+++ /dev/null
-/**********************************************************
- * 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
- * OUT[2] = mask tex coord
- * OUT[3] = dst tex coord
- */
-
-/* Fragment shader. Samplers are allocated when needed.
- * SAMP[0] = sampler for first texture (src or mask if src is solid)
- * SAMP[1] = sampler for second texture (mask or none)
- * IN[0] = first texture coordinates if present
- * IN[1] = second texture coordinates if present
- * CONST[0] = Solid color (src if src solid or mask if mask solid
- * or src in mask if both solid).
- *
- * OUT[0] = color
- */
-
-static void
-print_fs_traits(int fs_traits)
-{
- const char *strings[] = {
- "FS_COMPOSITE", /* = 1 << 0, */
- "FS_MASK", /* = 1 << 1, */
- "FS_SRC_SRC", /* = 1 << 2, */
- "FS_MASK_SRC", /* = 1 << 3, */
- "FS_YUV", /* = 1 << 4, */
- "FS_SRC_REPEAT_NONE", /* = 1 << 5, */
- "FS_MASK_REPEAT_NONE", /* = 1 << 6, */
- "FS_SRC_SWIZZLE_RGB", /* = 1 << 7, */
- "FS_MASK_SWIZZLE_RGB", /* = 1 << 8, */
- "FS_SRC_SET_ALPHA", /* = 1 << 9, */
- "FS_MASK_SET_ALPHA", /* = 1 << 10, */
- "FS_SRC_LUMINANCE", /* = 1 << 11, */
- "FS_MASK_LUMINANCE", /* = 1 << 12, */
- "FS_DST_LUMINANCE", /* = 1 << 13, */
- "FS_CA", /* = 1 << 14, */
- };
- 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 mask_luminance, boolean component_alpha)
-{
- if (mask_luminance)
- if (component_alpha) {
- ureg_MOV(ureg, dst, src);
- ureg_MUL(ureg, ureg_writemask(dst, TGSI_WRITEMASK_W),
- src, ureg_scalar(mask, TGSI_SWIZZLE_X));
- } else {
- ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_X));
- }
- else if (!component_alpha)
- ureg_MUL(ureg, dst, src, ureg_scalar(mask, TGSI_SWIZZLE_W));
- else
- ureg_MUL(ureg, dst, src, mask);
-}
-
-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 *
-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_composite = (vs_traits & VS_COMPOSITE) != 0;
- boolean has_mask = (vs_traits & VS_MASK) != 0;
- boolean is_yuv = (vs_traits & VS_YUV) != 0;
- boolean is_src_src = (vs_traits & VS_SRC_SRC) != 0;
- boolean is_mask_src = (vs_traits & VS_MASK_SRC) != 0;
- unsigned input_slot = 0;
-
- ureg = ureg_create(PIPE_SHADER_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 */
- 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) {
- if (!is_src_src || (has_mask && !is_mask_src)) {
- src = ureg_DECL_vs_input(ureg, input_slot++);
- dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
- ureg_MOV(ureg, dst, src);
- }
-
- if (!is_src_src && (has_mask && !is_mask_src)) {
- 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, matrow3;
- 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);
-
- ureg_DECL_sampler_view(ureg, 0, TGSI_TEXTURE_2D,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT);
- ureg_DECL_sampler_view(ureg, 1, TGSI_TEXTURE_2D,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT);
- ureg_DECL_sampler_view(ureg, 2, TGSI_TEXTURE_2D,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT);
-
- matrow0 = ureg_DECL_constant(ureg, 0);
- matrow1 = ureg_DECL_constant(ureg, 1);
- matrow2 = ureg_DECL_constant(ureg, 2);
- matrow3 = ureg_DECL_constant(ureg, 3);
-
- 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_MOV(ureg, rgb, matrow3);
- ureg_MAD(ureg, rgb,
- ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X), matrow0, ureg_src(rgb));
- 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));
-
- 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,
- const 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
-read_input(struct ureg_program *ureg,
- struct ureg_dst dst,
- const struct ureg_src *imm0,
- boolean repeat_none, boolean swizzle, boolean set_alpha,
- boolean is_src, unsigned *cur_constant, unsigned *cur_sampler)
-{
- struct ureg_src input, sampler;
-
- if (is_src) {
- input = ureg_DECL_constant(ureg, (*cur_constant)++);
- ureg_MOV(ureg, dst, input);
- } else {
- sampler = ureg_DECL_sampler(ureg, *cur_sampler);
- ureg_DECL_sampler_view(ureg, *cur_sampler, TGSI_TEXTURE_2D,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT,
- TGSI_RETURN_TYPE_FLOAT, TGSI_RETURN_TYPE_FLOAT);
- input = ureg_DECL_fs_input(ureg,
- TGSI_SEMANTIC_GENERIC, (*cur_sampler)++,
- TGSI_INTERPOLATE_PERSPECTIVE);
- xrender_tex(ureg, dst, input, sampler, imm0,
- repeat_none, swizzle, set_alpha);
- }
-}
-
-static void *
-create_fs(struct pipe_context *pipe, unsigned fs_traits)
-{
- struct ureg_program *ureg;
- struct ureg_dst src, mask;
- struct ureg_dst out;
- struct ureg_src imm0 = { 0 };
- unsigned has_mask = (fs_traits & FS_MASK) != 0;
- 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;
- unsigned dst_luminance = (fs_traits & FS_DST_LUMINANCE) != 0;
- unsigned is_src_src = (fs_traits & FS_SRC_SRC) != 0;
- unsigned is_mask_src = (fs_traits & FS_MASK_SRC) != 0;
- boolean component_alpha = (fs_traits & FS_CA) != 0;
- unsigned cur_sampler = 0;
- unsigned cur_constant = 0;
-
-#if 0
- print_fs_traits(fs_traits);
-#else
- (void)print_fs_traits;
-#endif
-
- ureg = ureg_create(PIPE_SHADER_FRAGMENT);
- if (ureg == NULL)
- return 0;
-
- if (is_yuv)
- return create_yuv_shader(pipe, ureg);
-
- 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);
- }
-
- src = (has_mask || src_luminance || dst_luminance) ?
- ureg_DECL_temporary(ureg) : out;
-
- read_input(ureg, src, &imm0, src_repeat_none, src_swizzle,
- src_set_alpha, is_src_src, &cur_constant, &cur_sampler);
-
- 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 && !dst_luminance)
- ureg_MOV(ureg, out, ureg_src(src));
- }
-
- if (has_mask) {
- mask = ureg_DECL_temporary(ureg);
- read_input(ureg, mask, &imm0, mask_repeat_none,
- mask_swizzle, mask_set_alpha, is_mask_src, &cur_constant,
- &cur_sampler);
-
- src_in_mask(ureg, (dst_luminance) ? src : out, ureg_src(src),
- ureg_src(mask), mask_luminance, component_alpha);
-
- ureg_release_temporary(ureg, mask);
- }
-
- if (dst_luminance) {
- /*
- * Make sure the alpha channel goes into the output L8 surface.
- */
- ureg_MOV(ureg, out, ureg_scalar(ureg_src(src), TGSI_SWIZZLE_W));
- }
-
- 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;
- cso_hash_init(&sc->vs_hash);
- cso_hash_init(&sc->fs_hash);
-
- return sc;
-}
-
-static void
-cache_destroy(struct pipe_context *pipe,
- 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) {
- pipe->delete_fs_state(pipe, shader);
- } else if (processor == PIPE_SHADER_VERTEX) {
- pipe->delete_vs_state(pipe, shader);
- }
- iter = cso_hash_erase(hash, iter);
- }
- cso_hash_deinit(hash);
-}
-
-void
-xa_shaders_destroy(struct xa_shaders *sc)
-{
- cache_destroy(sc->r->pipe, &sc->vs_hash, PIPE_SHADER_VERTEX);
- cache_destroy(sc->r->pipe, &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;
-}
projects / mesa.git / blobdiff