diff options
Diffstat (limited to 'src/gallium/state_trackers/xa/xa_tgsi.c')
| -rw-r--r-- | src/gallium/state_trackers/xa/xa_tgsi.c | 651 |
1 files changed, 651 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xa/xa_tgsi.c b/src/gallium/state_trackers/xa/xa_tgsi.c new file mode 100644 index 00000000000..fb6ffefd636 --- /dev/null +++ b/src/gallium/state_trackers/xa/xa_tgsi.c @@ -0,0 +1,651 @@ +/********************************************************** + * Copyright 2009-2011 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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. + * + ********************************************************* + * Authors: + * Zack Rusin <zackr-at-vmware-dot-com> + */ +#include "xa_priv.h" + +#include "pipe/p_format.h" +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "pipe/p_shader_tokens.h" + +#include "util/u_memory.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 + */ + +static void +print_fs_traits(int fs_traits) +{ + const char *strings[] = { + "FS_COMPOSITE", /* = 1 << 0, */ + "FS_MASK", /* = 1 << 1, */ + "FS_SOLID_FILL", /* = 1 << 2, */ + "FS_LINGRAD_FILL", /* = 1 << 3, */ + "FS_RADGRAD_FILL", /* = 1 << 4, */ + "FS_CA_FULL", /* = 1 << 5, *//* src.rgba * mask.rgba */ + "FS_CA_SRCALPHA", /* = 1 << 6, *//* src.aaaa * mask.rgba */ + "FS_YUV", /* = 1 << 7, */ + "FS_SRC_REPEAT_NONE", /* = 1 << 8, */ + "FS_MASK_REPEAT_NONE", /* = 1 << 9, */ + "FS_SRC_SWIZZLE_RGB", /* = 1 << 10, */ + "FS_MASK_SWIZZLE_RGB", /* = 1 << 11, */ + "FS_SRC_SET_ALPHA", /* = 1 << 12, */ + "FS_MASK_SET_ALPHA", /* = 1 << 13, */ + "FS_SRC_LUMINANCE", /* = 1 << 14, */ + "FS_MASK_LUMINANCE", /* = 1 << 15, */ + }; + int i, k; + + debug_printf("%s: ", __func__); + + for (i = 0, k = 1; k < (1 << 16); i++, k <<= 1) { + if (fs_traits & k) + debug_printf("%s, ", strings[i]); + } + + debug_printf("\n"); +} + +struct xa_shaders { + struct xa_context *r; + + struct cso_hash *vs_hash; + struct cso_hash *fs_hash; +}; + +static INLINE void +src_in_mask(struct ureg_program *ureg, + struct ureg_dst dst, + struct ureg_src src, + struct ureg_src mask, + unsigned component_alpha, unsigned mask_luminance) +{ + if (component_alpha == FS_CA_FULL) { + ureg_MUL(ureg, dst, src, mask); + } else if (component_alpha == FS_CA_SRCALPHA) { + ureg_MUL(ureg, dst, ureg_scalar(src, TGSI_SWIZZLE_W), mask); + } else { + if (mask_luminance) + ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_X)); + else + 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_MAD(ureg, tmp, coords, const0, 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) != 0; + boolean is_composite = (vs_traits & VS_COMPOSITE) != 0; + boolean has_mask = (vs_traits & VS_MASK) != 0; + boolean is_yuv = (vs_traits & VS_YUV) != 0; + unsigned input_slot = 0; + + ureg = ureg_create(TGSI_PROCESSOR_VERTEX); + if (ureg == NULL) + return 0; + + const0 = ureg_DECL_constant(ureg, 0); + const1 = ureg_DECL_constant(ureg, 1); + + /* it has to be either a fill or a composite op */ + debug_assert((is_fill ^ is_composite) ^ is_yuv); + + src = ureg_DECL_vs_input(ureg, input_slot++); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); + src = vs_normalize_coords(ureg, src, const0, const1); + ureg_MOV(ureg, dst, src); + + if (is_yuv) { + src = ureg_DECL_vs_input(ureg, input_slot++); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0); + ureg_MOV(ureg, dst, src); + } + + if (is_composite) { + src = ureg_DECL_vs_input(ureg, input_slot++); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0); + ureg_MOV(ureg, dst, src); + } + + if (is_fill) { + src = ureg_DECL_vs_input(ureg, input_slot++); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); + ureg_MOV(ureg, dst, src); + } + + if (has_mask) { + src = ureg_DECL_vs_input(ureg, input_slot++); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 1); + ureg_MOV(ureg, dst, src); + } + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +static void * +create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg) +{ + struct ureg_src y_sampler, u_sampler, v_sampler; + struct ureg_src pos; + struct ureg_src matrow0, matrow1, matrow2; + struct ureg_dst y, u, v, rgb; + struct ureg_dst out = ureg_DECL_output(ureg, + TGSI_SEMANTIC_COLOR, + 0); + + pos = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_GENERIC, 0, + TGSI_INTERPOLATE_PERSPECTIVE); + + rgb = ureg_DECL_temporary(ureg); + y = ureg_DECL_temporary(ureg); + u = ureg_DECL_temporary(ureg); + v = ureg_DECL_temporary(ureg); + + y_sampler = ureg_DECL_sampler(ureg, 0); + u_sampler = ureg_DECL_sampler(ureg, 1); + v_sampler = ureg_DECL_sampler(ureg, 2); + + matrow0 = ureg_DECL_constant(ureg, 0); + matrow1 = ureg_DECL_constant(ureg, 1); + matrow2 = ureg_DECL_constant(ureg, 2); + + ureg_TEX(ureg, y, TGSI_TEXTURE_2D, pos, y_sampler); + ureg_TEX(ureg, u, TGSI_TEXTURE_2D, pos, u_sampler); + ureg_TEX(ureg, v, TGSI_TEXTURE_2D, pos, v_sampler); + + ureg_SUB(ureg, u, ureg_src(u), ureg_scalar(matrow0, TGSI_SWIZZLE_W)); + ureg_SUB(ureg, v, ureg_src(v), ureg_scalar(matrow0, TGSI_SWIZZLE_W)); + + ureg_MUL(ureg, rgb, ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X), matrow0); + ureg_MAD(ureg, rgb, + ureg_scalar(ureg_src(u), TGSI_SWIZZLE_X), matrow1, ureg_src(rgb)); + ureg_MAD(ureg, rgb, + ureg_scalar(ureg_src(v), TGSI_SWIZZLE_X), matrow2, ureg_src(rgb)); + + /* rgb.a = 1; */ + ureg_MOV(ureg, ureg_writemask(rgb, TGSI_WRITEMASK_W), + ureg_scalar(matrow0, TGSI_SWIZZLE_X)); + + ureg_MOV(ureg, out, ureg_src(rgb)); + + ureg_release_temporary(ureg, rgb); + ureg_release_temporary(ureg, y); + ureg_release_temporary(ureg, u); + ureg_release_temporary(ureg, v); + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +static INLINE void +xrender_tex(struct ureg_program *ureg, + struct ureg_dst dst, + struct ureg_src coords, + struct ureg_src sampler, + struct ureg_src imm0, + boolean repeat_none, boolean swizzle, boolean set_alpha) +{ + if (repeat_none) { + struct ureg_dst tmp0 = ureg_DECL_temporary(ureg); + struct ureg_dst tmp1 = ureg_DECL_temporary(ureg); + + ureg_SGT(ureg, tmp1, ureg_swizzle(coords, + TGSI_SWIZZLE_X, + TGSI_SWIZZLE_Y, + TGSI_SWIZZLE_X, + TGSI_SWIZZLE_Y), ureg_scalar(imm0, + TGSI_SWIZZLE_X)); + ureg_SLT(ureg, tmp0, + ureg_swizzle(coords, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, + TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y), ureg_scalar(imm0, + TGSI_SWIZZLE_W)); + ureg_MIN(ureg, tmp0, ureg_src(tmp0), ureg_src(tmp1)); + ureg_MIN(ureg, tmp0, ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_X), + ureg_scalar(ureg_src(tmp0), TGSI_SWIZZLE_Y)); + ureg_TEX(ureg, tmp1, TGSI_TEXTURE_2D, coords, sampler); + if (swizzle) + ureg_MOV(ureg, tmp1, ureg_swizzle(ureg_src(tmp1), + TGSI_SWIZZLE_Z, + TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X, + TGSI_SWIZZLE_W)); + if (set_alpha) + ureg_MOV(ureg, + ureg_writemask(tmp1, TGSI_WRITEMASK_W), + ureg_scalar(imm0, TGSI_SWIZZLE_W)); + ureg_MUL(ureg, dst, ureg_src(tmp1), ureg_src(tmp0)); + ureg_release_temporary(ureg, tmp0); + ureg_release_temporary(ureg, tmp1); + } else { + if (swizzle) { + struct ureg_dst tmp = ureg_DECL_temporary(ureg); + + ureg_TEX(ureg, tmp, TGSI_TEXTURE_2D, coords, sampler); + ureg_MOV(ureg, dst, ureg_swizzle(ureg_src(tmp), + TGSI_SWIZZLE_Z, + TGSI_SWIZZLE_Y, TGSI_SWIZZLE_X, + TGSI_SWIZZLE_W)); + ureg_release_temporary(ureg, tmp); + } else { + ureg_TEX(ureg, dst, TGSI_TEXTURE_2D, coords, sampler); + } + if (set_alpha) + ureg_MOV(ureg, + ureg_writemask(dst, TGSI_WRITEMASK_W), + ureg_scalar(imm0, TGSI_SWIZZLE_W)); + } +} + +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; + struct ureg_src imm0 = { 0 }; + unsigned has_mask = (fs_traits & FS_MASK) != 0; + unsigned is_fill = (fs_traits & FS_FILL) != 0; + unsigned is_composite = (fs_traits & FS_COMPOSITE) != 0; + unsigned is_solid = (fs_traits & FS_SOLID_FILL) != 0; + unsigned is_lingrad = (fs_traits & FS_LINGRAD_FILL) != 0; + unsigned is_radgrad = (fs_traits & FS_RADGRAD_FILL) != 0; + unsigned comp_alpha_mask = fs_traits & FS_COMPONENT_ALPHA; + unsigned is_yuv = (fs_traits & FS_YUV) != 0; + unsigned src_repeat_none = (fs_traits & FS_SRC_REPEAT_NONE) != 0; + unsigned mask_repeat_none = (fs_traits & FS_MASK_REPEAT_NONE) != 0; + unsigned src_swizzle = (fs_traits & FS_SRC_SWIZZLE_RGB) != 0; + unsigned mask_swizzle = (fs_traits & FS_MASK_SWIZZLE_RGB) != 0; + unsigned src_set_alpha = (fs_traits & FS_SRC_SET_ALPHA) != 0; + unsigned mask_set_alpha = (fs_traits & FS_MASK_SET_ALPHA) != 0; + unsigned src_luminance = (fs_traits & FS_SRC_LUMINANCE) != 0; + unsigned mask_luminance = (fs_traits & FS_MASK_LUMINANCE) != 0; + +#if 0 + print_fs_traits(fs_traits); +#else + (void)print_fs_traits; +#endif + + ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); + if (ureg == NULL) + return 0; + + /* it has to be either a fill, a composite op or a yuv conversion */ + debug_assert((is_fill ^ is_composite) ^ is_yuv); + (void)is_yuv; + + out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); + + if (src_repeat_none || mask_repeat_none || + src_set_alpha || mask_set_alpha || src_luminance) { + imm0 = ureg_imm4f(ureg, 0, 0, 0, 1); + } + if (is_composite) { + src_sampler = ureg_DECL_sampler(ureg, 0); + src_input = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_GENERIC, 0, + TGSI_INTERPOLATE_PERSPECTIVE); + } else 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); + } else { + debug_assert(is_yuv); + return create_yuv_shader(pipe, ureg); + } + + if (has_mask) { + mask_sampler = ureg_DECL_sampler(ureg, 1); + mask_pos = ureg_DECL_fs_input(ureg, + TGSI_SEMANTIC_GENERIC, 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_luminance) + src = ureg_DECL_temporary(ureg); + else + src = out; + xrender_tex(ureg, src, src_input, src_sampler, imm0, + src_repeat_none, src_swizzle, src_set_alpha); + } else if (is_fill) { + if (is_solid) { + if (has_mask || src_luminance) + 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_luminance) + src = ureg_DECL_temporary(ureg); + else + src = out; + + coords = ureg_DECL_constant(ureg, 0); + const0124 = ureg_DECL_constant(ureg, 1); + matrow0 = ureg_DECL_constant(ureg, 2); + matrow1 = ureg_DECL_constant(ureg, 3); + matrow2 = ureg_DECL_constant(ureg, 4); + + 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 (src_luminance) { + ureg_MOV(ureg, src, ureg_scalar(ureg_src(src), TGSI_SWIZZLE_X)); + ureg_MOV(ureg, ureg_writemask(src, TGSI_WRITEMASK_XYZ), + ureg_scalar(imm0, TGSI_SWIZZLE_X)); + if (!has_mask) + ureg_MOV(ureg, out, ureg_src(src)); + } + + if (has_mask) { + mask = ureg_DECL_temporary(ureg); + xrender_tex(ureg, mask, mask_pos, mask_sampler, imm0, + mask_repeat_none, mask_swizzle, mask_set_alpha); + /* src IN mask */ + src_in_mask(ureg, out, ureg_src(src), ureg_src(mask), + comp_alpha_mask, mask_luminance); + ureg_release_temporary(ureg, mask); + } + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +struct xa_shaders * +xa_shaders_create(struct xa_context *r) +{ + struct xa_shaders *sc = CALLOC_STRUCT(xa_shaders); + + sc->r = r; + 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 +xa_shaders_destroy(struct xa_shaders *sc) +{ + cache_destroy(sc->r->cso, sc->vs_hash, PIPE_SHADER_VERTEX); + cache_destroy(sc->r->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 xa_shader +xa_shaders_get(struct xa_shaders *sc, unsigned vs_traits, unsigned fs_traits) +{ + struct xa_shader shader = { NULL, NULL }; + void *vs, *fs; + + vs = shader_from_cache(sc->r->pipe, PIPE_SHADER_VERTEX, + sc->vs_hash, vs_traits); + fs = shader_from_cache(sc->r->pipe, 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; +} |