = + setup->quad[0].input.coverage[2] = + setup->quad[0].input.coverage[3] = 1.0; if (dx > dy) { /*** X-major line ***/ @@ -1249,11 +1191,9 @@ setup_line(struct setup_context *setup, } /* draw final quad */ - if (setup->quad.inout.mask) { - CLIP_EMIT_QUAD(setup); + if (setup->quad[0].inout.mask) { + clip_emit_quad(setup, &setup->quad[0]); } - - WAIT_FOR_COMPLETION(setup); } @@ -1276,11 +1216,11 @@ point_persp_coeff(const struct setup_context *setup, * XXX could optimize a lot for 1-pixel points. */ void -setup_point( struct setup_context *setup, - const float (*v0)[4] ) +sp_setup_point(struct setup_context *setup, + const float (*v0)[4]) { struct softpipe_context *softpipe = setup->softpipe; - const struct sp_fragment_shader *spfs = softpipe->fs; + const struct tgsi_shader_info *fsInfo = &setup->softpipe->fs_variant->info; const int sizeAttr = setup->softpipe->psize_slot; const float size = sizeAttr > 0 ? v0[sizeAttr][0] @@ -1289,17 +1229,34 @@ setup_point( struct setup_context *setup, const boolean round = (boolean) setup->softpipe->rasterizer->point_smooth; const float x = v0[0][0]; /* Note: data[0] is always position */ const float y = v0[0][1]; - const struct vertex_info *vinfo = softpipe_get_vertex_info(softpipe); + const struct sp_setup_info *sinfo = &softpipe->setup_info; uint fragSlot; - + uint layer = 0; + unsigned viewport_index = 0; #if DEBUG_VERTS debug_printf("Setup point:\n"); print_vertex(setup, v0); #endif - if (softpipe->no_rast) + assert(sinfo->valid); + + if (setup->softpipe->no_rast || setup->softpipe->rasterizer->rasterizer_discard) return; + assert(setup->softpipe->reduced_prim == PIPE_PRIM_POINTS); + + if (setup->softpipe->layer_slot > 0) { + layer = *(unsigned *)v0[setup->softpipe->layer_slot]; + layer = MIN2(layer, setup->max_layer); + } + setup->quad[0].input.layer = layer; + + if (setup->softpipe->viewport_index_slot > 0) { + unsigned *udata = (unsigned*)v0[setup->softpipe->viewport_index_slot]; + viewport_index = sp_clamp_viewport_idx(*udata); + } + setup->quad[0].input.viewport_index = viewport_index; + /* For points, all interpolants are constant-valued. * However, for point sprites, we'll need to setup texcoords appropriately. * XXX: which coefficients are the texcoords??? @@ -1322,46 +1279,46 @@ setup_point( struct setup_context *setup, const_coeff(setup, &setup->posCoef, 0, 2); const_coeff(setup, &setup->posCoef, 0, 3); - for (fragSlot = 0; fragSlot < spfs->info.num_inputs; fragSlot++) { - const uint vertSlot = vinfo->attrib[fragSlot].src_index; + for (fragSlot = 0; fragSlot < fsInfo->num_inputs; fragSlot++) { + const uint vertSlot = sinfo->attrib[fragSlot].src_index; uint j; - switch (vinfo->attrib[fragSlot].interp_mode) { - case INTERP_CONSTANT: + switch (sinfo->attrib[fragSlot].interp) { + case SP_INTERP_CONSTANT: /* fall-through */ - case INTERP_LINEAR: - for (j = 0; j < NUM_CHANNELS; j++) + case SP_INTERP_LINEAR: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) const_coeff(setup, &setup->coef[fragSlot], vertSlot, j); break; - case INTERP_PERSPECTIVE: - for (j = 0; j < NUM_CHANNELS; j++) + case SP_INTERP_PERSPECTIVE: + for (j = 0; j < TGSI_NUM_CHANNELS; j++) point_persp_coeff(setup, setup->vprovoke, &setup->coef[fragSlot], vertSlot, j); break; - case INTERP_POS: + case SP_INTERP_POS: setup_fragcoord_coeff(setup, fragSlot); break; default: assert(0); } - if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { - setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing; + if (fsInfo->input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { + /* convert 0 to 1.0 and 1 to -1.0 */ + setup->coef[fragSlot].a0[0] = setup->facing * -2.0f + 1.0f; setup->coef[fragSlot].dadx[0] = 0.0; setup->coef[fragSlot].dady[0] = 0.0; } } - setup->quad.input.prim = QUAD_PRIM_POINT; if (halfSize <= 0.5 && !round) { /* special case for 1-pixel points */ const int ix = ((int) x) & 1; const int iy = ((int) y) & 1; - setup->quad.input.x0 = (int) x - ix; - setup->quad.input.y0 = (int) y - iy; - setup->quad.inout.mask = (1 << ix) << (2 * iy); - CLIP_EMIT_QUAD(setup); + setup->quad[0].input.x0 = (int) x - ix; + setup->quad[0].input.y0 = (int) y - iy; + setup->quad[0].inout.mask = (1 << ix) << (2 * iy); + clip_emit_quad(setup, &setup->quad[0]); } else { if (round) { @@ -1381,15 +1338,15 @@ setup_point( struct setup_context *setup, for (ix = ixmin; ix <= ixmax; ix += 2) { float dx, dy, dist2, cover; - setup->quad.inout.mask = 0x0; + setup->quad[0].inout.mask = 0x0; dx = (ix + 0.5f) - x; dy = (iy + 0.5f) - y; dist2 = dx * dx + dy * dy; if (dist2 <= rmax2) { cover = 1.0F - (dist2 - rmin2) * cscale; - setup->quad.input.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f); - setup->quad.inout.mask |= MASK_TOP_LEFT; + setup->quad[0].input.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f); + setup->quad[0].inout.mask |= MASK_TOP_LEFT; } dx = (ix + 1.5f) - x; @@ -1397,8 +1354,8 @@ setup_point( struct setup_context *setup, dist2 = dx * dx + dy * dy; if (dist2 <= rmax2) { cover = 1.0F - (dist2 - rmin2) * cscale; - setup->quad.input.coverage[QUAD_TOP_RIGHT] = MIN2(cover, 1.0f); - setup->quad.inout.mask |= MASK_TOP_RIGHT; + setup->quad[0].input.coverage[QUAD_TOP_RIGHT] = MIN2(cover, 1.0f); + setup->quad[0].inout.mask |= MASK_TOP_RIGHT; } dx = (ix + 0.5f) - x; @@ -1406,8 +1363,8 @@ setup_point( struct setup_context *setup, dist2 = dx * dx + dy * dy; if (dist2 <= rmax2) { cover = 1.0F - (dist2 - rmin2) * cscale; - setup->quad.input.coverage[QUAD_BOTTOM_LEFT] = MIN2(cover, 1.0f); - setup->quad.inout.mask |= MASK_BOTTOM_LEFT; + setup->quad[0].input.coverage[QUAD_BOTTOM_LEFT] = MIN2(cover, 1.0f); + setup->quad[0].inout.mask |= MASK_BOTTOM_LEFT; } dx = (ix + 1.5f) - x; @@ -1415,14 +1372,14 @@ setup_point( struct setup_context *setup, dist2 = dx * dx + dy * dy; if (dist2 <= rmax2) { cover = 1.0F - (dist2 - rmin2) * cscale; - setup->quad.input.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f); - setup->quad.inout.mask |= MASK_BOTTOM_RIGHT; + setup->quad[0].input.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f); + setup->quad[0].inout.mask |= MASK_BOTTOM_RIGHT; } - if (setup->quad.inout.mask) { - setup->quad.input.x0 = ix; - setup->quad.input.y0 = iy; - CLIP_EMIT_QUAD(setup); + if (setup->quad[0].inout.mask) { + setup->quad[0].input.x0 = ix; + setup->quad[0].input.y0 = iy; + clip_emit_quad(setup, &setup->quad[0]); } } } @@ -1466,49 +1423,77 @@ setup_point( struct setup_context *setup, mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT); } - setup->quad.inout.mask = mask; - setup->quad.input.x0 = ix; - setup->quad.input.y0 = iy; - CLIP_EMIT_QUAD(setup); + setup->quad[0].inout.mask = mask; + setup->quad[0].input.x0 = ix; + setup->quad[0].input.y0 = iy; + clip_emit_quad(setup, &setup->quad[0]); } } } } - - WAIT_FOR_COMPLETION(setup); } -void setup_prepare( struct setup_context *setup ) + +/** + * Called by vbuf code just before we start buffering primitives. + */ +void +sp_setup_prepare(struct setup_context *setup) { struct softpipe_context *sp = setup->softpipe; - unsigned i; - + int i; + unsigned max_layer = ~0; if (sp->dirty) { - softpipe_update_derived(sp); + softpipe_update_derived(sp, sp->reduced_api_prim); } /* Note: nr_attrs is only used for debugging (vertex printing) */ - setup->quad.nr_attrs = draw_num_vs_outputs(sp->draw); + setup->nr_vertex_attrs = draw_num_shader_outputs(sp->draw); + + /* + * Determine how many layers the fb has (used for clamping layer value). + * OpenGL (but not d3d10) permits different amount of layers per rt, however + * results are undefined if layer exceeds the amount of layers of ANY + * attachment hence don't need separate per cbuf and zsbuf max. + */ + for (i = 0; i < setup->softpipe->framebuffer.nr_cbufs; i++) { + struct pipe_surface *cbuf = setup->softpipe->framebuffer.cbufs[i]; + if (cbuf) { + max_layer = MIN2(max_layer, + cbuf->u.tex.last_layer - cbuf->u.tex.first_layer); - for (i = 0; i < SP_NUM_QUAD_THREADS; i++) { - sp->quad[i].first->begin( sp->quad[i].first ); + } } + /* Prepare pixel offset for rasterisation: + * - pixel center (0.5, 0.5) for GL, or + * - assume (0.0, 0.0) for other APIs. + */ + if (setup->softpipe->rasterizer->half_pixel_center) { + setup->pixel_offset = 0.5f; + } else { + setup->pixel_offset = 0.0f; + } + + setup->max_layer = max_layer; + + sp->quad.first->begin( sp->quad.first ); + if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES && - sp->rasterizer->fill_cw == PIPE_POLYGON_MODE_FILL && - sp->rasterizer->fill_ccw == PIPE_POLYGON_MODE_FILL) { + sp->rasterizer->fill_front == PIPE_POLYGON_MODE_FILL && + sp->rasterizer->fill_back == PIPE_POLYGON_MODE_FILL) { /* we'll do culling */ - setup->winding = sp->rasterizer->cull_mode; + setup->cull_face = sp->rasterizer->cull_face; } else { /* 'draw' will do culling */ - setup->winding = PIPE_WINDING_NONE; + setup->cull_face = PIPE_FACE_NONE; } } - -void setup_destroy_context( struct setup_context *setup ) +void +sp_setup_destroy_context(struct setup_context *setup) { FREE( setup ); } @@ -1517,34 +1502,21 @@ void setup_destroy_context( struct setup_context *setup ) /** * Create a new primitive setup/render stage. */ -struct setup_context *setup_create_context( struct softpipe_context *softpipe ) +struct setup_context * +sp_setup_create_context(struct softpipe_context *softpipe) { struct setup_context *setup = CALLOC_STRUCT(setup_context); -#if SP_NUM_QUAD_THREADS > 1 - uint i; -#endif + unsigned i; setup->softpipe = softpipe; - setup->quad.coef = setup->coef; - setup->quad.posCoef = &setup->posCoef; - -#if SP_NUM_QUAD_THREADS > 1 - setup->que.first = 0; - setup->que.last = 0; - pipe_mutex_init( setup->que.que_mutex ); - pipe_condvar_init( setup->que.que_notfull_condvar ); - pipe_condvar_init( setup->que.que_notempty_condvar ); - setup->que.jobs_added = 0; - setup->que.jobs_done = 0; - pipe_condvar_init( setup->que.que_done_condvar ); - for (i = 0; i < SP_NUM_QUAD_THREADS; i++) { - setup->threads[i].setup = setup; - setup->threads[i].id = i; - setup->threads[i].handle = pipe_thread_create( quad_thread, &setup->threads[i] ); + for (i = 0; i < MAX_QUADS; i++) { + setup->quad[i].coef = setup->coef; + setup->quad[i].posCoef = &setup->posCoef; } -#endif + + setup->span.left[0] = 1000000; /* greater than right[0] */ + setup->span.left[1] = 1000000; /* greater than right[1] */ return setup; } -