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-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup.c1432
1 files changed, 38 insertions, 1394 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 60107214df..8c67524506 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -26,15 +26,15 @@
**************************************************************************/
/**
- * \brief Primitive rasterization/rendering (points, lines, triangles)
+ * \brief Primitive rasterization/rendering (points, lines)
*
* \author Keith Whitwell <keith@tungstengraphics.com>
* \author Brian Paul
*/
#include "lp_context.h"
-#include "lp_prim_setup.h"
#include "lp_quad.h"
+#include "lp_quad_pipe.h"
#include "lp_setup.h"
#include "lp_state.h"
#include "draw/draw_context.h"
@@ -44,1397 +44,49 @@
#include "pipe/p_thread.h"
#include "util/u_math.h"
#include "util/u_memory.h"
-#include "lp_bld_debug.h"
-#include "lp_tile_cache.h"
-#include "lp_tile_soa.h"
#define DEBUG_VERTS 0
-#define DEBUG_FRAGS 0
-/**
- * Triangle edge info
- */
-struct edge {
- float dx; /**< X(v1) - X(v0), used only during setup */
- float dy; /**< Y(v1) - Y(v0), used only during setup */
- float dxdy; /**< dx/dy */
- float sx, sy; /**< first sample point coord */
- int lines; /**< number of lines on this edge */
-};
-
-
-#define MAX_QUADS 16
-
-
-/**
- * Triangle setup info (derived from draw_stage).
- * Also used for line drawing (taking some liberties).
- */
-struct setup_context {
- struct llvmpipe_context *llvmpipe;
-
- /* Vertices are just an array of floats making up each attribute in
- * turn. Currently fixed at 4 floats, but should change in time.
- * Codegen will help cope with this.
- */
- const float (*vmax)[4];
- const float (*vmid)[4];
- const float (*vmin)[4];
- const float (*vprovoke)[4];
-
- struct edge ebot;
- struct edge etop;
- struct edge emaj;
-
- float oneoverarea;
- int facing;
-
- struct quad_header quad[MAX_QUADS];
- struct quad_header *quad_ptrs[MAX_QUADS];
- unsigned count;
-
- struct quad_interp_coef coef;
-
- struct {
- int left[2]; /**< [0] = row0, [1] = row1 */
- int right[2];
- int y;
- } span;
-
-#if DEBUG_FRAGS
- uint numFragsEmitted; /**< per primitive */
- uint numFragsWritten; /**< per primitive */
-#endif
-
- unsigned winding; /* which winding to cull */
-};
-
-
-
-/**
- * Execute fragment shader for the four fragments in the quad.
- */
-static void
-shade_quads(struct llvmpipe_context *llvmpipe,
- struct quad_header *quads[],
- unsigned nr)
-{
- struct lp_fragment_shader *fs = llvmpipe->fs;
- struct quad_header *quad = quads[0];
- const unsigned x = quad->input.x0;
- const unsigned y = quad->input.y0;
- uint8_t *tile;
- uint8_t *color;
- void *depth;
- uint32_t ALIGN16_ATTRIB mask[4][NUM_CHANNELS];
- unsigned chan_index;
- unsigned q;
-
- assert(fs->current);
- if(!fs->current)
- return;
-
- /* Sanity checks */
- assert(nr * QUAD_SIZE == TILE_VECTOR_HEIGHT * TILE_VECTOR_WIDTH);
- assert(x % TILE_VECTOR_WIDTH == 0);
- assert(y % TILE_VECTOR_HEIGHT == 0);
- for (q = 0; q < nr; ++q) {
- assert(quads[q]->input.x0 == x + q*2);
- assert(quads[q]->input.y0 == y);
- }
-
- /* mask */
- for (q = 0; q < 4; ++q)
- for (chan_index = 0; chan_index < NUM_CHANNELS; ++chan_index)
- mask[q][chan_index] = quads[q]->inout.mask & (1 << chan_index) ? ~0 : 0;
-
- /* color buffer */
- if(llvmpipe->framebuffer.nr_cbufs >= 1 &&
- llvmpipe->framebuffer.cbufs[0]) {
- tile = lp_get_cached_tile(llvmpipe->cbuf_cache[0], x, y);
- color = &TILE_PIXEL(tile, x & (TILE_SIZE-1), y & (TILE_SIZE-1), 0);
- }
- else
- color = NULL;
-
- /* depth buffer */
- if(llvmpipe->zsbuf_map) {
- assert((x % 2) == 0);
- assert((y % 2) == 0);
- depth = llvmpipe->zsbuf_map +
- y*llvmpipe->zsbuf_transfer->stride +
- 2*x*llvmpipe->zsbuf_transfer->block.size;
- }
- else
- depth = NULL;
-
- /* XXX: This will most likely fail on 32bit x86 without -mstackrealign */
- assert(lp_check_alignment(mask, 16));
-
- assert(lp_check_alignment(depth, 16));
- assert(lp_check_alignment(color, 16));
- assert(lp_check_alignment(llvmpipe->jit_context.blend_color, 16));
-
- /* run shader */
- fs->current->jit_function( &llvmpipe->jit_context,
- x, y,
- quad->coef->a0,
- quad->coef->dadx,
- quad->coef->dady,
- &mask[0][0],
- color,
- depth);
-}
-
-
-
-
-/**
- * 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 )
-{
- const struct pipe_scissor_state *cliprect = &setup->llvmpipe->cliprect;
- const int minx = (int) cliprect->minx;
- const int maxx = (int) cliprect->maxx;
- const int miny = (int) cliprect->miny;
- const int maxy = (int) cliprect->maxy;
-
- if (quad->input.x0 >= maxx ||
- quad->input.y0 >= maxy ||
- quad->input.x0 + 1 < minx ||
- quad->input.y0 + 1 < miny) {
- /* totally clipped */
- quad->inout.mask = 0x0;
- return;
- }
- if (quad->input.x0 < minx)
- quad->inout.mask &= (MASK_BOTTOM_RIGHT | MASK_TOP_RIGHT);
- if (quad->input.y0 < miny)
- quad->inout.mask &= (MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
- if (quad->input.x0 == maxx - 1)
- quad->inout.mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT);
- if (quad->input.y0 == maxy - 1)
- quad->inout.mask &= (MASK_TOP_LEFT | MASK_TOP_RIGHT);
-}
-
-
-
-/**
- * Given an X or Y coordinate, return the block/quad coordinate that it
- * belongs to.
- */
-static INLINE int block( int x )
-{
- return x & ~(2-1);
-}
-
-static INLINE int block_x( int x )
-{
- return x & ~(TILE_VECTOR_WIDTH - 1);
-}
-
-
-/**
- * Emit a quad (pass to next stage) with clipping.
- */
-static INLINE void
-clip_emit_quad( struct setup_context *setup, struct quad_header *quad )
-{
- quad_clip( setup, quad );
-
- if (quad->inout.mask) {
- struct llvmpipe_context *lp = setup->llvmpipe;
-
-#if 1
- /* XXX: The blender expects 4 quads. This is far from efficient, but
- * until we codegenerate single-quad variants of the fragment pipeline
- * we need this hack. */
- const unsigned nr_quads = TILE_VECTOR_HEIGHT*TILE_VECTOR_WIDTH/QUAD_SIZE;
- struct quad_header quads[nr_quads];
- struct quad_header *quad_ptrs[nr_quads];
- int x0 = block_x(quad->input.x0);
- unsigned i;
-
- for(i = 0; i < nr_quads; ++i) {
- int x = x0 + 2*i;
- if(x == quad->input.x0)
- memcpy(&quads[i], quad, sizeof quads[i]);
- else {
- memset(&quads[i], 0, sizeof quads[i]);
- quads[i].input.x0 = x;
- quads[i].input.y0 = quad->input.y0;
- quads[i].coef = quad->coef;
- }
- quad_ptrs[i] = &quads[i];
- }
-
- shade_quads( lp, quad_ptrs, nr_quads );
-#else
- shade_quads( lp, &quad, 1 );
-#endif
- }
-}
-
-
-/**
- * Render a horizontal span of quads
- */
-static void flush_spans( struct setup_context *setup )
-{
- const int step = TILE_VECTOR_WIDTH;
- 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 = block_x(MIN2(xleft0, xleft1));
- int maxright = MAX2(xright0, xright1);
- int x;
-
- 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;
- const unsigned nr_quads = TILE_VECTOR_HEIGHT*TILE_VECTOR_WIDTH/QUAD_SIZE;
- unsigned q = 0;
-
- 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) {
- for(q = 0; q < nr_quads; ++q) {
- unsigned quadmask = (mask0 & 3) | ((mask1 & 3) << 2);
- setup->quad[q].input.x0 = lx;
- setup->quad[q].input.y0 = setup->span.y;
- setup->quad[q].inout.mask = quadmask;
- setup->quad_ptrs[q] = &setup->quad[q];
- mask0 >>= 2;
- mask1 >>= 2;
- lx += 2;
- }
- assert(!(mask0 | mask1));
-
- shade_quads(setup->llvmpipe, setup->quad_ptrs, nr_quads );
- }
- }
-
-
- setup->span.y = 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])
-{
- int i;
- debug_printf(" Vertex: (%p)\n", v);
- for (i = 0; i < setup->quad[0].nr_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])) {
- debug_printf(" NaN!\n");
- }
- }
-}
-#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] )
-{
- setup->vprovoke = v2;
-
- /* determine bottom to top order of vertices */
- {
- float y0 = v0[0][1];
- float y1 = v1[0][1];
- float y2 = v2[0][1];
- if (y0 <= y1) {
- if (y1 <= y2) {
- /* y0<=y1<=y2 */
- setup->vmin = v0;
- setup->vmid = v1;
- setup->vmax = v2;
- }
- else if (y2 <= y0) {
- /* y2<=y0<=y1 */
- setup->vmin = v2;
- setup->vmid = v0;
- setup->vmax = v1;
- }
- else {
- /* y0<=y2<=y1 */
- setup->vmin = v0;
- setup->vmid = v2;
- setup->vmax = v1;
- }
- }
- else {
- if (y0 <= y2) {
- /* y1<=y0<=y2 */
- setup->vmin = v1;
- setup->vmid = v0;
- setup->vmax = v2;
- }
- else if (y2 <= y1) {
- /* y2<=y1<=y0 */
- setup->vmin = v2;
- setup->vmid = v1;
- setup->vmax = v0;
- }
- else {
- /* y1<=y2<=y0 */
- setup->vmin = v1;
- setup->vmid = v2;
- setup->vmax = v0;
- }
- }
- }
-
- setup->ebot.dx = setup->vmid[0][0] - setup->vmin[0][0];
- setup->ebot.dy = setup->vmid[0][1] - setup->vmin[0][1];
- setup->emaj.dx = setup->vmax[0][0] - setup->vmin[0][0];
- setup->emaj.dy = setup->vmax[0][1] - setup->vmin[0][1];
- setup->etop.dx = setup->vmax[0][0] - setup->vmid[0][0];
- setup->etop.dy = setup->vmax[0][1] - setup->vmid[0][1];
-
- /*
- * Compute triangle's area. Use 1/area to compute partial
- * derivatives of attributes later.
- *
- * The area will be the same as prim->det, but the sign may be
- * different depending on how the vertices get sorted above.
- *
- * To determine whether the primitive is front or back facing we
- * use the prim->det value because its sign is correct.
- */
- {
- const float area = (setup->emaj.dx * setup->ebot.dy -
- setup->ebot.dx * setup->emaj.dy);
-
- setup->oneoverarea = 1.0f / area;
-
- /*
- debug_printf("%s one-over-area %f area %f det %f\n",
- __FUNCTION__, setup->oneoverarea, area, det );
- */
- if (util_is_inf_or_nan(setup->oneoverarea))
- return FALSE;
- }
-
- /* 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
- */
- setup->facing =
- ((det > 0.0) ^
- (setup->llvmpipe->rasterizer->front_winding == PIPE_WINDING_CW));
-
- return TRUE;
-}
-
-
-/**
- * Compute a0, dadx and dady for a linearly interpolated coefficient,
- * for a triangle.
- */
-static void tri_pos_coeff( struct setup_context *setup,
- uint vertSlot, unsigned i)
-{
- float botda = setup->vmid[vertSlot][i] - setup->vmin[vertSlot][i];
- float majda = setup->vmax[vertSlot][i] - setup->vmin[vertSlot][i];
- 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;
- float dady = b * setup->oneoverarea;
-
- assert(i <= 3);
-
- setup->coef.dadx[0][i] = dadx;
- setup->coef.dady[0][i] = dady;
-
- /* 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).
- *
- * 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
- * result in the subtraction and re-addition from a0 of a very
- * large number, which means we'll end up loosing a lot of the
- * fractional bits and precision from a0. the way to fix this is
- * to define a0 as the sample at a pixel center somewhere near vmin
- * instead - i'll switch to this later.
- */
- setup->coef.a0[0][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]);
- */
-}
-
-
-/**
- * Compute a0 for a constant-valued coefficient (GL_FLAT shading).
- * The value value comes from vertex[slot][i].
- * The result will be put into setup->coef[slot].a0[i].
- * \param slot which attribute slot
- * \param i which component of the slot (0..3)
- */
-static void const_pos_coeff( struct setup_context *setup,
- uint vertSlot, unsigned i)
-{
- setup->coef.dadx[0][i] = 0;
- setup->coef.dady[0][i] = 0;
-
- /* need provoking vertex info!
- */
- setup->coef.a0[0][i] = setup->vprovoke[vertSlot][i];
-}
-
-
-/**
- * Compute a0 for a constant-valued coefficient (GL_FLAT shading).
- * The value value comes from vertex[slot][i].
- * The result will be put into setup->coef[slot].a0[i].
- * \param slot which attribute slot
- * \param i which component of the slot (0..3)
- */
-static void const_coeff( struct setup_context *setup,
- unsigned attrib,
- uint vertSlot)
-{
- unsigned i;
- for (i = 0; i < NUM_CHANNELS; ++i) {
- setup->coef.dadx[1 + attrib][i] = 0;
- setup->coef.dady[1 + attrib][i] = 0;
-
- /* need provoking vertex info!
- */
- setup->coef.a0[1 + attrib][i] = setup->vprovoke[vertSlot][i];
- }
-}
-
-
-/**
- * Compute a0, dadx and dady for a linearly interpolated coefficient,
- * for a triangle.
- */
-static void tri_linear_coeff( struct setup_context *setup,
- unsigned attrib,
- uint vertSlot)
-{
- unsigned i;
- for (i = 0; i < NUM_CHANNELS; ++i) {
- float botda = setup->vmid[vertSlot][i] - setup->vmin[vertSlot][i];
- float majda = setup->vmax[vertSlot][i] - setup->vmin[vertSlot][i];
- 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;
- float dady = b * setup->oneoverarea;
-
- assert(i <= 3);
-
- setup->coef.dadx[1 + attrib][i] = dadx;
- setup->coef.dady[1 + attrib][i] = dady;
-
- /* 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).
- *
- * 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
- * result in the subtraction and re-addition from a0 of a very
- * large number, which means we'll end up loosing a lot of the
- * fractional bits and precision from a0. the way to fix this is
- * to define a0 as the sample at a pixel center somewhere near vmin
- * instead - i'll switch to this later.
- */
- setup->coef.a0[1 + attrib][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]);
- */
- }
-}
-
-
-/**
- * Compute a0, dadx and dady for a perspective-corrected interpolant,
- * for a triangle.
- * We basically multiply the vertex value by 1/w before computing
- * 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.
- */
-static void tri_persp_coeff( struct setup_context *setup,
- unsigned attrib,
- uint vertSlot)
-{
- unsigned i;
- for (i = 0; i < NUM_CHANNELS; ++i) {
- /* 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 botda = mida - mina;
- float majda = maxa - mina;
- 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;
- 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);
-
- setup->coef.dadx[1 + attrib][i] = dadx;
- setup->coef.dady[1 + attrib][i] = dady;
- setup->coef.a0[1 + attrib][i] = (mina -
- (dadx * (setup->vmin[0][0] - 0.5f) +
- dady * (setup->vmin[0][1] - 0.5f)));
- }
-}
-
-
-/**
- * Special coefficient setup for gl_FragCoord.
- * X and Y are trivial, though Y has 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)
-{
- /*X*/
- setup->coef.a0[1 + slot][0] = 0;
- setup->coef.dadx[1 + slot][0] = 1.0;
- setup->coef.dady[1 + slot][0] = 0.0;
- /*Y*/
- setup->coef.a0[1 + slot][1] = 0.0;
- setup->coef.dadx[1 + slot][1] = 0.0;
- setup->coef.dady[1 + slot][1] = 1.0;
- /*Z*/
- setup->coef.a0[1 + slot][2] = setup->coef.a0[0][2];
- setup->coef.dadx[1 + slot][2] = setup->coef.dadx[0][2];
- setup->coef.dady[1 + slot][2] = setup->coef.dady[0][2];
- /*W*/
- setup->coef.a0[1 + slot][3] = setup->coef.a0[0][3];
- setup->coef.dadx[1 + slot][3] = setup->coef.dadx[0][3];
- setup->coef.dady[1 + slot][3] = setup->coef.dady[0][3];
-}
-
-
-
-/**
- * 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 )
-{
- struct llvmpipe_context *llvmpipe = setup->llvmpipe;
- const struct lp_fragment_shader *lpfs = llvmpipe->fs;
- const struct vertex_info *vinfo = llvmpipe_get_vertex_info(llvmpipe);
- uint fragSlot;
-
- /* z and w are done by linear interpolation:
- */
- tri_pos_coeff(setup, 0, 2);
- tri_pos_coeff(setup, 0, 3);
-
- /* setup interpolation for all the remaining attributes:
- */
- for (fragSlot = 0; fragSlot < lpfs->info.num_inputs; fragSlot++) {
- const uint vertSlot = vinfo->attrib[fragSlot].src_index;
-
- switch (vinfo->attrib[fragSlot].interp_mode) {
- case INTERP_CONSTANT:
- const_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_LINEAR:
- tri_linear_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_PERSPECTIVE:
- tri_persp_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_POS:
- setup_fragcoord_coeff(setup, fragSlot);
- break;
- default:
- assert(0);
- }
-
- if (lpfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
- setup->coef.a0[1 + fragSlot][0] = 1.0f - setup->facing;
- setup->coef.dadx[1 + fragSlot][0] = 0.0;
- setup->coef.dady[1 + fragSlot][0] = 0.0;
- }
- }
-}
-
-
-
-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_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;
-
- 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.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.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.sx = vmin_x + (setup->ebot.sy - vmin_y) * setup->ebot.dxdy;
-}
-
-
-/**
- * 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 )
-{
- const struct pipe_scissor_state *cliprect = &setup->llvmpipe->cliprect;
- const int minx = (int) cliprect->minx;
- const int maxx = (int) cliprect->maxx;
- const int miny = (int) cliprect->miny;
- const int maxy = (int) cliprect->maxy;
- int y, start_y, finish_y;
- int sy = (int)eleft->sy;
-
- assert((int)eleft->sy == (int) eright->sy);
-
- /* clip top/bottom */
- start_y = sy;
- if (start_y < miny)
- start_y = miny;
-
- finish_y = sy + lines;
- if (finish_y > maxy)
- finish_y = maxy;
-
- start_y -= sy;
- finish_y -= sy;
-
- /*
- debug_printf("%s %d %d\n", __FUNCTION__, start_y, finish_y);
- */
-
- for (y = start_y; y < finish_y; y++) {
-
- /* avoid accumulating adds as floats don't have the precision to
- * accurately iterate large triangle edges that way. luckily we
- * can just multiply these days.
- *
- * this is all drowned out by the attribute interpolation anyway.
- */
- int left = (int)(eleft->sx + y * eleft->dxdy);
- int right = (int)(eright->sx + y * eright->dxdy);
-
- /* clip left/right */
- if (left < minx)
- left = minx;
- if (right > maxx)
- right = maxx;
-
- if (left < right) {
- int _y = sy + y;
- if (block(_y) != setup->span.y) {
- flush_spans(setup);
- setup->span.y = block(_y);
- }
-
- setup->span.left[_y&1] = left;
- setup->span.right[_y&1] = right;
- }
- }
-
-
- /* save the values so that emaj can be restarted:
- */
- eleft->sx += lines * eleft->dxdy;
- eright->sx += lines * eright->dxdy;
- eleft->sy += lines;
- eright->sy += lines;
-}
-
-
-/**
- * Recalculate prim's determinant. This is needed as we don't have
- * get this information through the vbuf_render interface & we must
- * calculate it here.
- */
-static float
-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];
- const float ey = v0[0][1] - v2[0][1];
- const float fx = v1[0][0] - v2[0][0];
- const float fy = v1[0][1] - v2[0][1];
-
- /* det = cross(e,f).z */
- return ex * fy - ey * fx;
-}
-
-
-/**
- * Do setup for triangle rasterization, then render the triangle.
- */
-void llvmpipe_setup_tri( struct setup_context *setup,
- const float (*v0)[4],
- const float (*v1)[4],
- const float (*v2)[4] )
-{
- float det;
-
-#if DEBUG_VERTS
- debug_printf("Setup triangle:\n");
- print_vertex(setup, v0);
- print_vertex(setup, v1);
- print_vertex(setup, v2);
-#endif
-
- if (setup->llvmpipe->no_rast)
- return;
-
- det = calc_det(v0, v1, v2);
- /*
- debug_printf("%s\n", __FUNCTION__ );
- */
-
-#if DEBUG_FRAGS
- setup->numFragsEmitted = 0;
- 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 );
-
- assert(setup->llvmpipe->reduced_prim == PIPE_PRIM_TRIANGLES);
-
- setup->span.y = 0;
- setup->span.right[0] = 0;
- setup->span.right[1] = 0;
- /* setup->span.z_mode = tri_z_mode( setup->ctx ); */
-
- /* 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 );
- }
- else {
- /* emaj on right:
- */
- subtriangle( setup, &setup->ebot, &setup->emaj, setup->ebot.lines );
- subtriangle( setup, &setup->etop, &setup->emaj, setup->etop.lines );
- }
-
- flush_spans( setup );
-
-#if DEBUG_FRAGS
- printf("Tri: %u frags emitted, %u written\n",
- setup->numFragsEmitted,
- setup->numFragsWritten);
-#endif
-}
-
-
-
-/**
- * Compute a0, dadx and dady for a linearly interpolated coefficient,
- * for a line.
- */
-static void
-linear_pos_coeff(struct setup_context *setup,
- uint vertSlot, uint i)
-{
- const float da = setup->vmax[vertSlot][i] - setup->vmin[vertSlot][i];
- const float dadx = da * setup->emaj.dx * setup->oneoverarea;
- const float dady = da * setup->emaj.dy * setup->oneoverarea;
- setup->coef.dadx[0][i] = dadx;
- setup->coef.dady[0][i] = dady;
- setup->coef.a0[0][i] = (setup->vmin[vertSlot][i] -
- (dadx * (setup->vmin[0][0] - 0.5f) +
- dady * (setup->vmin[0][1] - 0.5f)));
-}
-
-
-/**
- * Compute a0, dadx and dady for a linearly interpolated coefficient,
- * for a line.
- */
-static void
-line_linear_coeff(struct setup_context *setup,
- unsigned attrib,
- uint vertSlot)
-{
- unsigned i;
- for (i = 0; i < NUM_CHANNELS; ++i) {
- const float da = setup->vmax[vertSlot][i] - setup->vmin[vertSlot][i];
- const float dadx = da * setup->emaj.dx * setup->oneoverarea;
- const float dady = da * setup->emaj.dy * setup->oneoverarea;
- setup->coef.dadx[1 + attrib][i] = dadx;
- setup->coef.dady[1 + attrib][i] = dady;
- setup->coef.a0[1 + attrib][i] = (setup->vmin[vertSlot][i] -
- (dadx * (setup->vmin[0][0] - 0.5f) +
- dady * (setup->vmin[0][1] - 0.5f)));
- }
-}
-
-
-/**
- * Compute a0, dadx and dady for a perspective-corrected interpolant,
- * for a line.
- */
-static void
-line_persp_coeff(struct setup_context *setup,
- unsigned attrib,
- uint vertSlot)
-{
- unsigned i;
- for (i = 0; i < NUM_CHANNELS; ++i) {
- /* 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 da = a1 - a0;
- const float dadx = da * setup->emaj.dx * setup->oneoverarea;
- const float dady = da * setup->emaj.dy * setup->oneoverarea;
- setup->coef.dadx[1 + attrib][i] = dadx;
- setup->coef.dady[1 + attrib][i] = dady;
- setup->coef.a0[1 + attrib][i] = (setup->vmin[vertSlot][i] -
- (dadx * (setup->vmin[0][0] - 0.5f) +
- dady * (setup->vmin[0][1] - 0.5f)));
- }
-}
-
-
-/**
- * Compute the setup->coef[] array dadx, dady, a0 values.
- * Must be called after setup->vmin,vmax are initialized.
- */
-static INLINE boolean
-setup_line_coefficients(struct setup_context *setup,
- const float (*v0)[4],
- const float (*v1)[4])
-{
- struct llvmpipe_context *llvmpipe = setup->llvmpipe;
- const struct lp_fragment_shader *lpfs = llvmpipe->fs;
- const struct vertex_info *vinfo = llvmpipe_get_vertex_info(llvmpipe);
- uint fragSlot;
- float area;
-
- /* use setup->vmin, vmax to point to vertices */
- if (llvmpipe->rasterizer->flatshade_first)
- setup->vprovoke = v0;
- else
- setup->vprovoke = v1;
- setup->vmin = v0;
- setup->vmax = v1;
-
- setup->emaj.dx = setup->vmax[0][0] - setup->vmin[0][0];
- setup->emaj.dy = setup->vmax[0][1] - setup->vmin[0][1];
-
- /* NOTE: this is not really area but something proportional to it */
- area = setup->emaj.dx * setup->emaj.dx + setup->emaj.dy * setup->emaj.dy;
- if (area == 0.0f || util_is_inf_or_nan(area))
- return FALSE;
- setup->oneoverarea = 1.0f / area;
-
- /* z and w are done by linear interpolation:
- */
- linear_pos_coeff(setup, 0, 2);
- linear_pos_coeff(setup, 0, 3);
-
- /* setup interpolation for all the remaining attributes:
- */
- for (fragSlot = 0; fragSlot < lpfs->info.num_inputs; fragSlot++) {
- const uint vertSlot = vinfo->attrib[fragSlot].src_index;
-
- switch (vinfo->attrib[fragSlot].interp_mode) {
- case INTERP_CONSTANT:
- const_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_LINEAR:
- line_linear_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_PERSPECTIVE:
- line_persp_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_POS:
- setup_fragcoord_coeff(setup, fragSlot);
- break;
- default:
- assert(0);
- }
-
- if (lpfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
- setup->coef.a0[1 + fragSlot][0] = 1.0f - setup->facing;
- setup->coef.dadx[1 + fragSlot][0] = 0.0;
- setup->coef.dady[1 + fragSlot][0] = 0.0;
- }
- }
- return TRUE;
-}
-
-
-/**
- * Plot a pixel in a line segment.
+/* Stubs for lines & points for now:
*/
-static INLINE void
-plot(struct setup_context *setup, int x, int y)
+void
+llvmpipe_setup_point(struct setup_context *setup,
+ const float (*v0)[4])
{
- const int iy = y & 1;
- const int ix = x & 1;
- const int quadX = x - ix;
- const int quadY = y - iy;
- const int mask = (1 << ix) << (2 * iy);
-
- if (quadX != setup->quad[0].input.x0 ||
- quadY != setup->quad[0].input.y0)
- {
- /* flush prev quad, start new quad */
-
- if (setup->quad[0].input.x0 != -1)
- clip_emit_quad( setup, &setup->quad[0] );
-
- setup->quad[0].input.x0 = quadX;
- setup->quad[0].input.y0 = quadY;
- setup->quad[0].inout.mask = 0x0;
- }
-
- setup->quad[0].inout.mask |= mask;
}
-
-/**
- * Do setup for line rasterization, then render the line.
- * Single-pixel width, no stipple, etc. We rely on the 'draw' module
- * to handle stippling and wide lines.
- */
void
llvmpipe_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];
- int y0 = (int) v0[0][1];
- int y1 = (int) v1[0][1];
- int dx = x1 - x0;
- int dy = y1 - y0;
- int xstep, ystep;
-
-#if DEBUG_VERTS
- debug_printf("Setup line:\n");
- print_vertex(setup, v0);
- print_vertex(setup, v1);
-#endif
-
- if (setup->llvmpipe->no_rast)
- return;
-
- if (dx == 0 && dy == 0)
- return;
-
- if (!setup_line_coefficients(setup, v0, v1))
- return;
-
- assert(v0[0][0] < 1.0e9);
- assert(v0[0][1] < 1.0e9);
- assert(v1[0][0] < 1.0e9);
- assert(v1[0][1] < 1.0e9);
-
- if (dx < 0) {
- dx = -dx; /* make positive */
- xstep = -1;
- }
- else {
- xstep = 1;
- }
-
- if (dy < 0) {
- dy = -dy; /* make positive */
- ystep = -1;
- }
- else {
- ystep = 1;
- }
-
- assert(dx >= 0);
- assert(dy >= 0);
- assert(setup->llvmpipe->reduced_prim == PIPE_PRIM_LINES);
-
- setup->quad[0].input.x0 = setup->quad[0].input.y0 = -1;
- setup->quad[0].inout.mask = 0x0;
-
- /* XXX temporary: set coverage to 1.0 so the line appears
- * if AA mode happens to be enabled.
- */
- 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 ***/
- int i;
- const int errorInc = dy + dy;
- int error = errorInc - dx;
- const int errorDec = error - dx;
-
- for (i = 0; i < dx; i++) {
- plot(setup, x0, y0);
-
- x0 += xstep;
- if (error < 0) {
- error += errorInc;
- }
- else {
- error += errorDec;
- y0 += ystep;
- }
- }
- }
- else {
- /*** Y-major line ***/
- int i;
- const int errorInc = dx + dx;
- int error = errorInc - dy;
- const int errorDec = error - dy;
-
- for (i = 0; i < dy; i++) {
- plot(setup, x0, y0);
-
- y0 += ystep;
- if (error < 0) {
- error += errorInc;
- }
- else {
- error += errorDec;
- x0 += xstep;
- }
- }
- }
-
- /* draw final quad */
- if (setup->quad[0].inout.mask) {
- clip_emit_quad( setup, &setup->quad[0] );
- }
-}
-
-
-static void
-point_persp_coeff(struct setup_context *setup,
- const float (*vert)[4],
- unsigned attrib,
- uint vertSlot)
+ const float (*v0)[4],
+ const float (*v1)[4])
{
- unsigned i;
- for(i = 0; i < NUM_CHANNELS; ++i) {
- setup->coef.dadx[1 + attrib][i] = 0.0F;
- setup->coef.dady[1 + attrib][i] = 0.0F;
- setup->coef.a0[1 + attrib][i] = vert[vertSlot][i] * vert[0][3];
- }
}
-/**
- * Do setup for point rasterization, then render the point.
- * Round or square points...
- * XXX could optimize a lot for 1-pixel points.
+/* Called after statechange, before emitting primitives. If binning
+ * is active, this function should store relevant state in the binning
+ * context.
+ *
+ * That includes:
+ * - current fragment shader function
+ * - bound constant buffer contents
+ * - bound textures
+ * - blend color
+ * - etc.
+ *
+ * Basically everything needed at some point in the future to
+ * rasterize triangles for the current state.
+ *
+ * Additionally this will set up the state needed for the rasterizer
+ * to process and bin incoming triangles. That would include such
+ * things as:
+ * - cull mode
+ * - ???
+ * - etc.
+ *
*/
-void
-llvmpipe_setup_point( struct setup_context *setup,
- const float (*v0)[4] )
-{
- struct llvmpipe_context *llvmpipe = setup->llvmpipe;
- const struct lp_fragment_shader *lpfs = llvmpipe->fs;
- const int sizeAttr = setup->llvmpipe->psize_slot;
- const float size
- = sizeAttr > 0 ? v0[sizeAttr][0]
- : setup->llvmpipe->rasterizer->point_size;
- const float halfSize = 0.5F * size;
- const boolean round = (boolean) setup->llvmpipe->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 = llvmpipe_get_vertex_info(llvmpipe);
- uint fragSlot;
-
-#if DEBUG_VERTS
- debug_printf("Setup point:\n");
- print_vertex(setup, v0);
-#endif
-
- if (llvmpipe->no_rast)
- return;
-
- assert(setup->llvmpipe->reduced_prim == PIPE_PRIM_POINTS);
-
- /* For points, all interpolants are constant-valued.
- * However, for point sprites, we'll need to setup texcoords appropriately.
- * XXX: which coefficients are the texcoords???
- * We may do point sprites as textured quads...
- *
- * KW: We don't know which coefficients are texcoords - ultimately
- * the choice of what interpolation mode to use for each attribute
- * should be determined by the fragment program, using
- * per-attribute declaration statements that include interpolation
- * mode as a parameter. So either the fragment program will have
- * to be adjusted for pointsprite vs normal point behaviour, or
- * otherwise a special interpolation mode will have to be defined
- * which matches the required behaviour for point sprites. But -
- * the latter is not a feature of normal hardware, and as such
- * probably should be ruled out on that basis.
- */
- setup->vprovoke = v0;
-
- /* setup Z, W */
- const_pos_coeff(setup, 0, 2);
- const_pos_coeff(setup, 0, 3);
-
- for (fragSlot = 0; fragSlot < lpfs->info.num_inputs; fragSlot++) {
- const uint vertSlot = vinfo->attrib[fragSlot].src_index;
-
- switch (vinfo->attrib[fragSlot].interp_mode) {
- case INTERP_CONSTANT:
- /* fall-through */
- case INTERP_LINEAR:
- const_coeff(setup, fragSlot, vertSlot);
- break;
- case INTERP_PERSPECTIVE:
- point_persp_coeff(setup, setup->vprovoke, fragSlot, vertSlot);
- break;
- case INTERP_POS:
- setup_fragcoord_coeff(setup, fragSlot);
- break;
- default:
- assert(0);
- }
-
- if (lpfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
- setup->coef.a0[1 + fragSlot][0] = 1.0f - setup->facing;
- setup->coef.dadx[1 + fragSlot][0] = 0.0;
- setup->coef.dady[1 + fragSlot][0] = 0.0;
- }
- }
-
-
- 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[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) {
- /* rounded points */
- const int ixmin = block((int) (x - halfSize));
- const int ixmax = block((int) (x + halfSize));
- const int iymin = block((int) (y - halfSize));
- const int iymax = block((int) (y + halfSize));
- const float rmin = halfSize - 0.7071F; /* 0.7071 = sqrt(2)/2 */
- const float rmax = halfSize + 0.7071F;
- const float rmin2 = MAX2(0.0F, rmin * rmin);
- const float rmax2 = rmax * rmax;
- const float cscale = 1.0F / (rmax2 - rmin2);
- int ix, iy;
-
- for (iy = iymin; iy <= iymax; iy += 2) {
- for (ix = ixmin; ix <= ixmax; ix += 2) {
- float dx, dy, dist2, cover;
-
- 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[0].input.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f);
- setup->quad[0].inout.mask |= MASK_TOP_LEFT;
- }
-
- dx = (ix + 1.5f) - x;
- dy = (iy + 0.5f) - y;
- dist2 = dx * dx + dy * dy;
- if (dist2 <= rmax2) {
- cover = 1.0F - (dist2 - rmin2) * cscale;
- 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;
- dy = (iy + 1.5f) - y;
- dist2 = dx * dx + dy * dy;
- if (dist2 <= rmax2) {
- cover = 1.0F - (dist2 - rmin2) * cscale;
- 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;
- dy = (iy + 1.5f) - y;
- dist2 = dx * dx + dy * dy;
- if (dist2 <= rmax2) {
- cover = 1.0F - (dist2 - rmin2) * cscale;
- setup->quad[0].input.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f);
- setup->quad[0].inout.mask |= MASK_BOTTOM_RIGHT;
- }
-
- 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] );
- }
- }
- }
- }
- else {
- /* square points */
- const int xmin = (int) (x + 0.75 - halfSize);
- const int ymin = (int) (y + 0.25 - halfSize);
- const int xmax = xmin + (int) size;
- const int ymax = ymin + (int) size;
- /* XXX could apply scissor to xmin,ymin,xmax,ymax now */
- const int ixmin = block(xmin);
- const int ixmax = block(xmax - 1);
- const int iymin = block(ymin);
- const int iymax = block(ymax - 1);
- int ix, iy;
-
- /*
- debug_printf("(%f, %f) -> X:%d..%d Y:%d..%d\n", x, y, xmin, xmax,ymin,ymax);
- */
- for (iy = iymin; iy <= iymax; iy += 2) {
- uint rowMask = 0xf;
- if (iy < ymin) {
- /* above the top edge */
- rowMask &= (MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
- }
- if (iy + 1 >= ymax) {
- /* below the bottom edge */
- rowMask &= (MASK_TOP_LEFT | MASK_TOP_RIGHT);
- }
-
- for (ix = ixmin; ix <= ixmax; ix += 2) {
- uint mask = rowMask;
-
- if (ix < xmin) {
- /* fragment is past left edge of point, turn off left bits */
- mask &= (MASK_BOTTOM_RIGHT | MASK_TOP_RIGHT);
- }
- if (ix + 1 >= xmax) {
- /* past the right edge */
- mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT);
- }
-
- 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] );
- }
- }
- }
- }
-}
-
-void llvmpipe_setup_prepare( struct setup_context *setup )
+void setup_prepare( struct setup_context *setup )
{
struct llvmpipe_context *lp = setup->llvmpipe;
@@ -1442,6 +94,8 @@ void llvmpipe_setup_prepare( struct setup_context *setup )
llvmpipe_update_derived(lp);
}
+ lp->quad.first->begin( lp->quad.first );
+
if (lp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
lp->rasterizer->fill_cw == PIPE_POLYGON_MODE_FILL &&
lp->rasterizer->fill_ccw == PIPE_POLYGON_MODE_FILL) {
@@ -1452,38 +106,28 @@ void llvmpipe_setup_prepare( struct setup_context *setup )
/* 'draw' will do culling */
setup->winding = PIPE_WINDING_NONE;
}
+
+ setup_prepare_tri( setup->llvmpipe );
}
-void llvmpipe_setup_destroy_context( struct setup_context *setup )
+void setup_destroy_context( struct setup_context *setup )
{
- align_free( setup );
+ FREE( setup );
}
/**
* Create a new primitive setup/render stage.
*/
-struct setup_context *llvmpipe_setup_create_context( struct llvmpipe_context *llvmpipe )
+struct setup_context *setup_create_context( struct llvmpipe_context *llvmpipe )
{
- struct setup_context *setup;
+ struct setup_context *setup = CALLOC_STRUCT(setup_context);
unsigned i;
- setup = align_malloc(sizeof(struct setup_context), 16);
- if (!setup)
- return NULL;
-
- memset(setup, 0, sizeof *setup);
setup->llvmpipe = llvmpipe;
- for (i = 0; i < MAX_QUADS; i++) {
- setup->quad[i].coef = &setup->coef;
- }
-
- setup->span.left[0] = 1000000; /* greater than right[0] */
- setup->span.left[1] = 1000000; /* greater than right[1] */
-
return setup;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 23:19:25 +0000