fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-11 06:28:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

[g3dvl] use scissor to handle compositor dst_area

Browse source
This commit is contained in:
Christian König 2011-04-08 22:07:30 +02:00
parent 574ffb440d
commit 255033e481
2 changed files with 35 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
src/gallium/auxiliary/vl/vl_compositor.c
View file

@ -216,6 +216,7 @@ static void cleanup_shaders(struct vl_compositor *c)
static bool
init_pipe_state(struct vl_compositor *c)
{
struct pipe_rasterizer_state rast;
struct pipe_sampler_state sampler;
struct pipe_blend_state blend;
@ -263,6 +264,21 @@ init_pipe_state(struct vl_compositor *c)
blend.dither = 0;
c->blend = c->pipe->create_blend_state(c->pipe, &blend);
memset(&rast, 0, sizeof rast);
rast.flatshade = 1;
rast.front_ccw = 1;
rast.cull_face = PIPE_FACE_NONE;
rast.fill_back = PIPE_POLYGON_MODE_FILL;
rast.fill_front = PIPE_POLYGON_MODE_FILL;
rast.scissor = 1;
rast.line_width = 1;
rast.point_size_per_vertex = 1;
rast.offset_units = 1;
rast.offset_scale = 1;
rast.gl_rasterization_rules = 1;
c->rast = c->pipe->create_rasterizer_state(c->pipe, &rast);
return true;
}
@ -272,6 +288,7 @@ static void cleanup_pipe_state(struct vl_compositor *c)
c->pipe->delete_sampler_state(c->pipe, c->sampler);
c->pipe->delete_blend_state(c->pipe, c->blend);
c->pipe->delete_rasterizer_state(c->pipe, c->rast);
}
static bool
@ -371,14 +388,13 @@ gen_rect_verts(struct vertex4f *vb,
}
static void
gen_vertex_data(struct vl_compositor *c, struct pipe_video_rect *dst_rect, struct vertex2f *dst_inv_size)
gen_vertex_data(struct vl_compositor *c)
{
struct vertex4f *vb;
struct pipe_transfer *buf_transfer;
unsigned i;
assert(c);
assert(dst_rect);
vb = pipe_buffer_map(c->pipe, c->vertex_buf.buffer,
PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD | PIPE_TRANSFER_DONTBLOCK,
@ -392,10 +408,7 @@ gen_vertex_data(struct vl_compositor *c, struct pipe_video_rect *dst_rect, struc
struct pipe_sampler_view *sv = c->layers[i].sampler_views[0];
struct vertex2f src_inv_size = {1.0f / sv->texture->width0, 1.0f / sv->texture->height0};
if (&c->layers[i].fs == c->fs_video_buffer)
gen_rect_verts(vb, &c->layers[i].src_rect, &src_inv_size, dst_rect, dst_inv_size);
else
gen_rect_verts(vb, &c->layers[i].src_rect, &src_inv_size, &c->layers[i].dst_rect, &src_inv_size);
gen_rect_verts(vb, &c->layers[i].src_rect, &src_inv_size, &c->layers[i].dst_rect, &src_inv_size);
vb += 4;
}
@ -552,12 +565,11 @@ vl_compositor_render(struct pipe_video_compositor *compositor,
struct pipe_fence_handle **fence)
{
struct vl_compositor *c = (struct vl_compositor *)compositor;
struct vertex2f dst_inv_size;
struct pipe_scissor_state scissor;
void *samplers[3];
assert(compositor);
assert(dst_surface);
assert(dst_area);
c->fb_state.width = dst_surface->width;
c->fb_state.height = dst_surface->height;
@ -566,13 +578,23 @@ vl_compositor_render(struct pipe_video_compositor *compositor,
c->viewport.scale[0] = dst_surface->width;
c->viewport.scale[1] = dst_surface->height;
dst_inv_size.x = 1.0f / dst_surface->width;
dst_inv_size.y = 1.0f / dst_surface->height;
if (dst_area) {
scissor.minx = dst_area->x;
scissor.miny = dst_area->y;
scissor.maxx = dst_area->x + dst_area->w;
scissor.maxy = dst_area->y + dst_area->h;
} else {
scissor.minx = 0;
scissor.miny = 0;
scissor.maxx = dst_surface->width;
scissor.maxy = dst_surface->height;
}
samplers[0] = samplers[1] = samplers[2] = c->sampler;
gen_vertex_data(c, dst_area, &dst_inv_size);
gen_vertex_data(c);
c->pipe->set_scissor_state(c->pipe, &scissor);
c->pipe->set_framebuffer_state(c->pipe, &c->fb_state);
c->pipe->set_viewport_state(c->pipe, &c->viewport);
c->pipe->bind_fragment_sampler_states(c->pipe, 3, &samplers[0]);
@ -581,6 +603,7 @@ vl_compositor_render(struct pipe_video_compositor *compositor,
c->pipe->bind_vertex_elements_state(c->pipe, c->vertex_elems_state);
c->pipe->set_constant_buffer(c->pipe, PIPE_SHADER_FRAGMENT, 0, c->csc_matrix);
c->pipe->bind_blend_state(c->pipe, c->blend);
c->pipe->bind_rasterizer_state(c->pipe, c->rast);
draw_layers(c);

1
src/gallium/auxiliary/vl/vl_compositor.h
View file

@ -56,6 +56,7 @@ struct vl_compositor
void *sampler;
void *blend;
void *rast;
void *vertex_elems_state;
void *vs;