diff options
Diffstat (limited to 'src/i965_render.c')
| -rw-r--r-- | src/i965_render.c | 54 |
1 files changed, 25 insertions, 29 deletions
diff --git a/src/i965_render.c b/src/i965_render.c index 8360be4a..62d0035f 100644 --- a/src/i965_render.c +++ b/src/i965_render.c @@ -37,6 +37,7 @@ #include "xf86.h" #include "i830.h" #include "i915_reg.h" +#include "i915_drm.h" /* bring in brw structs */ #include "brw_defines.h" @@ -60,7 +61,7 @@ do { \ #endif #define MAX_VERTEX_PER_COMPOSITE 24 -#define MAX_VERTEX_BUFFERS 256 +#define VERTEX_BUFFER_SIZE (16 * MAX_VERTEX_PER_COMPOSITE) struct blendinfo { Bool dst_alpha; @@ -502,14 +503,14 @@ typedef struct _gen4_state { [BRW_BLENDFACTOR_COUNT]; struct brw_cc_viewport cc_viewport; PAD64 (brw_cc_viewport, 0); - - float vb[MAX_VERTEX_PER_COMPOSITE * MAX_VERTEX_BUFFERS]; } gen4_state_t; /** Private data for gen4 render accel implementation. */ struct gen4_render_state { gen4_state_t *card_state; uint32_t card_state_offset; + dri_bo *vb_bo; + int vb_bo_busy; int binding_table_index; int surface_state_index; @@ -1270,12 +1271,11 @@ i965_composite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY, { ScrnInfoPtr pScrn = xf86Screens[pDst->drawable.pScreen->myNum]; I830Ptr pI830 = I830PTR(pScrn); - gen4_state_t *card_state = pI830->gen4_render_state->card_state; struct gen4_render_state *render_state = pI830->gen4_render_state; Bool has_mask; Bool is_affine_src, is_affine_mask, is_affine; float src_x[3], src_y[3], src_w[3], mask_x[3], mask_y[3], mask_w[3]; - float *vb = card_state->vb; + float *vb; int i; is_affine_src = i830_transform_is_affine (pI830->transform[0]); @@ -1352,11 +1352,25 @@ i965_composite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY, } } - if (render_state->vb_offset + MAX_VERTEX_PER_COMPOSITE >= ARRAY_SIZE(card_state->vb)) { - i830WaitSync(pScrn); + /* Arrange for a buffer object with sufficient space for our + * vertices, and that isn't "busy", that is, it is not already + * referenced by a batch that has been flushed. */ + if (! render_state->vb_bo || render_state->vb_bo_busy || + render_state->vb_offset + MAX_VERTEX_PER_COMPOSITE > VERTEX_BUFFER_SIZE) + { + if (render_state->vb_bo) + dri_bo_unreference (render_state->vb_bo); + + render_state->vb_bo = dri_bo_alloc (pI830->bufmgr, "vb", + VERTEX_BUFFER_SIZE * sizeof (float), + 4096); render_state->vb_offset = 0; } + /* Map the vertex buffer object so we can write to it. */ + dri_bo_map (render_state->vb_bo, 1); + vb = render_state->vb_bo->virtual; + i = render_state->vb_offset; /* rect (x2,y2) */ vb[i++] = (float)(dstX + w); @@ -1399,7 +1413,9 @@ i965_composite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY, if (!is_affine) vb[i++] = mask_w[0]; } - assert (i * 4 <= sizeof(card_state->vb)); + assert (i <= VERTEX_BUFFER_SIZE); + + dri_bo_unmap (render_state->vb_bo); BEGIN_BATCH(12); OUT_BATCH(MI_FLUSH); @@ -1408,7 +1424,7 @@ i965_composite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY, OUT_BATCH((0 << VB0_BUFFER_INDEX_SHIFT) | VB0_VERTEXDATA | (render_state->vertex_size << VB0_BUFFER_PITCH_SHIFT)); - OUT_BATCH(render_state->card_state_offset + offsetof(gen4_state_t, vb) + + OUT_RELOC(render_state->vb_bo, I915_GEM_DOMAIN_VERTEX, 0, render_state->vb_offset * 4); OUT_BATCH(3); OUT_BATCH(0); // ignore for VERTEXDATA, but still there @@ -1431,26 +1447,6 @@ i965_composite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY, ErrorF("sync after 3dprimitive\n"); I830Sync(pScrn); #endif - /* we must be sure that the pipeline is flushed before next exa draw, - because that will be new state, binding state and instructions*/ - { - BEGIN_BATCH(4); - OUT_BATCH(BRW_PIPE_CONTROL | - BRW_PIPE_CONTROL_NOWRITE | - BRW_PIPE_CONTROL_WC_FLUSH | - BRW_PIPE_CONTROL_IS_FLUSH | - (1 << 10) | /* XXX texture cache flush for BLC/CTG */ - 2); - OUT_BATCH(0); /* Destination address */ - OUT_BATCH(0); /* Immediate data low DW */ - OUT_BATCH(0); /* Immediate data high DW */ - ADVANCE_BATCH(); - } - - /* Mark sync so we can wait for it before setting up the VB on the next - * rectangle. - */ - i830MarkSync(pScrn); } /** |