--- /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