diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_clear.c | 5 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_context.c | 8 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_context.h | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_flush.c | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_depth_test.c | 792 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_fs.c | 78 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_pipe.c | 16 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_quad_pipe.h | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_screen.c | 5 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state.h | 17 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 99 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_surface.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_texture.c | 6 |
14 files changed, 172 insertions, 869 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_clear.c b/src/gallium/drivers/llvmpipe/lp_clear.c index 4a7ffde1b93..c3e62e823d2 100644 --- a/src/gallium/drivers/llvmpipe/lp_clear.c +++ b/src/gallium/drivers/llvmpipe/lp_clear.c @@ -79,11 +79,8 @@ llvmpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, struct pipe_surface *ps = llvmpipe->framebuffer.zsbuf; cv = util_pack_z_stencil(ps->format, depth, stencil); - lp_tile_cache_clear(llvmpipe->zsbuf_cache, zero, cv); -#if !TILE_CLEAR_OPTIMIZATION /* non-cached surface */ pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv); -#endif - } + } } diff --git a/src/gallium/drivers/llvmpipe/lp_context.c b/src/gallium/drivers/llvmpipe/lp_context.c index 7e7015defc5..b335e039648 100644 --- a/src/gallium/drivers/llvmpipe/lp_context.c +++ b/src/gallium/drivers/llvmpipe/lp_context.c @@ -60,8 +60,6 @@ llvmpipe_map_transfers(struct llvmpipe_context *lp) for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { lp_tile_cache_map_transfers(lp->cbuf_cache[i]); } - - lp_tile_cache_map_transfers(lp->zsbuf_cache); } @@ -76,8 +74,6 @@ llvmpipe_unmap_transfers(struct llvmpipe_context *lp) for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { lp_tile_cache_unmap_transfers(lp->cbuf_cache[i]); } - - lp_tile_cache_unmap_transfers(lp->zsbuf_cache); } @@ -90,12 +86,10 @@ static void llvmpipe_destroy( struct pipe_context *pipe ) draw_destroy( llvmpipe->draw ); llvmpipe->quad.shade->destroy( llvmpipe->quad.shade ); - llvmpipe->quad.depth_test->destroy( llvmpipe->quad.depth_test ); llvmpipe->quad.blend->destroy( llvmpipe->quad.blend ); for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) lp_destroy_tile_cache(llvmpipe->cbuf_cache[i]); - lp_destroy_tile_cache(llvmpipe->zsbuf_cache); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) lp_destroy_tex_tile_cache(llvmpipe->tex_cache[i]); @@ -216,7 +210,6 @@ llvmpipe_create( struct pipe_screen *screen ) */ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) llvmpipe->cbuf_cache[i] = lp_create_tile_cache( screen ); - llvmpipe->zsbuf_cache = lp_create_tile_cache( screen ); for (i = 0; i < PIPE_MAX_SAMPLERS; i++) llvmpipe->tex_cache[i] = lp_create_tex_tile_cache( screen ); @@ -224,7 +217,6 @@ llvmpipe_create( struct pipe_screen *screen ) /* setup quad rendering stages */ llvmpipe->quad.shade = lp_quad_shade_stage(llvmpipe); - llvmpipe->quad.depth_test = lp_quad_depth_test_stage(llvmpipe); llvmpipe->quad.blend = lp_quad_blend_stage(llvmpipe); /* vertex shader samplers */ diff --git a/src/gallium/drivers/llvmpipe/lp_context.h b/src/gallium/drivers/llvmpipe/lp_context.h index 6cda5e602f1..c31df0bf391 100644 --- a/src/gallium/drivers/llvmpipe/lp_context.h +++ b/src/gallium/drivers/llvmpipe/lp_context.h @@ -117,7 +117,6 @@ struct llvmpipe_context { /** Software quad rendering pipeline */ struct { struct quad_stage *shade; - struct quad_stage *depth_test; struct quad_stage *blend; struct quad_stage *first; /**< points to one of the above stages */ @@ -140,7 +139,6 @@ struct llvmpipe_context { boolean dirty_render_cache; struct llvmpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS]; - struct llvmpipe_tile_cache *zsbuf_cache; unsigned tex_timestamp; struct llvmpipe_tex_tile_cache *tex_cache[PIPE_MAX_SAMPLERS]; diff --git a/src/gallium/drivers/llvmpipe/lp_flush.c b/src/gallium/drivers/llvmpipe/lp_flush.c index f3b43cfce98..44b4696a131 100644 --- a/src/gallium/drivers/llvmpipe/lp_flush.c +++ b/src/gallium/drivers/llvmpipe/lp_flush.c @@ -80,8 +80,7 @@ llvmpipe_flush( struct pipe_context *pipe, if (llvmpipe->cbuf_cache[i]) lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); - if (llvmpipe->zsbuf_cache) - lp_flush_tile_cache(llvmpipe->zsbuf_cache); + /* FIXME: untile zsbuf! */ llvmpipe->dirty_render_cache = FALSE; } diff --git a/src/gallium/drivers/llvmpipe/lp_quad.h b/src/gallium/drivers/llvmpipe/lp_quad.h index 92977495de9..09027167391 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad.h +++ b/src/gallium/drivers/llvmpipe/lp_quad.h @@ -84,7 +84,6 @@ struct quad_header_output { /** colors in SOA format (rrrr, gggg, bbbb, aaaa) */ float ALIGN16_ATTRIB color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][QUAD_SIZE]; - float depth[QUAD_SIZE]; }; diff --git a/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c b/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c deleted file mode 100644 index 124301688f7..00000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_depth_test.c +++ /dev/null @@ -1,792 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * \brief Quad depth testing - */ - -#include "pipe/p_defines.h" -#include "util/u_memory.h" -#include "tgsi/tgsi_scan.h" -#include "lp_context.h" -#include "lp_quad.h" -#include "lp_surface.h" -#include "lp_quad_pipe.h" -#include "lp_tile_cache.h" -#include "lp_state.h" /* for lp_fragment_shader */ - - -struct depth_data { - struct pipe_surface *ps; - enum pipe_format format; - unsigned bzzzz[QUAD_SIZE]; /**< Z values fetched from depth buffer */ - unsigned qzzzz[QUAD_SIZE]; /**< Z values from the quad */ - ubyte stencilVals[QUAD_SIZE]; - struct llvmpipe_cached_tile *tile; -}; - - - -static void -get_depth_stencil_values( struct depth_data *data, - const struct quad_header *quad ) -{ - unsigned j; - const struct llvmpipe_cached_tile *tile = data->tile; - - switch (data->format) { - case PIPE_FORMAT_Z16_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - data->bzzzz[j] = tile->data.depth16[y][x]; - } - break; - case PIPE_FORMAT_Z32_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - data->bzzzz[j] = tile->data.depth32[y][x]; - } - break; - case PIPE_FORMAT_X8Z24_UNORM: - case PIPE_FORMAT_S8Z24_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - data->bzzzz[j] = tile->data.depth32[y][x] & 0xffffff; - data->stencilVals[j] = tile->data.depth32[y][x] >> 24; - } - break; - case PIPE_FORMAT_Z24X8_UNORM: - case PIPE_FORMAT_Z24S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - data->bzzzz[j] = tile->data.depth32[y][x] >> 8; - data->stencilVals[j] = tile->data.depth32[y][x] & 0xff; - } - break; - default: - assert(0); - } -} - -/* If the shader has not been run, interpolate the depth values - * ourselves. - */ -static void -interpolate_quad_depth( struct quad_header *quad ) -{ - const float fx = (float) quad->input.x0; - const float fy = (float) quad->input.y0; - const float dzdx = quad->coef->dadx[0][2]; - const float dzdy = quad->coef->dady[0][2]; - const float z0 = quad->coef->a0[0][2] + dzdx * fx + dzdy * fy; - - quad->output.depth[0] = z0; - quad->output.depth[1] = z0 + dzdx; - quad->output.depth[2] = z0 + dzdy; - quad->output.depth[3] = z0 + dzdx + dzdy; -} - - -static void -convert_quad_depth( struct depth_data *data, - const struct quad_header *quad ) -{ - unsigned j; - - /* Convert quad's float depth values to int depth values (qzzzz). - * If the Z buffer stores integer values, we _have_ to do the depth - * compares with integers (not floats). Otherwise, the float->int->float - * conversion of Z values (which isn't an identity function) will cause - * Z-fighting errors. - */ - switch (data->format) { - case PIPE_FORMAT_Z16_UNORM: - { - float scale = 65535.0; - - for (j = 0; j < QUAD_SIZE; j++) { - data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - } - break; - case PIPE_FORMAT_Z32_UNORM: - { - double scale = (double) (uint) ~0UL; - - for (j = 0; j < QUAD_SIZE; j++) { - data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - } - break; - case PIPE_FORMAT_X8Z24_UNORM: - case PIPE_FORMAT_S8Z24_UNORM: - { - float scale = (float) ((1 << 24) - 1); - - for (j = 0; j < QUAD_SIZE; j++) { - data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - } - break; - case PIPE_FORMAT_Z24X8_UNORM: - case PIPE_FORMAT_Z24S8_UNORM: - { - float scale = (float) ((1 << 24) - 1); - - for (j = 0; j < QUAD_SIZE; j++) { - data->qzzzz[j] = (unsigned) (quad->output.depth[j] * scale); - } - } - break; - default: - assert(0); - } -} - - - -static void -write_depth_stencil_values( struct depth_data *data, - struct quad_header *quad ) -{ - struct llvmpipe_cached_tile *tile = data->tile; - unsigned j; - - /* put updated Z values back into cached tile */ - switch (data->format) { - case PIPE_FORMAT_Z16_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth16[y][x] = (ushort) data->bzzzz[j]; - } - break; - case PIPE_FORMAT_X8Z24_UNORM: - case PIPE_FORMAT_Z32_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth32[y][x] = data->bzzzz[j]; - } - break; - case PIPE_FORMAT_S8Z24_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth32[y][x] = (data->stencilVals[j] << 24) | data->bzzzz[j]; - } - break; - case PIPE_FORMAT_Z24S8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth32[y][x] = (data->bzzzz[j] << 8) | data->stencilVals[j]; - } - break; - case PIPE_FORMAT_Z24X8_UNORM: - for (j = 0; j < QUAD_SIZE; j++) { - int x = quad->input.x0 % TILE_SIZE + (j & 1); - int y = quad->input.y0 % TILE_SIZE + (j >> 1); - tile->data.depth32[y][x] = data->bzzzz[j] << 8; - } - break; - default: - assert(0); - } -} - - - - -/** Only 8-bit stencil supported */ -#define STENCIL_MAX 0xff - - -/** - * Do the basic stencil test (compare stencil buffer values against the - * reference value. - * - * \param data->stencilVals the stencil values from the stencil buffer - * \param func the stencil func (PIPE_FUNC_x) - * \param ref the stencil reference value - * \param valMask the stencil value mask indicating which bits of the stencil - * values and ref value are to be used. - * \return mask indicating which pixels passed the stencil test - */ -static unsigned -do_stencil_test(struct depth_data *data, - unsigned func, - unsigned ref, unsigned valMask) -{ - unsigned passMask = 0x0; - unsigned j; - - ref &= valMask; - - switch (func) { - case PIPE_FUNC_NEVER: - /* passMask = 0x0 */ - break; - case PIPE_FUNC_LESS: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref < (data->stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_EQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref == (data->stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_LEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref <= (data->stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_GREATER: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref > (data->stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_NOTEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref != (data->stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_GEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (ref >= (data->stencilVals[j] & valMask)) { - passMask |= (1 << j); - } - } - break; - case PIPE_FUNC_ALWAYS: - passMask = MASK_ALL; - break; - default: - assert(0); - } - - return passMask; -} - - -/** - * Apply the stencil operator to stencil values. - * - * \param data->stencilVals the stencil buffer values (read and written) - * \param mask indicates which pixels to update - * \param op the stencil operator (PIPE_STENCIL_OP_x) - * \param ref the stencil reference value - * \param wrtMask writemask controlling which bits are changed in the - * stencil values - */ -static void -apply_stencil_op(struct depth_data *data, - unsigned mask, unsigned op, ubyte ref, ubyte wrtMask) -{ - unsigned j; - ubyte newstencil[QUAD_SIZE]; - - for (j = 0; j < QUAD_SIZE; j++) { - newstencil[j] = data->stencilVals[j]; - } - - switch (op) { - case PIPE_STENCIL_OP_KEEP: - /* no-op */ - break; - case PIPE_STENCIL_OP_ZERO: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = 0; - } - } - break; - case PIPE_STENCIL_OP_REPLACE: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = ref; - } - } - break; - case PIPE_STENCIL_OP_INCR: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - if (data->stencilVals[j] < STENCIL_MAX) { - newstencil[j] = data->stencilVals[j] + 1; - } - } - } - break; - case PIPE_STENCIL_OP_DECR: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - if (data->stencilVals[j] > 0) { - newstencil[j] = data->stencilVals[j] - 1; - } - } - } - break; - case PIPE_STENCIL_OP_INCR_WRAP: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = data->stencilVals[j] + 1; - } - } - break; - case PIPE_STENCIL_OP_DECR_WRAP: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = data->stencilVals[j] - 1; - } - } - break; - case PIPE_STENCIL_OP_INVERT: - for (j = 0; j < QUAD_SIZE; j++) { - if (mask & (1 << j)) { - newstencil[j] = ~data->stencilVals[j]; - } - } - break; - default: - assert(0); - } - - /* - * update the stencil values - */ - if (wrtMask != STENCIL_MAX) { - /* apply bit-wise stencil buffer writemask */ - for (j = 0; j < QUAD_SIZE; j++) { - data->stencilVals[j] = (wrtMask & newstencil[j]) | (~wrtMask & data->stencilVals[j]); - } - } - else { - for (j = 0; j < QUAD_SIZE; j++) { - data->stencilVals[j] = newstencil[j]; - } - } -} - - - -/* - * To increase efficiency, we should probably have multiple versions - * of this function that are specifically for Z16, Z32 and FP Z buffers. - * Try to effectively do that with codegen... - */ - -static boolean -depth_test_quad(struct quad_stage *qs, - struct depth_data *data, - struct quad_header *quad) -{ - struct llvmpipe_context *llvmpipe = qs->llvmpipe; - unsigned zmask = 0; - unsigned j; - - switch (llvmpipe->depth_stencil->depth.func) { - case PIPE_FUNC_NEVER: - /* zmask = 0 */ - break; - case PIPE_FUNC_LESS: - /* Note this is pretty much a single sse or cell instruction. - * Like this: quad->mask &= (quad->outputs.depth < zzzz); - */ - for (j = 0; j < QUAD_SIZE; j++) { - if (data->qzzzz[j] < data->bzzzz[j]) - zmask |= 1 << j; - } - break; - case PIPE_FUNC_EQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (data->qzzzz[j] == data->bzzzz[j]) - zmask |= 1 << j; - } - break; - case PIPE_FUNC_LEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (data->qzzzz[j] <= data->bzzzz[j]) - zmask |= (1 << j); - } - break; - case PIPE_FUNC_GREATER: - for (j = 0; j < QUAD_SIZE; j++) { - if (data->qzzzz[j] > data->bzzzz[j]) - zmask |= (1 << j); - } - break; - case PIPE_FUNC_NOTEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (data->qzzzz[j] != data->bzzzz[j]) - zmask |= (1 << j); - } - break; - case PIPE_FUNC_GEQUAL: - for (j = 0; j < QUAD_SIZE; j++) { - if (data->qzzzz[j] >= data->bzzzz[j]) - zmask |= (1 << j); - } - break; - case PIPE_FUNC_ALWAYS: - zmask = MASK_ALL; - break; - default: - assert(0); - } - - quad->inout.mask &= zmask; - if (quad->inout.mask == 0) - return FALSE; - - /* Update our internal copy only if writemask set. Even if - * depth.writemask is FALSE, may still need to write out buffer - * data due to stencil changes. - */ - if (llvmpipe->depth_stencil->depth.writemask) { - for (j = 0; j < QUAD_SIZE; j++) { - if (quad->inout.mask & (1 << j)) { - data->bzzzz[j] = data->qzzzz[j]; - } - } - } - - return TRUE; -} - - - -/** - * Do stencil (and depth) testing. Stenciling depends on the outcome of - * depth testing. - */ -static boolean -depth_stencil_test_quad(struct quad_stage *qs, - struct depth_data *data, - struct quad_header *quad) -{ - struct llvmpipe_context *llvmpipe = qs->llvmpipe; - unsigned func, zFailOp, zPassOp, failOp; - ubyte ref, wrtMask, valMask; - uint face = quad->input.facing; - - if (!llvmpipe->depth_stencil->stencil[1].enabled) { - /* single-sided stencil test, use front (face=0) state */ - face = 0; - } - - /* choose front or back face function, operator, etc */ - /* XXX we could do these initializations once per primitive */ - func = llvmpipe->depth_stencil->stencil[face].func; - failOp = llvmpipe->depth_stencil->stencil[face].fail_op; - zFailOp = llvmpipe->depth_stencil->stencil[face].zfail_op; - zPassOp = llvmpipe->depth_stencil->stencil[face].zpass_op; - ref = llvmpipe->depth_stencil->stencil[face].ref_value; - wrtMask = llvmpipe->depth_stencil->stencil[face].writemask; - valMask = llvmpipe->depth_stencil->stencil[face].valuemask; - - - /* do the stencil test first */ - { - unsigned passMask, failMask; - passMask = do_stencil_test(data, func, ref, valMask); - failMask = quad->inout.mask & ~passMask; - quad->inout.mask &= passMask; - - if (failOp != PIPE_STENCIL_OP_KEEP) { - apply_stencil_op(data, failMask, failOp, ref, wrtMask); - } - } - - if (quad->inout.mask) { - /* now the pixels that passed the stencil test are depth tested */ - if (llvmpipe->depth_stencil->depth.enabled) { - const unsigned origMask = quad->inout.mask; - - depth_test_quad(qs, data, quad); /* quad->mask is updated */ - - /* update stencil buffer values according to z pass/fail result */ - if (zFailOp != PIPE_STENCIL_OP_KEEP) { - const unsigned failMask = origMask & ~quad->inout.mask; - apply_stencil_op(data, failMask, zFailOp, ref, wrtMask); - } - - if (zPassOp != PIPE_STENCIL_OP_KEEP) { - const unsigned passMask = origMask & quad->inout.mask; - apply_stencil_op(data, passMask, zPassOp, ref, wrtMask); - } - } - else { - /* no depth test, apply Zpass operator to stencil buffer values */ - apply_stencil_op(data, quad->inout.mask, zPassOp, ref, wrtMask); - } - } - - return quad->inout.mask != 0; -} - - - -static unsigned mask_count[0x8] = -{ - 0, /* 0x0 */ - 1, /* 0x1 */ - 1, /* 0x2 */ - 2, /* 0x3 */ - 1, /* 0x4 */ - 2, /* 0x5 */ - 2, /* 0x6 */ - 3, /* 0x7 */ -}; - - - -static void -depth_test_quads_fallback(struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr) -{ - unsigned i, pass = 0; - const struct lp_fragment_shader *fs = qs->llvmpipe->fs; - boolean interp_depth = !fs->info.writes_z; - struct depth_data data; - - - if (qs->llvmpipe->framebuffer.zsbuf && - (qs->llvmpipe->depth_stencil->depth.enabled || - qs->llvmpipe->depth_stencil->stencil[0].enabled)) { - - data.ps = qs->llvmpipe->framebuffer.zsbuf; - data.format = data.ps->format; - data.tile = lp_get_cached_tile(qs->llvmpipe->zsbuf_cache, - quads[0]->input.x0, - quads[0]->input.y0); - - for (i = 0; i < nr; i++) { - if(!quads[i]->inout.mask) - continue; - - get_depth_stencil_values(&data, quads[i]); - - if (qs->llvmpipe->depth_stencil->depth.enabled) { - if (interp_depth) - interpolate_quad_depth(quads[i]); - - convert_quad_depth(&data, quads[i]); - } - - if (qs->llvmpipe->depth_stencil->stencil[0].enabled) { - if (!depth_stencil_test_quad(qs, &data, quads[i])) - continue; - } - else { - if (!depth_test_quad(qs, &data, quads[i])) - continue; - } - - if (qs->llvmpipe->depth_stencil->stencil[0].enabled || - qs->llvmpipe->depth_stencil->depth.writemask) - write_depth_stencil_values(&data, quads[i]); - - qs->llvmpipe->occlusion_count += mask_count[quads[i]->inout.mask]; - ++pass; - } - } - - if (pass) - qs->next->run(qs->next, quads, nr); -} - -/* XXX: this function assumes setup function actually emits linear - * spans of quads. It seems a lot more natural to do (early) - * depth-testing on spans rather than quads. - */ -static void -depth_interp_z16_less_write(struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr) -{ - unsigned i, pass = 0; - const unsigned ix = quads[0]->input.x0; - const unsigned iy = quads[0]->input.y0; - const float fx = (float) ix; - const float fy = (float) iy; - const float dzdx = quads[0]->coef->dadx[0][2]; - const float dzdy = quads[0]->coef->dady[0][2]; - const float z0 = quads[0]->coef->a0[0][2] + dzdx * fx + dzdy * fy; - struct llvmpipe_cached_tile *tile; - ushort (*depth16)[TILE_SIZE]; - ushort idepth[4], depth_step; - const float scale = 65535.0; - - idepth[0] = (ushort)((z0) * scale); - idepth[1] = (ushort)((z0 + dzdx) * scale); - idepth[2] = (ushort)((z0 + dzdy) * scale); - idepth[3] = (ushort)((z0 + dzdx + dzdy) * scale); - - depth_step = (ushort)(dzdx * 2 * scale); - - tile = lp_get_cached_tile(qs->llvmpipe->zsbuf_cache, ix, iy); - - depth16 = (ushort (*)[TILE_SIZE]) - &tile->data.depth16[iy % TILE_SIZE][ix % TILE_SIZE]; - - for (i = 0; i < nr; i++) { - unsigned outmask = quads[i]->inout.mask; - unsigned mask = 0; - - if ((outmask & 1) && idepth[0] < depth16[0][0]) { - depth16[0][0] = idepth[0]; - mask |= (1 << 0); - } - - if ((outmask & 2) && idepth[1] < depth16[0][1]) { - depth16[0][1] = idepth[1]; - mask |= (1 << 1); - } - - if ((outmask & 4) && idepth[2] < depth16[1][0]) { - depth16[1][0] = idepth[2]; - mask |= (1 << 2); - } - - if ((outmask & 8) && idepth[3] < depth16[1][1]) { - depth16[1][1] = idepth[3]; - mask |= (1 << 3); - } - - idepth[0] += depth_step; - idepth[1] += depth_step; - idepth[2] += depth_step; - idepth[3] += depth_step; - - depth16 = (ushort (*)[TILE_SIZE]) &depth16[0][2]; - - quads[i]->inout.mask = mask; - if (quads[i]->inout.mask) - ++pass; - } - - if (pass) - qs->next->run(qs->next, quads, nr); - -} - - -static void -depth_noop(struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr) -{ - qs->next->run(qs->next, quads, nr); -} - - - -static void -choose_depth_test(struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr) -{ - boolean interp_depth = !qs->llvmpipe->fs->info.writes_z; - - boolean depth = (qs->llvmpipe->framebuffer.zsbuf && - qs->llvmpipe->depth_stencil->depth.enabled); - - unsigned depthfunc = qs->llvmpipe->depth_stencil->depth.func; - - boolean stencil = qs->llvmpipe->depth_stencil->stencil[0].enabled; - - boolean depthwrite = qs->llvmpipe->depth_stencil->depth.writemask; - - - qs->run = depth_test_quads_fallback; - - if (!depth && - !stencil) { - qs->run = depth_noop; - } - else if (interp_depth && - depth && - depthfunc == PIPE_FUNC_LESS && - depthwrite && - !stencil) - { - switch (qs->llvmpipe->framebuffer.zsbuf->format) { - case PIPE_FORMAT_Z16_UNORM: - qs->run = depth_interp_z16_less_write; - break; - default: - break; - } - } - - qs->run( qs, quads, nr ); -} - - - - - -static void depth_test_begin(struct quad_stage *qs) -{ - qs->run = choose_depth_test; - qs->next->begin(qs->next); -} - - -static void depth_test_destroy(struct quad_stage *qs) -{ - FREE( qs ); -} - - -struct quad_stage *lp_quad_depth_test_stage( struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT(quad_stage); - - stage->llvmpipe = llvmpipe; - stage->begin = depth_test_begin; - stage->run = choose_depth_test; - stage->destroy = depth_test_destroy; - - return stage; -} diff --git a/src/gallium/drivers/llvmpipe/lp_quad_fs.c b/src/gallium/drivers/llvmpipe/lp_quad_fs.c index 2736efc956a..4f7a061fd6a 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_quad_fs.c @@ -39,23 +39,21 @@ #include "util/u_math.h" #include "util/u_memory.h" #include "pipe/p_defines.h" -#include "pipe/p_shader_tokens.h" +#include "pipe/p_screen.h" #include "lp_context.h" #include "lp_state.h" #include "lp_quad.h" #include "lp_quad_pipe.h" #include "lp_texture.h" -#include "lp_tex_sample.h" struct quad_shade_stage { struct quad_stage stage; /**< base class */ - union tgsi_exec_channel ALIGN16_ATTRIB pos[NUM_CHANNELS]; - - uint32_t ALIGN16_ATTRIB mask[NUM_CHANNELS]; + struct pipe_transfer *transfer; + uint8_t *map; }; @@ -79,6 +77,10 @@ shade_quad(struct quad_stage *qs, struct quad_header *quad) struct lp_fragment_shader *fs = llvmpipe->fs; void *constants; struct tgsi_sampler **samplers; + const unsigned x = quad->input.x0; + const unsigned y = quad->input.y0; + void *depth; + uint32_t ALIGN16_ATTRIB mask[NUM_CHANNELS]; unsigned chan_index; assert(fs->current); @@ -89,23 +91,38 @@ shade_quad(struct quad_stage *qs, struct quad_header *quad) samplers = (struct tgsi_sampler **)llvmpipe->tgsi.frag_samplers_list; for (chan_index = 0; chan_index < NUM_CHANNELS; ++chan_index) - qss->mask[chan_index] = ~0; + mask[chan_index] = quad->inout.mask & (1 << chan_index) ? ~0 : 0; + + if(qss->map) { + assert((x % 2) == 0); + assert((y % 2) == 0); + depth = qss->map + + y*qss->transfer->stride + + 2*x*qss->transfer->block.size; + } + else + depth = NULL; + + assert((((uintptr_t)mask) & 0xf) == 0); + assert((((uintptr_t)quad->output.color) & 0xf) == 0); + assert((((uintptr_t)depth) & 0xf) == 0); /* run shader */ - fs->current->jit_function( quad->input.x0, - quad->input.y0, + fs->current->jit_function( x, + y, quad->coef->a0, quad->coef->dadx, quad->coef->dady, constants, - qss->mask, + mask, quad->output.color, - quad->output.depth, + depth, samplers); for (chan_index = 0; chan_index < NUM_CHANNELS; ++chan_index) - if(!qss->mask[chan_index]) + if(!mask[chan_index]) quad->inout.mask &= ~(1 << chan_index); + if (quad->inout.mask == 0) return FALSE; @@ -168,6 +185,31 @@ shade_quads(struct quad_stage *qs, static void shade_begin(struct quad_stage *qs) { + struct quad_shade_stage *qss = quad_shade_stage( qs ); + struct llvmpipe_context *llvmpipe = qs->llvmpipe; + struct pipe_screen *screen = llvmpipe->pipe.screen; + struct pipe_surface *zsbuf = llvmpipe->framebuffer.zsbuf; + + if(qss->transfer) { + if(qss->map) { + screen->transfer_unmap(screen, qss->transfer); + qss->map = NULL; + } + + screen->tex_transfer_destroy(qss->transfer); + qss->transfer = NULL; + } + + if(zsbuf) { + qss->transfer = screen->get_tex_transfer(screen, zsbuf->texture, + zsbuf->face, zsbuf->level, zsbuf->zslice, + PIPE_TRANSFER_READ_WRITE, + 0, 0, zsbuf->width, zsbuf->height); + if(qss->transfer) + qss->map = screen->transfer_map(screen, qss->transfer); + + } + qs->next->begin(qs->next); } @@ -175,6 +217,20 @@ shade_begin(struct quad_stage *qs) static void shade_destroy(struct quad_stage *qs) { + struct quad_shade_stage *qss = quad_shade_stage( qs ); + struct llvmpipe_context *llvmpipe = qs->llvmpipe; + struct pipe_screen *screen = llvmpipe->pipe.screen; + + if(qss->transfer) { + if(qss->map) { + screen->transfer_unmap(screen, qss->transfer); + qss->map = NULL; + } + + screen->tex_transfer_destroy(qss->transfer); + qss->transfer = NULL; + } + align_free( qs ); } diff --git a/src/gallium/drivers/llvmpipe/lp_quad_pipe.c b/src/gallium/drivers/llvmpipe/lp_quad_pipe.c index 5371e1c5773..70d3ad39a62 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_pipe.c +++ b/src/gallium/drivers/llvmpipe/lp_quad_pipe.c @@ -42,22 +42,8 @@ lp_push_quad_first( struct llvmpipe_context *lp, void lp_build_quad_pipeline(struct llvmpipe_context *lp) { - boolean early_depth_test = - lp->depth_stencil->depth.enabled && - lp->framebuffer.zsbuf && - !lp->depth_stencil->alpha.enabled && - !lp->fs->info.uses_kill && - !lp->fs->info.writes_z; - lp->quad.first = lp->quad.blend; - if (early_depth_test) { - lp_push_quad_first( lp, lp->quad.shade ); - lp_push_quad_first( lp, lp->quad.depth_test ); - } - else { - lp_push_quad_first( lp, lp->quad.depth_test ); - lp_push_quad_first( lp, lp->quad.shade ); - } + lp_push_quad_first( lp, lp->quad.shade ); } diff --git a/src/gallium/drivers/llvmpipe/lp_quad_pipe.h b/src/gallium/drivers/llvmpipe/lp_quad_pipe.h index ee0dd65dd5c..52d4d686612 100644 --- a/src/gallium/drivers/llvmpipe/lp_quad_pipe.h +++ b/src/gallium/drivers/llvmpipe/lp_quad_pipe.h @@ -58,13 +58,10 @@ struct quad_stage { struct quad_stage *lp_quad_polygon_stipple_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_earlyz_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_shade_stage( struct llvmpipe_context *llvmpipe ); -struct quad_stage *lp_quad_alpha_test_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_stencil_test_stage( struct llvmpipe_context *llvmpipe ); -struct quad_stage *lp_quad_depth_test_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_occlusion_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_coverage_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_blend_stage( struct llvmpipe_context *llvmpipe ); -struct quad_stage *lp_quad_colormask_stage( struct llvmpipe_context *llvmpipe ); struct quad_stage *lp_quad_output_stage( struct llvmpipe_context *llvmpipe ); void lp_build_quad_pipeline(struct llvmpipe_context *lp); diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c index 2236711e9ba..750573a4a9a 100644 --- a/src/gallium/drivers/llvmpipe/lp_screen.c +++ b/src/gallium/drivers/llvmpipe/lp_screen.c @@ -138,6 +138,11 @@ llvmpipe_is_format_supported( struct pipe_screen *screen, target == PIPE_TEXTURE_3D || target == PIPE_TEXTURE_CUBE); + if(format == PIPE_FORMAT_Z16_UNORM) + return FALSE; + if(format == PIPE_FORMAT_S8_UNORM) + return FALSE; + switch(format) { case PIPE_FORMAT_DXT1_RGB: case PIPE_FORMAT_DXT1_RGBA: diff --git a/src/gallium/drivers/llvmpipe/lp_state.h b/src/gallium/drivers/llvmpipe/lp_state.h index db21096f215..2d6add8f3ac 100644 --- a/src/gallium/drivers/llvmpipe/lp_state.h +++ b/src/gallium/drivers/llvmpipe/lp_state.h @@ -74,15 +74,18 @@ typedef void struct lp_fragment_shader; -/** - * Subclass of pipe_shader_state (though it doesn't really need to be). - * - * This is starting to look an awful lot like a quad pipeline stage... - */ +struct lp_fragment_shader_variant_key +{ + struct pipe_depth_state depth; + struct pipe_alpha_state alpha; +}; + + struct lp_fragment_shader_variant { struct lp_fragment_shader *shader; - struct pipe_alpha_state alpha; + + struct lp_fragment_shader_variant_key key; LLVMValueRef function; @@ -103,8 +106,6 @@ struct lp_fragment_shader struct tgsi_shader_info info; - struct llvmpipe_screen *screen; - struct lp_fragment_shader_variant *variants; struct lp_fragment_shader_variant *current; diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 22274676df6..51962e63171 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -28,6 +28,7 @@ #include "pipe/p_defines.h" #include "util/u_memory.h" +#include "util/u_format.h" #include "util/u_debug_dump.h" #include "pipe/internal/p_winsys_screen.h" #include "pipe/p_shader_tokens.h" @@ -36,6 +37,8 @@ #include "tgsi/tgsi_scan.h" #include "tgsi/tgsi_parse.h" #include "lp_bld_type.h" +#include "lp_bld_conv.h" +#include "lp_bld_depth.h" #include "lp_bld_tgsi.h" #include "lp_bld_alpha.h" #include "lp_bld_swizzle.h" @@ -105,11 +108,54 @@ setup_pos_vector(LLVMBuilderRef builder, } +static void +depth_test_generate(struct llvmpipe_context *lp, + LLVMBuilderRef builder, + const struct pipe_depth_state *state, + union lp_type src_type, + LLVMValueRef *mask, + LLVMValueRef src, + LLVMValueRef dst_ptr) +{ + const struct util_format_description *format_desc; + union lp_type dst_type; + + if(!lp->framebuffer.zsbuf) + return; + + format_desc = util_format_description(lp->framebuffer.zsbuf->format); + assert(format_desc); + + dst_type = lp_depth_type(format_desc, src_type.width*src_type.length); + + assert(dst_type.width == src_type.width); + assert(dst_type.length == src_type.length); + +#if 1 + src = lp_build_clamped_float_to_unsigned_norm(builder, + src_type, + dst_type.width, + src); +#else + lp_build_conv(builder, src_type, dst_type, &src, 1, &src, 1); +#endif + + lp_build_depth_test(builder, + state, + dst_type, + format_desc, + mask, + src, + dst_ptr); +} + + static struct lp_fragment_shader_variant * -shader_generate(struct llvmpipe_screen *screen, +shader_generate(struct llvmpipe_context *lp, struct lp_fragment_shader *shader, - const struct pipe_alpha_state *alpha) + const struct lp_fragment_shader_variant_key *key) { + struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); struct lp_fragment_shader_variant *variant; const struct tgsi_token *tokens = shader->base.tokens; union lp_type type; @@ -140,9 +186,13 @@ shader_generate(struct llvmpipe_screen *screen, #ifdef DEBUG tgsi_dump(shader->base.tokens, 0); - debug_printf("alpha.enabled = %u\n", alpha->enabled); - debug_printf("alpha.func = %s\n", debug_dump_func(alpha->func, TRUE)); - debug_printf("alpha.ref_value = %f\n", alpha->ref_value); + debug_printf("depth.enabled = %u\n", key->depth.enabled); + debug_printf("depth.func = %s\n", debug_dump_func(key->depth.func, TRUE)); + debug_printf("depth.writemask = %u\n", key->depth.writemask); + debug_printf("depth.occlusion_count = %u\n", key->depth.occlusion_count); + debug_printf("alpha.enabled = %u\n", key->alpha.enabled); + debug_printf("alpha.func = %s\n", debug_dump_func(key->alpha.func, TRUE)); + debug_printf("alpha.ref_value = %f\n", key->alpha.ref_value); #endif variant = CALLOC_STRUCT(lp_fragment_shader_variant); @@ -150,7 +200,7 @@ shader_generate(struct llvmpipe_screen *screen, return NULL; variant->shader = shader; - memcpy(&variant->alpha, alpha, sizeof *alpha); + memcpy(&variant->key, key, sizeof *key); type.value = 0; type.floating = TRUE; /* floating point values */ @@ -171,7 +221,7 @@ shader_generate(struct llvmpipe_screen *screen, arg_types[5] = LLVMPointerType(elem_type, 0); /* consts */ arg_types[6] = LLVMPointerType(int_vec_type, 0); /* mask */ arg_types[7] = LLVMPointerType(vec_type, 0); /* color */ - arg_types[8] = LLVMPointerType(vec_type, 0); /* depth */ + arg_types[8] = LLVMPointerType(int_vec_type, 0); /* depth */ arg_types[9] = LLVMPointerType(LLVMInt8Type(), 0); /* samplers */ func_type = LLVMFunctionType(LLVMVoidType(), arg_types, Elements(arg_types), 0); @@ -212,6 +262,15 @@ shader_generate(struct llvmpipe_screen *screen, mask = LLVMBuildLoad(builder, mask_ptr, ""); + /* FIXME: + early_depth_test = + lp->depth_stencil->depth.enabled && + lp->framebuffer.zsbuf && + !lp->depth_stencil->alpha.enabled && + !lp->fs->info.uses_kill && + !lp->fs->info.writes_z; + */ + memset(outputs, 0, sizeof outputs); lp_build_tgsi_soa(builder, tokens, type, &mask, @@ -242,14 +301,18 @@ shader_generate(struct llvmpipe_screen *screen, } case TGSI_SEMANTIC_POSITION: - if(chan == 3) - LLVMBuildStore(builder, outputs[attrib][chan], depth_ptr); + if(chan == 2) + pos[2] = outputs[attrib][chan]; break; } } } } + depth_test_generate(lp, builder, &key->depth, + type, &mask, + pos[2], depth_ptr); + if(mask) LLVMBuildStore(builder, mask, mask_ptr); @@ -295,7 +358,6 @@ void * llvmpipe_create_fs_state(struct pipe_context *pipe, const struct pipe_shader_state *templ) { - struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); struct lp_fragment_shader *shader; shader = CALLOC_STRUCT(lp_fragment_shader); @@ -308,8 +370,6 @@ llvmpipe_create_fs_state(struct pipe_context *pipe, /* we need to keep a local copy of the tokens */ shader->base.tokens = tgsi_dup_tokens(templ->tokens); - shader->screen = screen; - return shader; } @@ -328,11 +388,12 @@ llvmpipe_bind_fs_state(struct pipe_context *pipe, void *fs) void llvmpipe_delete_fs_state(struct pipe_context *pipe, void *fs) { + struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen); struct lp_fragment_shader *shader = fs; struct lp_fragment_shader_variant *variant; - struct llvmpipe_screen *screen = shader->screen; - assert(fs != llvmpipe_context(pipe)->fs); + assert(fs != llvmpipe->fs); variant = shader->variants; while(variant) { @@ -436,19 +497,23 @@ llvmpipe_set_constant_buffer(struct pipe_context *pipe, void llvmpipe_update_fs(struct llvmpipe_context *lp) { struct lp_fragment_shader *shader = lp->fs; - const struct pipe_alpha_state *alpha = &lp->depth_stencil->alpha; + struct lp_fragment_shader_variant_key key; struct lp_fragment_shader_variant *variant; + memset(&key, 0, sizeof key); + memcpy(&key.depth, &lp->depth_stencil->depth, sizeof &key.depth); + memcpy(&key.alpha, &lp->depth_stencil->alpha, sizeof &key.alpha); + variant = shader->variants; while(variant) { - if(memcmp(&variant->alpha, alpha, sizeof *alpha) == 0) + if(memcmp(&variant->key, &key, sizeof key) == 0) break; variant = variant->next; } if(!variant) - variant = shader_generate(shader->screen, shader, alpha); + variant = shader_generate(lp, shader, &key); shader->current = variant; } diff --git a/src/gallium/drivers/llvmpipe/lp_state_surface.c b/src/gallium/drivers/llvmpipe/lp_state_surface.c index 1716048b3fc..00c61c47ef1 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_surface.c +++ b/src/gallium/drivers/llvmpipe/lp_state_surface.c @@ -67,15 +67,9 @@ llvmpipe_set_framebuffer_state(struct pipe_context *pipe, /* zbuf changing? */ if (lp->framebuffer.zsbuf != fb->zsbuf) { - /* flush old */ - lp_flush_tile_cache(lp->zsbuf_cache); - /* assign new */ lp->framebuffer.zsbuf = fb->zsbuf; - /* update cache */ - lp_tile_cache_set_surface(lp->zsbuf_cache, fb->zsbuf); - /* Tell draw module how deep the Z/depth buffer is */ if (lp->framebuffer.zsbuf) { int depth_bits; diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c index 1c1e015a326..18c2362e98d 100644 --- a/src/gallium/drivers/llvmpipe/lp_texture.c +++ b/src/gallium/drivers/llvmpipe/lp_texture.c @@ -133,6 +133,12 @@ llvmpipe_texture_create(struct pipe_screen *screen, pipe_reference_init(&lpt->base.reference, 1); lpt->base.screen = screen; + /* XXX: The xlib state tracker is brain-dead and will request + * PIPE_FORMAT_Z16_UNORM no matter how much we tell it we don't support it. + */ + if(lpt->base.format == PIPE_FORMAT_Z16_UNORM) + lpt->base.format = PIPE_FORMAT_Z32_UNORM; + if (lpt->base.tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) { if (!llvmpipe_displaytarget_layout(screen, lpt)) goto fail; |