st/xorg: implement pipelines surface/texture copies

This commit is contained in:
Zack Rusin 2009-09-09 17:14:21 -04:00
parent 57d0934bc5
commit feb74e7753
2 changed files with 331 additions and 9 deletions

View File

@ -4,6 +4,7 @@
#include "cso_cache/cso_context.h"
#include "util/u_draw_quad.h"
#include "util/u_math.h"
#include "pipe/p_inlines.h"
@ -215,6 +216,33 @@ setup_vertex_data1(struct exa_context *ctx,
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,
@ -309,10 +337,6 @@ boolean xorg_composite_accelerated(int op,
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
@ -699,11 +723,297 @@ void xorg_solid(struct exa_context *exa,
}
}
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,
int width, int height)
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_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]);
}
}

View File

@ -82,6 +82,16 @@ exa_get_pipe_format(int depth, enum pipe_format *format, int *bbp)
}
}
static void
xorg_exa_init_state(struct exa_context *exa)
{
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(exa->cso, &dsa);
}
static void
xorg_exa_common_done(struct exa_context *exa)
{
@ -723,6 +733,8 @@ xorg_exa_init(ScrnInfoPtr pScrn)
exa->cso = cso_create_context(exa->ctx);
exa->shaders = xorg_shaders_create(exa);
xorg_exa_init_state(exa);
return (void *)exa;
out_err: