diff options
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_exa_tgsi.c')
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_exa_tgsi.c | 489 |
1 files changed, 489 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c new file mode 100644 index 00000000000..cfee10c3b30 --- /dev/null +++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c @@ -0,0 +1,489 @@ +#include "xorg_exa_tgsi.h" + +/*### stupidity defined in X11/extensions/XI.h */ +#undef Absolute + +#include "pipe/p_format.h" +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "pipe/p_inlines.h" +#include "pipe/p_shader_tokens.h" + +#include "util/u_memory.h" +#include "util/u_simple_shaders.h" + +#include "tgsi/tgsi_ureg.h" + +#include "cso_cache/cso_context.h" +#include "cso_cache/cso_hash.h" + +/* Vertex shader: + * IN[0] = vertex pos + * IN[1] = src tex coord | solid fill color + * IN[2] = mask tex coord + * IN[3] = dst tex coord + * CONST[0] = (2/dst_width, 2/dst_height, 1, 1) + * CONST[1] = (-1, -1, 0, 0) + * + * OUT[0] = vertex pos + * OUT[1] = src tex coord | solid fill color + * OUT[2] = mask tex coord + * OUT[3] = dst tex coord + */ + +/* Fragment shader: + * SAMP[0] = src + * SAMP[1] = mask + * SAMP[2] = dst + * IN[0] = pos src | solid fill color + * IN[1] = pos mask + * IN[2] = pos dst + * CONST[0] = (0, 0, 0, 1) + * + * OUT[0] = color + */ + +struct xorg_shaders { + struct exa_context *exa; + + struct cso_hash *vs_hash; + struct cso_hash *fs_hash; +}; + +static const char over_op[] = + "SUB TEMP[3], CONST[0].wwww, TEMP[1].wwww\n" + "MUL TEMP[3], TEMP[0], TEMP[3]\n" + "ADD TEMP[0], TEMP[3], TEMP[0]\n"; + + +static INLINE void +create_preamble(struct ureg_program *ureg) +{ +} + + +static INLINE void +src_in_mask(struct ureg_program *ureg, + struct ureg_dst dst, + struct ureg_src src, + struct ureg_src mask) +{ + /* MUL dst, src, mask.wwww */ + ureg_MUL(ureg, dst, src, + ureg_scalar(mask, TGSI_SWIZZLE_W)); +} + +static struct ureg_src +vs_normalize_coords(struct ureg_program *ureg, struct ureg_src coords, + struct ureg_src const0, struct ureg_src const1) +{ + struct ureg_dst tmp = ureg_DECL_temporary(ureg); + struct ureg_src ret; + ureg_MUL(ureg, tmp, coords, const0); + ureg_ADD(ureg, tmp, ureg_src(tmp), const1); + ret = ureg_src(tmp); + ureg_release_temporary(ureg, tmp); + return ret; +} + +static void +linear_gradient(struct ureg_program *ureg, + struct ureg_dst out, + struct ureg_src pos, + struct ureg_src sampler, + struct ureg_src coords, + struct ureg_src const0124, + struct ureg_src matrow0, + struct ureg_src matrow1, + struct ureg_src matrow2) +{ + struct ureg_dst temp0 = ureg_DECL_temporary(ureg); + struct ureg_dst temp1 = ureg_DECL_temporary(ureg); + struct ureg_dst temp2 = ureg_DECL_temporary(ureg); + struct ureg_dst temp3 = ureg_DECL_temporary(ureg); + struct ureg_dst temp4 = ureg_DECL_temporary(ureg); + struct ureg_dst temp5 = ureg_DECL_temporary(ureg); + + ureg_MOV(ureg, + ureg_writemask(temp0, TGSI_WRITEMASK_XY), pos); + ureg_MOV(ureg, + ureg_writemask(temp0, TGSI_WRITEMASK_Z), + ureg_scalar(const0124, TGSI_SWIZZLE_Y)); + + ureg_DP3(ureg, temp1, matrow0, ureg_src(temp0)); + ureg_DP3(ureg, temp2, matrow1, ureg_src(temp0)); + ureg_DP3(ureg, temp3, matrow2, ureg_src(temp0)); + ureg_RCP(ureg, temp3, ureg_src(temp3)); + ureg_MUL(ureg, temp1, ureg_src(temp1), ureg_src(temp3)); + ureg_MUL(ureg, temp2, ureg_src(temp2), ureg_src(temp3)); + + ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_X), + ureg_src(temp1)); + ureg_MOV(ureg, ureg_writemask(temp4, TGSI_WRITEMASK_Y), + ureg_src(temp2)); + + ureg_MUL(ureg, temp0, + ureg_scalar(coords, TGSI_SWIZZLE_Y), + ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_Y)); + ureg_MAD(ureg, temp1, + ureg_scalar(coords, TGSI_SWIZZLE_X), + ureg_scalar(ureg_src(temp4), TGSI_SWIZZLE_X), + ureg_src(temp0)); + + ureg_MUL(ureg, temp2, + ureg_src(temp1), + ureg_scalar(coords, TGSI_SWIZZLE_Z)); + + ureg_TEX(ureg, out, + TGSI_TEXTURE_1D, ureg_src(temp2), sampler); + + ureg_release_temporary(ureg, temp0); + ureg_release_temporary(ureg, temp1); + ureg_release_temporary(ureg, temp2); + ureg_release_temporary(ureg, temp3); + ureg_release_temporary(ureg, temp4); + ureg_release_temporary(ureg, temp5); +} + + +static void +radial_gradient(struct ureg_program *ureg, + struct ureg_dst out, + struct ureg_src pos, + struct ureg_src sampler, + struct ureg_src coords, + struct ureg_src const0124, + struct ureg_src matrow0, + struct ureg_src matrow1, + struct ureg_src matrow2) +{ + struct ureg_dst temp0 = ureg_DECL_temporary(ureg); + struct ureg_dst temp1 = ureg_DECL_temporary(ureg); + struct ureg_dst temp2 = ureg_DECL_temporary(ureg); + struct ureg_dst temp3 = ureg_DECL_temporary(ureg); + struct ureg_dst temp4 = ureg_DECL_temporary(ureg); + struct ureg_dst temp5 = ureg_DECL_temporary(ureg); + + ureg_MOV(ureg, + ureg_writemask(temp0, TGSI_WRITEMASK_XY), + pos); + ureg_MOV(ureg, + ureg_writemask(temp0, TGSI_WRITEMASK_Z), + ureg_scalar(const0124, TGSI_SWIZZLE_Y)); + + ureg_DP3(ureg, temp1, matrow0, ureg_src(temp0)); + ureg_DP3(ureg, temp2, matrow1, ureg_src(temp0)); + ureg_DP3(ureg, temp3, matrow2, ureg_src(temp0)); + ureg_RCP(ureg, temp3, ureg_src(temp3)); + ureg_MUL(ureg, temp1, ureg_src(temp1), ureg_src(temp3)); + ureg_MUL(ureg, temp2, ureg_src(temp2), ureg_src(temp3)); + + ureg_MOV(ureg, ureg_writemask(temp5, TGSI_WRITEMASK_X), + ureg_src(temp1)); + ureg_MOV(ureg, ureg_writemask(temp5, TGSI_WRITEMASK_Y), + ureg_src(temp2)); + + ureg_MUL(ureg, temp0, ureg_scalar(coords, TGSI_SWIZZLE_Y), + ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_Y)); + ureg_MAD(ureg, temp1, + ureg_scalar(coords, TGSI_SWIZZLE_X), + ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_X), + ureg_src(temp0)); + ureg_ADD(ureg, temp1, + ureg_src(temp1), ureg_src(temp1)); + ureg_MUL(ureg, temp3, + ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_Y), + ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_Y)); + ureg_MAD(ureg, temp4, + ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_X), + ureg_scalar(ureg_src(temp5), TGSI_SWIZZLE_X), + ureg_src(temp3)); + ureg_MOV(ureg, temp4, ureg_negate(ureg_src(temp4))); + ureg_MUL(ureg, temp2, + ureg_scalar(coords, TGSI_SWIZZLE_Z), + ureg_src(temp4)); + ureg_MUL(ureg, temp0, + ureg_scalar(const0124, TGSI_SWIZZLE_W), + ureg_src(temp2)); + ureg_MUL(ureg, temp3, + ureg_src(temp1), ureg_src(temp1)); + ureg_SUB(ureg, temp2, + ureg_src(temp3), ureg_src(temp0)); + ureg_RSQ(ureg, temp2, ureg_abs(ureg_src(temp2))); + ureg_RCP(ureg, temp2, ureg_src(temp2)); + ureg_SUB(ureg, temp1, + ureg_src(temp2), ureg_src(temp1)); + ureg_ADD(ureg, temp0, + ureg_scalar(coords, TGSI_SWIZZLE_Z), + ureg_scalar(coords, TGSI_SWIZZLE_Z)); + ureg_RCP(ureg, temp0, ureg_src(temp0)); + ureg_MUL(ureg, temp2, + ureg_src(temp1), ureg_src(temp0)); + ureg_TEX(ureg, out, TGSI_TEXTURE_1D, + ureg_src(temp2), sampler); + + ureg_release_temporary(ureg, temp0); + ureg_release_temporary(ureg, temp1); + ureg_release_temporary(ureg, temp2); + ureg_release_temporary(ureg, temp3); + ureg_release_temporary(ureg, temp4); + ureg_release_temporary(ureg, temp5); +} + +static void * +create_vs(struct pipe_context *pipe, + unsigned vs_traits) +{ + struct ureg_program *ureg; + struct ureg_src src; + struct ureg_dst dst; + struct ureg_src const0, const1; + boolean is_fill = vs_traits & VS_FILL; + boolean is_composite = vs_traits & VS_COMPOSITE; + boolean has_mask = vs_traits & VS_MASK; + + ureg = ureg_create(TGSI_PROCESSOR_VERTEX); + if (ureg == NULL) + return 0; + + const0 = ureg_DECL_constant(ureg); + const1 = ureg_DECL_constant(ureg); + + /* it has to be either a fill or a composite op */ + debug_assert(is_fill ^ is_composite); + + src = ureg_DECL_vs_input(ureg, + TGSI_SEMANTIC_POSITION, 0); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); + src = vs_normalize_coords(ureg, src, + const0, const1); + ureg_MOV(ureg, dst, src); + + + if (is_composite) { + src = ureg_DECL_vs_input(ureg, + TGSI_SEMANTIC_GENERIC, 1); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 1); + ureg_MOV(ureg, dst, src); + } + if (is_fill) { + src = ureg_DECL_vs_input(ureg, + TGSI_SEMANTIC_COLOR, 1); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 1); + ureg_MOV(ureg, dst, src); + } + + if (has_mask) { + src = ureg_DECL_vs_input(ureg, + TGSI_SEMANTIC_GENERIC, 2); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 2); + ureg_MOV(ureg, dst, src); + } + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +static void * +create_fs(struct pipe_context *pipe, + unsigned fs_traits) +{ + struct ureg_program *ureg; + struct ureg_src /*dst_sampler,*/ src_sampler, mask_sampler; + struct ureg_src /*dst_pos,*/ src_input, mask_pos; + struct ureg_dst src, mask; + struct ureg_dst out; + boolean has_mask = fs_traits & FS_MASK; + boolean is_fill = fs_traits & FS_FILL; + boolean is_composite = fs_traits & FS_COMPOSITE; + boolean is_solid = fs_traits & FS_SOLID_FILL; + boolean is_lingrad = fs_traits & FS_LINGRAD_FILL; + boolean is_radgrad = fs_traits & FS_RADGRAD_FILL; + + ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); + if (ureg == NULL) + return 0; + + /* it has to be either a fill or a composite op */ + debug_assert(is_fill ^ is_composite); + + out = ureg_DECL_output(ureg, + TGSI_SEMANTIC_COLOR, + 0); + + if (is_composite) { + src_sampler = ureg_DECL_sampler(ureg, 0); + src_input = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_POSITION, + 0, + TGSI_INTERPOLATE_PERSPECTIVE); + } + if (is_fill) { + if (is_solid) + src_input = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_COLOR, + 0, + TGSI_INTERPOLATE_PERSPECTIVE); + else + src_input = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_POSITION, + 0, + TGSI_INTERPOLATE_PERSPECTIVE); + } + + if (has_mask) { + mask_sampler = ureg_DECL_sampler(ureg, 1); + mask_pos = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_POSITION, + 1, + TGSI_INTERPOLATE_PERSPECTIVE); + } + +#if 0 /* unused right now */ + dst_sampler = ureg_DECL_sampler(ureg, 2); + dst_pos = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_POSITION, + 2, + TGSI_INTERPOLATE_PERSPECTIVE); +#endif + + if (is_composite) { + if (has_mask) + src = ureg_DECL_temporary(ureg); + else + src = out; + ureg_TEX(ureg, src, + TGSI_TEXTURE_2D, src_input, src_sampler); + } else if (is_fill) { + if (is_solid) { + if (has_mask) + src = ureg_dst(src_input); + else + ureg_MOV(ureg, out, src_input); + } else if (is_lingrad || is_radgrad) { + struct ureg_src coords, const0124, + matrow0, matrow1, matrow2; + + if (has_mask) + src = ureg_DECL_temporary(ureg); + else + src = out; + + coords = ureg_DECL_constant(ureg); + const0124 = ureg_DECL_constant(ureg); + matrow0 = ureg_DECL_constant(ureg); + matrow1 = ureg_DECL_constant(ureg); + matrow2 = ureg_DECL_constant(ureg); + + if (is_lingrad) { + linear_gradient(ureg, src, + src_input, src_sampler, + coords, const0124, + matrow0, matrow1, matrow2); + } else if (is_radgrad) { + radial_gradient(ureg, src, + src_input, src_sampler, + coords, const0124, + matrow0, matrow1, matrow2); + } + } else + debug_assert(!"Unknown fill type!"); + } + + if (has_mask) { + mask = ureg_DECL_temporary(ureg); + ureg_TEX(ureg, mask, + TGSI_TEXTURE_2D, mask_pos, mask_sampler); + /* src IN mask */ + src_in_mask(ureg, out, ureg_src(src), ureg_src(mask)); + ureg_release_temporary(ureg, mask); + } + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +struct xorg_shaders * xorg_shaders_create(struct exa_context *exa) +{ + struct xorg_shaders *sc = CALLOC_STRUCT(xorg_shaders); + + sc->exa = exa; + sc->vs_hash = cso_hash_create(); + sc->fs_hash = cso_hash_create(); + + return sc; +} + +static void +cache_destroy(struct cso_context *cso, + struct cso_hash *hash, + unsigned processor) +{ + struct cso_hash_iter iter = cso_hash_first_node(hash); + while (!cso_hash_iter_is_null(iter)) { + void *shader = (void *)cso_hash_iter_data(iter); + if (processor == PIPE_SHADER_FRAGMENT) { + cso_delete_fragment_shader(cso, shader); + } else if (processor == PIPE_SHADER_VERTEX) { + cso_delete_vertex_shader(cso, shader); + } + iter = cso_hash_erase(hash, iter); + } + cso_hash_delete(hash); +} + +void xorg_shaders_destroy(struct xorg_shaders *sc) +{ + cache_destroy(sc->exa->cso, sc->vs_hash, + PIPE_SHADER_VERTEX); + cache_destroy(sc->exa->cso, sc->fs_hash, + PIPE_SHADER_FRAGMENT); + + free(sc); +} + +static INLINE void * +shader_from_cache(struct pipe_context *pipe, + unsigned type, + struct cso_hash *hash, + unsigned key) +{ + void *shader = 0; + + struct cso_hash_iter iter = cso_hash_find(hash, key); + + if (cso_hash_iter_is_null(iter)) { + if (type == PIPE_SHADER_VERTEX) + shader = create_vs(pipe, key); + else + shader = create_fs(pipe, key); + cso_hash_insert(hash, key, shader); + } else + shader = (void *)cso_hash_iter_data(iter); + + return shader; +} + +struct xorg_shader xorg_shaders_get(struct xorg_shaders *sc, + unsigned vs_traits, + unsigned fs_traits) +{ + struct xorg_shader shader = {0}; + void *vs, *fs; + + vs = shader_from_cache(sc->exa->ctx, PIPE_SHADER_VERTEX, + sc->vs_hash, vs_traits); + fs = shader_from_cache(sc->exa->ctx, PIPE_SHADER_FRAGMENT, + sc->fs_hash, fs_traits); + + debug_assert(vs && fs); + if (!vs || !fs) + return shader; + + shader.vs = vs; + shader.fs = fs; + + return shader; +} |