#include "cso_cache/cso_context.h"
#include "util/u_draw_quad.h"
+#include "util/u_math.h"
#include "pipe/p_inlines.h"
sizeof(vertices));
}
+static struct pipe_buffer *
+setup_vertex_data_tex(struct exa_context *ctx,
+ float x0, float y0, float x1, float y1,
+ float s0, float t0, float s1, float t1,
+ float z)
+{
+ float vertices[4][2][4];
+
+ /* 1st vertex */
+ setup_vertex1(vertices[0], x0, y0,
+ s0, t0);
+ /* 2nd vertex */
+ setup_vertex1(vertices[1], x1, y0,
+ s1, t0);
+ /* 3rd vertex */
+ setup_vertex1(vertices[2], x1, y1,
+ s1, t1);
+ /* 4th vertex */
+ setup_vertex1(vertices[3], x0, y1,
+ s0, t1);
+
+ return pipe_user_buffer_create(ctx->ctx->screen,
+ vertices,
+ sizeof(vertices));
+}
+
+
static INLINE void
setup_vertex2(float vertex[3][4], float x, float y,
static void
bind_clip_state(struct exa_context *exa)
{
- struct pipe_depth_stencil_alpha_state dsa;
-
- memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
- cso_set_depth_stencil_alpha(exa->cso, &dsa);
}
static void
}
}
+
+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 exa_context *exa,
+ 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 = exa->ctx;
+ 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 0
+ debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n",
+ sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2);
+#endif
+
+#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
+
+ 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(exa->cso);
+ cso_save_samplers(exa->cso);
+ cso_save_sampler_textures(exa->cso);
+ cso_save_framebuffer(exa->cso);
+ cso_save_fragment_shader(exa->cso);
+ cso_save_vertex_shader(exa->cso);
+
+ cso_save_viewport(exa->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(exa->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(exa->cso, 0, &sampler);
+ cso_single_sampler_done(exa->cso);
+ }
+
+ set_viewport(exa, dst_surf->width, dst_surf->height, Y0_TOP);
+
+ /* texture */
+ cso_set_sampler_textures(exa->cso, 1, &src);
+
+ /* shaders */
+ shader = xorg_shaders_get(exa->shaders,
+ VS_COMPOSITE,
+ FS_COMPOSITE);
+ cso_set_vertex_shader_handle(exa->cso, shader.vs);
+ cso_set_fragment_shader_handle(exa->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(exa->cso, &fb);
+
+ /* draw quad */
+ buf = setup_vertex_data_tex(exa,
+ dx1, dy1,
+ dx2, dy2,
+ s0, t0, s1, t1,
+ 0.0f);
+
+ if (buf) {
+ util_draw_vertex_buffer(exa->ctx, buf, 0,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ pipe_buffer_reference(&buf, NULL);
+ }
+
+ /* restore state we changed */
+ cso_restore_blend(exa->cso);
+ cso_restore_samplers(exa->cso);
+ cso_restore_sampler_textures(exa->cso);
+ cso_restore_framebuffer(exa->cso);
+ cso_restore_vertex_shader(exa->cso);
+ cso_restore_fragment_shader(exa->cso);
+ cso_restore_viewport(exa->cso);
+
+ pipe_surface_reference(&dst_surf, NULL);
+}
+
void xorg_copy_pixmap(struct exa_context *ctx,
- struct exa_pixmap_priv *dst, int dx, int dy,
- struct exa_pixmap_priv *src, int sx, int sy,
+ 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;
+
+ 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) {
+ renderer_copy_texture(ctx,
+ src,
+ src_loc[0],
+ src_loc[1] + src_loc[3],
+ src_loc[0] + src_loc[2],
+ src_loc[1],
+ dst,
+ dst_loc[0],
+ dst_loc[1] + dst_loc[3],
+ dst_loc[0] + dst_loc[2],
+ dst_loc[1]);
+ }
}
projects / mesa.git / commitdiff