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-rw-r--r--src/gallium/state_trackers/xorg/xorg_renderer.c890
1 files changed, 890 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_renderer.c b/src/gallium/state_trackers/xorg/xorg_renderer.c
new file mode 100644
index 0000000000..a740e862b7
--- /dev/null
+++ b/src/gallium/state_trackers/xorg/xorg_renderer.c
@@ -0,0 +1,890 @@
+#include "xorg_exa.h"
+#include "xorg_renderer.h"
+
+#include "xorg_exa_tgsi.h"
+
+#include "cso_cache/cso_context.h"
+#include "util/u_draw_quad.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "util/u_rect.h"
+
+#include "pipe/p_inlines.h"
+
+#include <math.h>
+
+enum AxisOrientation {
+ Y0_BOTTOM,
+ Y0_TOP
+};
+
+#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y)))
+#define floatIsZero(x) (floatsEqual((x) + 1, 1))
+
+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 void
+renderer_init_state(struct xorg_renderer *r)
+{
+ struct pipe_depth_stencil_alpha_state dsa;
+
+ /* set common initial clip state */
+ memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
+ cso_set_depth_stencil_alpha(r->cso, &dsa);
+}
+
+
+static INLINE void
+setup_vertex0(float vertex[2][4], float x, float y,
+ float color[4])
+{
+ vertex[0][0] = x;
+ vertex[0][1] = y;
+ vertex[0][2] = 0.f; /*z*/
+ vertex[0][3] = 1.f; /*w*/
+
+ vertex[1][0] = color[0]; /*r*/
+ vertex[1][1] = color[1]; /*g*/
+ vertex[1][2] = color[2]; /*b*/
+ vertex[1][3] = color[3]; /*a*/
+}
+
+static INLINE void
+setup_vertex1(float vertex[2][4], float x, float y, float s, float t)
+{
+ vertex[0][0] = x;
+ vertex[0][1] = y;
+ vertex[0][2] = 0.f; /*z*/
+ vertex[0][3] = 1.f; /*w*/
+
+ vertex[1][0] = s; /*s*/
+ vertex[1][1] = t; /*t*/
+ vertex[1][2] = 0.f; /*r*/
+ vertex[1][3] = 1.f; /*q*/
+}
+
+static struct pipe_buffer *
+setup_vertex_data1(struct xorg_renderer *r,
+ float srcX, float srcY, float dstX, float dstY,
+ float width, float height,
+ struct pipe_texture *src, float *src_matrix)
+{
+ float s0, t0, s1, t1;
+ float pt0[2], pt1[2];
+
+ pt0[0] = srcX;
+ pt0[1] = srcY;
+ pt1[0] = (srcX + width);
+ pt1[1] = (srcY + height);
+
+ if (src_matrix) {
+ map_point(src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]);
+ map_point(src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]);
+ }
+
+ s0 = pt0[0] / src->width[0];
+ s1 = pt1[0] / src->width[0];
+ t0 = pt0[1] / src->height[0];
+ t1 = pt1[1] / src->height[0];
+
+ /* 1st vertex */
+ setup_vertex1(r->vertices2[0], dstX, dstY, s0, t0);
+ /* 2nd vertex */
+ setup_vertex1(r->vertices2[1], dstX + width, dstY, s1, t0);
+ /* 3rd vertex */
+ setup_vertex1(r->vertices2[2], dstX + width, dstY + height, s1, t1);
+ /* 4th vertex */
+ setup_vertex1(r->vertices2[3], dstX, dstY + height, s0, t1);
+
+ return pipe_user_buffer_create(r->pipe->screen,
+ r->vertices2,
+ sizeof(r->vertices2));
+}
+
+static struct pipe_buffer *
+setup_vertex_data_tex(struct xorg_renderer *r,
+ float x0, float y0, float x1, float y1,
+ float s0, float t0, float s1, float t1,
+ float z)
+{
+ /* 1st vertex */
+ setup_vertex1(r->vertices2[0], x0, y0, s0, t0);
+ /* 2nd vertex */
+ setup_vertex1(r->vertices2[1], x1, y0, s1, t0);
+ /* 3rd vertex */
+ setup_vertex1(r->vertices2[2], x1, y1, s1, t1);
+ /* 4th vertex */
+ setup_vertex1(r->vertices2[3], x0, y1, s0, t1);
+
+ return pipe_user_buffer_create(r->pipe->screen,
+ r->vertices2,
+ sizeof(r->vertices2));
+}
+
+static INLINE void
+setup_vertex2(float vertex[3][4], float x, float y,
+ float s0, float t0, float s1, float t1)
+{
+ vertex[0][0] = x;
+ vertex[0][1] = y;
+ vertex[0][2] = 0.f; /*z*/
+ vertex[0][3] = 1.f; /*w*/
+
+ vertex[1][0] = s0; /*s*/
+ vertex[1][1] = t0; /*t*/
+ vertex[1][2] = 0.f; /*r*/
+ vertex[1][3] = 1.f; /*q*/
+
+ vertex[2][0] = s1; /*s*/
+ vertex[2][1] = t1; /*t*/
+ vertex[2][2] = 0.f; /*r*/
+ vertex[2][3] = 1.f; /*q*/
+}
+
+static struct pipe_buffer *
+setup_vertex_data2(struct xorg_renderer *r,
+ float srcX, float srcY, float maskX, float maskY,
+ float dstX, float dstY, float width, float height,
+ struct pipe_texture *src,
+ struct pipe_texture *mask,
+ float *src_matrix, 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(src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]);
+ map_point(src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]);
+ }
+
+ if (mask_matrix) {
+ map_point(mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]);
+ map_point(mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]);
+ }
+
+ src_s0 = spt0[0] / src->width[0];
+ src_t0 = spt0[1] / src->height[0];
+ src_s1 = spt1[0] / src->width[0];
+ src_t1 = spt1[1] / src->height[0];
+
+ mask_s0 = mpt0[0] / mask->width[0];
+ mask_t0 = mpt0[1] / mask->height[0];
+ mask_s1 = mpt1[0] / mask->width[0];
+ mask_t1 = mpt1[1] / mask->height[0];
+
+ /* 1st vertex */
+ setup_vertex2(r->vertices3[0], dstX, dstY,
+ src_s0, src_t0, mask_s0, mask_t0);
+ /* 2nd vertex */
+ setup_vertex2(r->vertices3[1], dstX + width, dstY,
+ src_s1, src_t0, mask_s1, mask_t0);
+ /* 3rd vertex */
+ setup_vertex2(r->vertices3[2], dstX + width, dstY + height,
+ src_s1, src_t1, mask_s1, mask_t1);
+ /* 4th vertex */
+ setup_vertex2(r->vertices3[3], dstX, dstY + height,
+ src_s0, src_t1, mask_s0, mask_t1);
+
+
+ return pipe_user_buffer_create(r->pipe->screen,
+ r->vertices3,
+ sizeof(r->vertices3));
+}
+
+static struct pipe_buffer *
+setup_vertex_data_yuv(struct xorg_renderer *r,
+ float srcX, float srcY,
+ float dstX, float dstY,
+ float width, float height,
+ struct pipe_texture **tex)
+{
+ float s0, t0, s1, t1;
+ float spt0[2], spt1[2];
+
+ spt0[0] = srcX;
+ spt0[1] = srcY;
+ spt1[0] = srcX + width;
+ spt1[1] = srcY + height;
+
+ s0 = spt0[0] / tex[0]->width[0];
+ t0 = spt0[1] / tex[0]->height[0];
+ s1 = spt1[0] / tex[0]->width[0];
+ t1 = spt1[1] / tex[0]->height[0];
+
+ /* 1st vertex */
+ setup_vertex1(r->vertices2[0], dstX, dstY, s0, t0);
+ /* 2nd vertex */
+ setup_vertex1(r->vertices2[1], dstX + width, dstY,
+ s1, t0);
+ /* 3rd vertex */
+ setup_vertex1(r->vertices2[2], dstX + width, dstY + height,
+ s1, t1);
+ /* 4th vertex */
+ setup_vertex1(r->vertices2[3], dstX, dstY + height,
+ s0, t1);
+
+
+ return pipe_user_buffer_create(r->pipe->screen,
+ r->vertices2,
+ sizeof(r->vertices2));
+}
+
+
+
+static void
+set_viewport(struct xorg_renderer *r, int width, int height,
+ enum AxisOrientation orientation)
+{
+ struct pipe_viewport_state viewport;
+ float y_scale = (orientation == Y0_BOTTOM) ? -2.f : 2.f;
+
+ viewport.scale[0] = width / 2.f;
+ viewport.scale[1] = height / y_scale;
+ 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;
+
+ cso_set_viewport(r->cso, &viewport);
+}
+
+
+
+struct xorg_renderer * renderer_create(struct pipe_context *pipe)
+{
+ struct xorg_renderer *renderer = CALLOC_STRUCT(xorg_renderer);
+
+ renderer->pipe = pipe;
+ renderer->cso = cso_create_context(pipe);
+ renderer->shaders = xorg_shaders_create(renderer);
+
+ renderer_init_state(renderer);
+
+ return renderer;
+}
+
+void renderer_destroy(struct xorg_renderer *r)
+{
+ struct pipe_constant_buffer *vsbuf = &r->vs_const_buffer;
+ struct pipe_constant_buffer *fsbuf = &r->fs_const_buffer;
+
+ if (vsbuf && vsbuf->buffer)
+ pipe_buffer_reference(&vsbuf->buffer, NULL);
+
+ if (fsbuf && fsbuf->buffer)
+ pipe_buffer_reference(&fsbuf->buffer, NULL);
+
+ if (r->shaders) {
+ xorg_shaders_destroy(r->shaders);
+ r->shaders = NULL;
+ }
+
+ if (r->cso) {
+ cso_release_all(r->cso);
+ cso_destroy_context(r->cso);
+ r->cso = NULL;
+ }
+}
+
+void renderer_bind_framebuffer(struct xorg_renderer *r,
+ struct exa_pixmap_priv *priv)
+{
+ unsigned i;
+ struct pipe_framebuffer_state state;
+ struct pipe_surface *surface = xorg_gpu_surface(r->pipe->screen, priv);
+ memset(&state, 0, sizeof(struct pipe_framebuffer_state));
+
+ state.width = priv->tex->width[0];
+ state.height = priv->tex->height[0];
+
+ state.nr_cbufs = 1;
+ state.cbufs[0] = surface;
+ for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i)
+ state.cbufs[i] = 0;
+
+ /* currently we don't use depth/stencil */
+ state.zsbuf = 0;
+
+ cso_set_framebuffer(r->cso, &state);
+
+ /* we do fire and forget for the framebuffer, this is the forget part */
+ pipe_surface_reference(&surface, NULL);
+}
+
+void renderer_bind_viewport(struct xorg_renderer *r,
+ struct exa_pixmap_priv *dst)
+{
+ int width = dst->tex->width[0];
+ int height = dst->tex->height[0];
+
+ /*debug_printf("Bind viewport (%d, %d)\n", width, height);*/
+
+ set_viewport(r, width, height, Y0_TOP);
+}
+
+void renderer_bind_rasterizer(struct xorg_renderer *r)
+{
+ struct pipe_rasterizer_state raster;
+
+ /* 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);
+}
+
+void renderer_set_constants(struct xorg_renderer *r,
+ int shader_type,
+ const float *params,
+ int param_bytes)
+{
+ struct pipe_constant_buffer *cbuf =
+ (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
+ &r->fs_const_buffer;
+
+ pipe_buffer_reference(&cbuf->buffer, NULL);
+ cbuf->buffer = pipe_buffer_create(r->pipe->screen, 16,
+ PIPE_BUFFER_USAGE_CONSTANT,
+ param_bytes);
+
+ if (cbuf->buffer) {
+ pipe_buffer_write(r->pipe->screen, cbuf->buffer,
+ 0, param_bytes, params);
+ }
+ r->pipe->set_constant_buffer(r->pipe, shader_type, 0, cbuf);
+}
+
+static void
+setup_vs_constant_buffer(struct xorg_renderer *r,
+ int width, int height)
+{
+ const int param_bytes = 8 * sizeof(float);
+ float vs_consts[8] = {
+ 2.f/width, 2.f/height, 1, 1,
+ -1, -1, 0, 0
+ };
+ renderer_set_constants(r, PIPE_SHADER_VERTEX,
+ vs_consts, param_bytes);
+}
+
+static void
+setup_fs_constant_buffer(struct xorg_renderer *r)
+{
+ const int param_bytes = 4 * sizeof(float);
+ const float fs_consts[8] = {
+ 0, 0, 0, 1,
+ };
+ renderer_set_constants(r, PIPE_SHADER_FRAGMENT,
+ fs_consts, param_bytes);
+}
+
+static INLINE void shift_rectx(float coords[4],
+ const float *bounds,
+ const float shift)
+{
+ coords[0] += shift;
+ coords[2] -= shift;
+ if (bounds) {
+ coords[2] = MIN2(coords[2], bounds[2]);
+ /* bound x/y + width/height */
+ if ((coords[0] + coords[2]) > (bounds[0] + bounds[2])) {
+ coords[2] = (bounds[0] + bounds[2]) - coords[0];
+ }
+ }
+}
+
+static INLINE void shift_recty(float coords[4],
+ const float *bounds,
+ const float shift)
+{
+ coords[1] += shift;
+ coords[3] -= shift;
+ if (bounds) {
+ coords[3] = MIN2(coords[3], bounds[3]);
+ if ((coords[1] + coords[3]) > (bounds[1] + bounds[3])) {
+ coords[3] = (bounds[1] + bounds[3]) - coords[1];
+ }
+ }
+}
+
+static INLINE void bound_rect(float coords[4],
+ const float bounds[4],
+ float shift[4])
+{
+ /* if outside the bounds */
+ if (coords[0] > (bounds[0] + bounds[2]) ||
+ coords[1] > (bounds[1] + bounds[3]) ||
+ (coords[0] + coords[2]) < bounds[0] ||
+ (coords[1] + coords[3]) < bounds[1]) {
+ coords[0] = 0.f;
+ coords[1] = 0.f;
+ coords[2] = 0.f;
+ coords[3] = 0.f;
+ shift[0] = 0.f;
+ shift[1] = 0.f;
+ return;
+ }
+
+ /* bound x */
+ if (coords[0] < bounds[0]) {
+ shift[0] = bounds[0] - coords[0];
+ coords[2] -= shift[0];
+ coords[0] = bounds[0];
+ } else
+ shift[0] = 0.f;
+
+ /* bound y */
+ if (coords[1] < bounds[1]) {
+ shift[1] = bounds[1] - coords[1];
+ coords[3] -= shift[1];
+ coords[1] = bounds[1];
+ } else
+ shift[1] = 0.f;
+
+ shift[2] = bounds[2] - coords[2];
+ shift[3] = bounds[3] - coords[3];
+ /* bound width/height */
+ coords[2] = MIN2(coords[2], bounds[2]);
+ coords[3] = MIN2(coords[3], bounds[3]);
+
+ /* bound x/y + width/height */
+ if ((coords[0] + coords[2]) > (bounds[0] + bounds[2])) {
+ coords[2] = (bounds[0] + bounds[2]) - coords[0];
+ }
+ if ((coords[1] + coords[3]) > (bounds[1] + bounds[3])) {
+ coords[3] = (bounds[1] + bounds[3]) - coords[1];
+ }
+
+ /* if outside the bounds */
+ if ((coords[0] + coords[2]) < bounds[0] ||
+ (coords[1] + coords[3]) < bounds[1]) {
+ coords[0] = 0.f;
+ coords[1] = 0.f;
+ coords[2] = 0.f;
+ coords[3] = 0.f;
+ return;
+ }
+}
+
+static INLINE void sync_size(float *src_loc, float *dst_loc)
+{
+ src_loc[2] = MIN2(src_loc[2], dst_loc[2]);
+ src_loc[3] = MIN2(src_loc[3], dst_loc[3]);
+ dst_loc[2] = src_loc[2];
+ dst_loc[3] = src_loc[3];
+}
+
+static void renderer_copy_texture(struct xorg_renderer *r,
+ struct pipe_texture *src,
+ float sx1, float sy1,
+ float sx2, float sy2,
+ struct pipe_texture *dst,
+ float dx1, float dy1,
+ float dx2, float dy2)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_buffer *buf;
+ struct pipe_surface *dst_surf = screen->get_tex_surface(
+ screen, dst, 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+ struct pipe_framebuffer_state fb;
+ float s0, t0, s1, t1;
+ struct xorg_shader shader;
+
+ assert(src->width[0] != 0);
+ assert(src->height[0] != 0);
+ assert(dst->width[0] != 0);
+ assert(dst->height[0] != 0);
+
+#if 1
+ s0 = sx1 / src->width[0];
+ s1 = sx2 / src->width[0];
+ t0 = sy1 / src->height[0];
+ t1 = sy2 / src->height[0];
+#else
+ s0 = 0;
+ s1 = 1;
+ t0 = 0;
+ t1 = 1;
+#endif
+
+#if 0
+ debug_printf("copy texture src=[%f, %f, %f, %f], dst=[%f, %f, %f, %f], tex=[%f, %f, %f, %f]\n",
+ sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2,
+ s0, t0, s1, t1);
+#endif
+
+ assert(screen->is_format_supported(screen, dst_surf->format,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET,
+ 0));
+
+ /* save state (restored below) */
+ cso_save_blend(r->cso);
+ cso_save_samplers(r->cso);
+ cso_save_sampler_textures(r->cso);
+ cso_save_framebuffer(r->cso);
+ cso_save_fragment_shader(r->cso);
+ cso_save_vertex_shader(r->cso);
+
+ cso_save_viewport(r->cso);
+
+
+ /* set misc state we care about */
+ {
+ struct pipe_blend_state blend;
+ memset(&blend, 0, sizeof(blend));
+ blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+ blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
+ blend.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);
+ }
+
+ set_viewport(r, dst_surf->width, dst_surf->height, Y0_TOP);
+
+ /* texture */
+ cso_set_sampler_textures(r->cso, 1, &src);
+
+ renderer_bind_rasterizer(r);
+
+ /* shaders */
+ shader = xorg_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);
+
+ /* drawing dest */
+ memset(&fb, 0, sizeof(fb));
+ fb.width = dst_surf->width;
+ fb.height = dst_surf->height;
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = dst_surf;
+ {
+ int i;
+ for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i)
+ fb.cbufs[i] = 0;
+ }
+ cso_set_framebuffer(r->cso, &fb);
+ setup_vs_constant_buffer(r, fb.width, fb.height);
+ setup_fs_constant_buffer(r);
+
+ /* draw quad */
+ buf = setup_vertex_data_tex(r,
+ dx1, dy1,
+ dx2, dy2,
+ s0, t0, s1, t1,
+ 0.0f);
+
+ if (buf) {
+ util_draw_vertex_buffer(r->pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference(&buf, NULL);
+ }
+
+ /* restore state we changed */
+ cso_restore_blend(r->cso);
+ cso_restore_samplers(r->cso);
+ cso_restore_sampler_textures(r->cso);
+ cso_restore_framebuffer(r->cso);
+ cso_restore_vertex_shader(r->cso);
+ cso_restore_fragment_shader(r->cso);
+ cso_restore_viewport(r->cso);
+
+ pipe_surface_reference(&dst_surf, NULL);
+}
+
+static struct pipe_texture *
+create_sampler_texture(struct xorg_renderer *r,
+ struct pipe_texture *src)
+{
+ enum pipe_format format;
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_texture *pt;
+ struct pipe_texture templ;
+
+ pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+ /* the coming in texture should already have that invariance */
+ debug_assert(screen->is_format_supported(screen, src->format,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0));
+
+ format = src->format;
+
+ memset(&templ, 0, sizeof(templ));
+ templ.target = PIPE_TEXTURE_2D;
+ templ.format = format;
+ templ.last_level = 0;
+ templ.width[0] = src->width[0];
+ templ.height[0] = src->height[0];
+ templ.depth[0] = 1;
+ pf_get_block(format, &templ.block);
+ templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
+
+ pt = screen->texture_create(screen, &templ);
+
+ debug_assert(!pt || pipe_is_referenced(&pt->reference));
+
+ if (!pt)
+ return NULL;
+
+ {
+ /* copy source framebuffer surface into texture */
+ struct pipe_surface *ps_read = screen->get_tex_surface(
+ screen, src, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ);
+ struct pipe_surface *ps_tex = screen->get_tex_surface(
+ screen, pt, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE );
+ if (pipe->surface_copy) {
+ pipe->surface_copy(pipe,
+ ps_tex, /* dest */
+ 0, 0, /* destx/y */
+ ps_read,
+ 0, 0, src->width[0], src->height[0]);
+ } else {
+ util_surface_copy(pipe, FALSE,
+ ps_tex, /* dest */
+ 0, 0, /* destx/y */
+ ps_read,
+ 0, 0, src->width[0], src->height[0]);
+ }
+ pipe_surface_reference(&ps_read, NULL);
+ pipe_surface_reference(&ps_tex, NULL);
+ }
+
+ return pt;
+}
+
+
+void renderer_copy_pixmap(struct xorg_renderer *r,
+ struct exa_pixmap_priv *dst_priv, int dx, int dy,
+ struct exa_pixmap_priv *src_priv, int sx, int sy,
+ int width, int height)
+{
+ float dst_loc[4], src_loc[4];
+ float dst_bounds[4], src_bounds[4];
+ float src_shift[4], dst_shift[4], shift[4];
+ struct pipe_texture *dst = dst_priv->tex;
+ struct pipe_texture *src = src_priv->tex;
+
+ if (r->pipe->is_texture_referenced(r->pipe, src, 0, 0) &
+ PIPE_REFERENCED_FOR_WRITE)
+ r->pipe->flush(r->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+ dst_loc[0] = dx;
+ dst_loc[1] = dy;
+ dst_loc[2] = width;
+ dst_loc[3] = height;
+ dst_bounds[0] = 0.f;
+ dst_bounds[1] = 0.f;
+ dst_bounds[2] = dst->width[0];
+ dst_bounds[3] = dst->height[0];
+
+ src_loc[0] = sx;
+ src_loc[1] = sy;
+ src_loc[2] = width;
+ src_loc[3] = height;
+ src_bounds[0] = 0.f;
+ src_bounds[1] = 0.f;
+ src_bounds[2] = src->width[0];
+ src_bounds[3] = src->height[0];
+
+ bound_rect(src_loc, src_bounds, src_shift);
+ bound_rect(dst_loc, dst_bounds, dst_shift);
+ shift[0] = src_shift[0] - dst_shift[0];
+ shift[1] = src_shift[1] - dst_shift[1];
+
+ if (shift[0] < 0)
+ shift_rectx(src_loc, src_bounds, -shift[0]);
+ else
+ shift_rectx(dst_loc, dst_bounds, shift[0]);
+
+ if (shift[1] < 0)
+ shift_recty(src_loc, src_bounds, -shift[1]);
+ else
+ shift_recty(dst_loc, dst_bounds, shift[1]);
+
+ sync_size(src_loc, dst_loc);
+
+ if (src_loc[2] >= 0 && src_loc[3] >= 0 &&
+ dst_loc[2] >= 0 && dst_loc[3] >= 0) {
+ struct pipe_texture *temp_src = src;
+
+ if (src == dst)
+ temp_src = create_sampler_texture(r, src);
+
+ renderer_copy_texture(r,
+ temp_src,
+ src_loc[0],
+ src_loc[1],
+ src_loc[0] + src_loc[2],
+ src_loc[1] + src_loc[3],
+ dst,
+ dst_loc[0],
+ dst_loc[1],
+ dst_loc[0] + dst_loc[2],
+ dst_loc[1] + dst_loc[3]);
+
+ if (src == dst)
+ pipe_texture_reference(&temp_src, NULL);
+ }
+}
+
+void renderer_draw_solid_rect(struct xorg_renderer *r,
+ int x0, int y0,
+ int x1, int y1,
+ float *color)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_buffer *buf = 0;
+
+ /*
+ 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]);*/
+ /* 1st vertex */
+ setup_vertex0(r->vertices2[0], x0, y0, color);
+ /* 2nd vertex */
+ setup_vertex0(r->vertices2[1], x1, y0, color);
+ /* 3rd vertex */
+ setup_vertex0(r->vertices2[2], x1, y1, color);
+ /* 4th vertex */
+ setup_vertex0(r->vertices2[3], x0, y1, color);
+
+ buf = pipe_user_buffer_create(pipe->screen,
+ r->vertices2,
+ sizeof(r->vertices2));
+
+
+ if (buf) {
+ util_draw_vertex_buffer(pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference(&buf, NULL);
+ }
+}
+
+void renderer_draw_textures(struct xorg_renderer *r,
+ int *pos,
+ int width, int height,
+ struct pipe_texture **textures,
+ int num_textures,
+ float *src_matrix, float *mask_matrix)
+{
+ struct pipe_context *pipe = r->pipe;
+ struct pipe_buffer *buf = 0;
+
+#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(num_textures) {
+ case 1:
+ buf = setup_vertex_data1(r,
+ pos[0], pos[1], /* src */
+ pos[4], pos[5], /* dst */
+ width, height,
+ textures[0], src_matrix);
+ break;
+ case 2:
+ buf = setup_vertex_data2(r,
+ pos[0], pos[1], /* src */
+ pos[2], pos[3], /* mask */
+ pos[4], pos[5], /* dst */
+ width, height,
+ textures[0], textures[1],
+ src_matrix, mask_matrix);
+ break;
+ case 3:
+ buf = setup_vertex_data_yuv(r,
+ pos[0], pos[1],
+ pos[2], pos[3],
+ width, height,
+ textures);
+ num_textures = 1;
+ break;
+ default:
+ debug_assert(!"Unsupported number of textures");
+ break;
+ }
+
+ if (buf) {
+ int num_attribs = 1; /*pos*/
+ num_attribs += num_textures;
+
+ util_draw_vertex_buffer(pipe, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ num_attribs); /* attribs/vert */
+
+ pipe_buffer_reference(&buf, NULL);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-09 03:19:48 +0000