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-rw-r--r--src/gallium/state_trackers/xa/xa_renderer.c626
1 files changed, 626 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xa/xa_renderer.c b/src/gallium/state_trackers/xa/xa_renderer.c
new file mode 100644
index 00000000000..559b2699da6
--- /dev/null
+++ b/src/gallium/state_trackers/xa/xa_renderer.c
@@ -0,0 +1,626 @@
+/**********************************************************
+ * 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_context.h"
+#include "xa_priv.h"
+#include <math.h>
+#include "cso_cache/cso_context.h"
+#include "util/u_inlines.h"
+#include "util/u_sampler.h"
+#include "util/u_draw_quad.h"
+
+#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y)))
+#define floatIsZero(x) (floatsEqual((x) + 1, 1))
+
+#define NUM_COMPONENTS 4
+
+void
+
+
+renderer_set_constants(struct xa_context *r,
+ int shader_type, const float *params, int param_bytes);
+
+static INLINE boolean
+is_affine(float *matrix)
+{
+ return floatIsZero(matrix[2]) && floatIsZero(matrix[5])
+ && floatsEqual(matrix[8], 1);
+}
+
+static INLINE void
+map_point(float *mat, float x, float y, float *out_x, float *out_y)
+{
+ if (!mat) {
+ *out_x = x;
+ *out_y = y;
+ return;
+ }
+
+ *out_x = mat[0] * x + mat[3] * y + mat[6];
+ *out_y = mat[1] * x + mat[4] * y + mat[7];
+ if (!is_affine(mat)) {
+ float w = 1 / (mat[2] * x + mat[5] * y + mat[8]);
+
+ *out_x *= w;
+ *out_y *= w;
+ }
+}
+
+static INLINE struct pipe_resource *
+renderer_buffer_create(struct xa_context *r)
+{
+ struct pipe_resource *buf = pipe_user_buffer_create(r->pipe->screen,
+ r->buffer,
+ sizeof(float) *
+ r->buffer_size,
+ PIPE_BIND_VERTEX_BUFFER);
+
+ r->buffer_size = 0;
+
+ return buf;
+}
+
+static INLINE void
+renderer_draw(struct xa_context *r)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_resource *buf = 0;
+ int num_verts = r->buffer_size / (r->attrs_per_vertex * NUM_COMPONENTS);
+
+ if (!r->buffer_size)
+ return;
+
+ buf = renderer_buffer_create(r);
+
+ if (buf) {
+ cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems);
+
+ util_draw_vertex_buffer(pipe, r->cso, buf, 0, PIPE_PRIM_QUADS, num_verts, /* verts */
+ r->attrs_per_vertex); /* attribs/vert */
+
+ pipe_resource_reference(&buf, NULL);
+ }
+}
+
+static INLINE void
+renderer_draw_conditional(struct xa_context *r, int next_batch)
+{
+ if (r->buffer_size + next_batch >= XA_VB_SIZE ||
+ (next_batch == 0 && r->buffer_size)) {
+ renderer_draw(r);
+ }
+}
+
+void
+renderer_init_state(struct xa_context *r)
+{
+ struct pipe_depth_stencil_alpha_state dsa;
+ struct pipe_rasterizer_state raster;
+ unsigned i;
+
+ /* set common initial clip state */
+ memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
+ cso_set_depth_stencil_alpha(r->cso, &dsa);
+
+ /* XXX: move to renderer_init_state? */
+ memset(&raster, 0, sizeof(struct pipe_rasterizer_state));
+ raster.gl_rasterization_rules = 1;
+ cso_set_rasterizer(r->cso, &raster);
+
+ /* vertex elements state */
+ memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3);
+ for (i = 0; i < 3; i++) {
+ r->velems[i].src_offset = i * 4 * sizeof(float);
+ r->velems[i].instance_divisor = 0;
+ r->velems[i].vertex_buffer_index = 0;
+ r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ }
+}
+
+static INLINE void
+add_vertex_color(struct xa_context *r, float x, float y, float color[4])
+{
+ float *vertex = r->buffer + r->buffer_size;
+
+ vertex[0] = x;
+ vertex[1] = y;
+ vertex[2] = 0.f; /*z */
+ vertex[3] = 1.f; /*w */
+
+ vertex[4] = color[0]; /*r */
+ vertex[5] = color[1]; /*g */
+ vertex[6] = color[2]; /*b */
+ vertex[7] = color[3]; /*a */
+
+ r->buffer_size += 8;
+}
+
+static INLINE void
+add_vertex_1tex(struct xa_context *r, float x, float y, float s, float t)
+{
+ float *vertex = r->buffer + r->buffer_size;
+
+ vertex[0] = x;
+ vertex[1] = y;
+ vertex[2] = 0.f; /*z */
+ vertex[3] = 1.f; /*w */
+
+ vertex[4] = s; /*s */
+ vertex[5] = t; /*t */
+ vertex[6] = 0.f; /*r */
+ vertex[7] = 1.f; /*q */
+
+ r->buffer_size += 8;
+}
+
+static INLINE void
+add_vertex_2tex(struct xa_context *r,
+ float x, float y, float s0, float t0, float s1, float t1)
+{
+ float *vertex = r->buffer + r->buffer_size;
+
+ vertex[0] = x;
+ vertex[1] = y;
+ vertex[2] = 0.f; /*z */
+ vertex[3] = 1.f; /*w */
+
+ vertex[4] = s0; /*s */
+ vertex[5] = t0; /*t */
+ vertex[6] = 0.f; /*r */
+ vertex[7] = 1.f; /*q */
+
+ vertex[8] = s1; /*s */
+ vertex[9] = t1; /*t */
+ vertex[10] = 0.f; /*r */
+ vertex[11] = 1.f; /*q */
+
+ r->buffer_size += 12;
+}
+
+static void
+add_vertex_data1(struct xa_context *r,
+ float srcX, float srcY, float dstX, float dstY,
+ float width, float height,
+ struct pipe_resource *src, const float *src_matrix)
+{
+ float s0, t0, s1, t1, s2, t2, s3, t3;
+ float pt0[2], pt1[2], pt2[2], pt3[2];
+
+ pt0[0] = srcX;
+ pt0[1] = srcY;
+ pt1[0] = (srcX + width);
+ pt1[1] = srcY;
+ pt2[0] = (srcX + width);
+ pt2[1] = (srcY + height);
+ pt3[0] = srcX;
+ pt3[1] = (srcY + height);
+
+ if (src_matrix) {
+ map_point((float *)src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]);
+ map_point((float *)src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]);
+ map_point((float *)src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]);
+ map_point((float *)src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]);
+ }
+
+ s0 = pt0[0] / src->width0;
+ s1 = pt1[0] / src->width0;
+ s2 = pt2[0] / src->width0;
+ s3 = pt3[0] / src->width0;
+ t0 = pt0[1] / src->height0;
+ t1 = pt1[1] / src->height0;
+ t2 = pt2[1] / src->height0;
+ t3 = pt3[1] / src->height0;
+
+ /* 1st vertex */
+ add_vertex_1tex(r, dstX, dstY, s0, t0);
+ /* 2nd vertex */
+ add_vertex_1tex(r, dstX + width, dstY, s1, t1);
+ /* 3rd vertex */
+ add_vertex_1tex(r, dstX + width, dstY + height, s2, t2);
+ /* 4th vertex */
+ add_vertex_1tex(r, dstX, dstY + height, s3, t3);
+}
+
+static void
+add_vertex_data2(struct xa_context *r,
+ float srcX, float srcY, float maskX, float maskY,
+ float dstX, float dstY, float width, float height,
+ struct pipe_resource *src,
+ struct pipe_resource *mask,
+ const float *src_matrix, const float *mask_matrix)
+{
+ float src_s0, src_t0, src_s1, src_t1;
+ float mask_s0, mask_t0, mask_s1, mask_t1;
+ float spt0[2], spt1[2];
+ float mpt0[2], mpt1[2];
+
+ spt0[0] = srcX;
+ spt0[1] = srcY;
+ spt1[0] = srcX + width;
+ spt1[1] = srcY + height;
+
+ mpt0[0] = maskX;
+ mpt0[1] = maskY;
+ mpt1[0] = maskX + width;
+ mpt1[1] = maskY + height;
+
+ if (src_matrix) {
+ map_point((float *)src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]);
+ map_point((float *)src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]);
+ }
+
+ if (mask_matrix) {
+ map_point((float *)mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]);
+ map_point((float *)mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]);
+ }
+
+ src_s0 = spt0[0] / src->width0;
+ src_t0 = spt0[1] / src->height0;
+ src_s1 = spt1[0] / src->width0;
+ src_t1 = spt1[1] / src->height0;
+
+ mask_s0 = mpt0[0] / mask->width0;
+ mask_t0 = mpt0[1] / mask->height0;
+ mask_s1 = mpt1[0] / mask->width0;
+ mask_t1 = mpt1[1] / mask->height0;
+
+ /* 1st vertex */
+ add_vertex_2tex(r, dstX, dstY,
+ src_s0, src_t0, mask_s0, mask_t0);
+ /* 2nd vertex */
+ add_vertex_2tex(r, dstX + width, dstY,
+ src_s1, src_t0, mask_s1, mask_t0);
+ /* 3rd vertex */
+ add_vertex_2tex(r, dstX + width, dstY + height,
+ src_s1, src_t1, mask_s1, mask_t1);
+ /* 4th vertex */
+ add_vertex_2tex(r, dstX, dstY + height,
+ src_s0, src_t1, mask_s0, mask_t1);
+}
+
+static struct pipe_resource *
+setup_vertex_data_yuv(struct xa_context *r,
+ float srcX,
+ float srcY,
+ float srcW,
+ float srcH,
+ float dstX,
+ float dstY,
+ float dstW, float dstH, struct xa_surface *srf[])
+{
+ float s0, t0, s1, t1;
+ float spt0[2], spt1[2];
+ struct pipe_resource *tex;
+
+ spt0[0] = srcX;
+ spt0[1] = srcY;
+ spt1[0] = srcX + srcW;
+ spt1[1] = srcY + srcH;
+
+ tex = srf[0]->tex;
+ s0 = spt0[0] / tex->width0;
+ t0 = spt0[1] / tex->height0;
+ s1 = spt1[0] / tex->width0;
+ t1 = spt1[1] / tex->height0;
+
+ /* 1st vertex */
+ add_vertex_1tex(r, dstX, dstY, s0, t0);
+ /* 2nd vertex */
+ add_vertex_1tex(r, dstX + dstW, dstY, s1, t0);
+ /* 3rd vertex */
+ add_vertex_1tex(r, dstX + dstW, dstY + dstH, s1, t1);
+ /* 4th vertex */
+ add_vertex_1tex(r, dstX, dstY + dstH, s0, t1);
+
+ return renderer_buffer_create(r);
+}
+
+/* Set up framebuffer, viewport and vertex shader constant buffer
+ * state for a particular destinaton surface. In all our rendering,
+ * these concepts are linked.
+ */
+void
+renderer_bind_destination(struct xa_context *r,
+ struct pipe_surface *surface, int width, int height)
+{
+
+ struct pipe_framebuffer_state fb;
+ struct pipe_viewport_state viewport;
+
+ /* Framebuffer uses actual surface width/height
+ */
+ memset(&fb, 0, sizeof fb);
+ fb.width = surface->width;
+ fb.height = surface->height;
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = surface;
+ fb.zsbuf = 0;
+
+ /* Viewport just touches the bit we're interested in:
+ */
+ viewport.scale[0] = width / 2.f;
+ viewport.scale[1] = height / 2.f;
+ viewport.scale[2] = 1.0;
+ viewport.scale[3] = 1.0;
+ viewport.translate[0] = width / 2.f;
+ viewport.translate[1] = height / 2.f;
+ viewport.translate[2] = 0.0;
+ viewport.translate[3] = 0.0;
+
+ /* Constant buffer set up to match viewport dimensions:
+ */
+ if (r->fb_width != width || r->fb_height != height) {
+ float vs_consts[8] = {
+ 2.f / width, 2.f / height, 1, 1,
+ -1, -1, 0, 0
+ };
+
+ r->fb_width = width;
+ r->fb_height = height;
+
+ renderer_set_constants(r, PIPE_SHADER_VERTEX,
+ vs_consts, sizeof vs_consts);
+ }
+
+ cso_set_framebuffer(r->cso, &fb);
+ cso_set_viewport(r->cso, &viewport);
+}
+
+void
+renderer_set_constants(struct xa_context *r,
+ int shader_type, const float *params, int param_bytes)
+{
+ struct pipe_resource **cbuf =
+ (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
+ &r->fs_const_buffer;
+
+ pipe_resource_reference(cbuf, NULL);
+ *cbuf = pipe_buffer_create(r->pipe->screen,
+ PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STATIC,
+ param_bytes);
+
+ if (*cbuf) {
+ pipe_buffer_write(r->pipe, *cbuf, 0, param_bytes, params);
+ }
+ r->pipe->set_constant_buffer(r->pipe, shader_type, 0, *cbuf);
+}
+
+void
+renderer_copy_prepare(struct xa_context *r,
+ struct pipe_surface *dst_surface,
+ struct pipe_resource *src_texture)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct xa_shader shader;
+
+ assert(screen->is_format_supported(screen, dst_surface->format,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_RENDER_TARGET));
+ (void)screen;
+
+ /* set misc state we care about */
+ {
+ struct pipe_blend_state blend;
+
+ memset(&blend, 0, sizeof(blend));
+ blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.rt[0].colormask = PIPE_MASK_RGBA;
+ cso_set_blend(r->cso, &blend);
+ }
+
+ /* sampler */
+ {
+ struct pipe_sampler_state sampler;
+
+ memset(&sampler, 0, sizeof(sampler));
+ sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ sampler.normalized_coords = 1;
+ cso_single_sampler(r->cso, 0, &sampler);
+ cso_single_sampler_done(r->cso);
+ }
+
+ renderer_bind_destination(r, dst_surface,
+ dst_surface->width, dst_surface->height);
+
+ /* texture/sampler view */
+ {
+ struct pipe_sampler_view templ;
+ struct pipe_sampler_view *src_view;
+
+ u_sampler_view_default_template(&templ,
+ src_texture, src_texture->format);
+ src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
+ cso_set_fragment_sampler_views(r->cso, 1, &src_view);
+ pipe_sampler_view_reference(&src_view, NULL);
+ }
+
+ /* shaders */
+ shader = xa_shaders_get(r->shaders, VS_COMPOSITE, FS_COMPOSITE);
+ cso_set_vertex_shader_handle(r->cso, shader.vs);
+ cso_set_fragment_shader_handle(r->cso, shader.fs);
+
+ r->buffer_size = 0;
+ r->attrs_per_vertex = 2;
+}
+
+void
+renderer_copy(struct xa_context *r,
+ int dx,
+ int dy,
+ int sx,
+ int sy,
+ int width, int height, float src_width, float src_height)
+{
+ float s0, t0, s1, t1;
+ float x0, y0, x1, y1;
+
+ /* XXX: could put the texcoord scaling calculation into the vertex
+ * shader.
+ */
+ s0 = sx / src_width;
+ s1 = (sx + width) / src_width;
+ t0 = sy / src_height;
+ t1 = (sy + height) / src_height;
+
+ x0 = dx;
+ x1 = dx + width;
+ y0 = dy;
+ y1 = dy + height;
+
+ /* draw quad */
+ renderer_draw_conditional(r, 4 * 8);
+ add_vertex_1tex(r, x0, y0, s0, t0);
+ add_vertex_1tex(r, x1, y0, s1, t0);
+ add_vertex_1tex(r, x1, y1, s1, t1);
+ add_vertex_1tex(r, x0, y1, s0, t1);
+}
+
+void
+renderer_draw_yuv(struct xa_context *r,
+ float src_x,
+ float src_y,
+ float src_w,
+ float src_h,
+ int dst_x,
+ int dst_y, int dst_w, int dst_h, struct xa_surface *srf[])
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_resource *buf = 0;
+
+ buf = setup_vertex_data_yuv(r,
+ src_x, src_y, src_w, src_h, dst_x, dst_y, dst_w,
+ dst_h, srf);
+
+ if (buf) {
+ const int num_attribs = 2; /*pos + tex coord */
+
+ cso_set_vertex_elements(r->cso, num_attribs, r->velems);
+
+ util_draw_vertex_buffer(pipe, r->cso, buf, 0, PIPE_PRIM_QUADS, 4, /* verts */
+ num_attribs); /* attribs/vert */
+
+ pipe_resource_reference(&buf, NULL);
+ }
+}
+
+void
+renderer_begin_solid(struct xa_context *r)
+{
+ r->buffer_size = 0;
+ r->attrs_per_vertex = 2;
+}
+
+void
+renderer_solid(struct xa_context *r,
+ int x0, int y0, int x1, int y1, float *color)
+{
+ /*
+ * debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
+ * x0, y0, x1, y1, color[0], color[1], color[2], color[3]); */
+
+ renderer_draw_conditional(r, 4 * 8);
+
+ /* 1st vertex */
+ add_vertex_color(r, x0, y0, color);
+ /* 2nd vertex */
+ add_vertex_color(r, x1, y0, color);
+ /* 3rd vertex */
+ add_vertex_color(r, x1, y1, color);
+ /* 4th vertex */
+ add_vertex_color(r, x0, y1, color);
+}
+
+void
+renderer_draw_flush(struct xa_context *r)
+{
+ renderer_draw_conditional(r, 0);
+}
+
+void
+renderer_begin_textures(struct xa_context *r)
+{
+ r->attrs_per_vertex = 1 + r->num_bound_samplers;
+ r->buffer_size = 0;
+}
+
+void
+renderer_texture(struct xa_context *r,
+ int *pos,
+ int width, int height,
+ const float *src_matrix,
+ const float *mask_matrix)
+{
+ struct pipe_sampler_view **sampler_view = r->bound_sampler_views;
+
+#if 0
+ if (src_matrix) {
+ debug_printf("src_matrix = \n");
+ debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]);
+ debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]);
+ debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]);
+ }
+ if (mask_matrix) {
+ debug_printf("mask_matrix = \n");
+ debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]);
+ debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]);
+ debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]);
+ }
+#endif
+
+ switch(r->attrs_per_vertex) {
+ case 2:
+ renderer_draw_conditional(r, 4 * 8);
+ add_vertex_data1(r,
+ pos[0], pos[1], /* src */
+ pos[4], pos[5], /* dst */
+ width, height,
+ sampler_view[0]->texture, src_matrix);
+ break;
+ case 3:
+ renderer_draw_conditional(r, 4 * 12);
+ add_vertex_data2(r,
+ pos[0], pos[1], /* src */
+ pos[2], pos[3], /* mask */
+ pos[4], pos[5], /* dst */
+ width, height,
+ sampler_view[0]->texture, sampler_view[1]->texture,
+ src_matrix, mask_matrix);
+ break;
+ default:
+ break;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 05:04:15 +0000