/**
* @file
- * Blitter utility to facilitate acceleration of the clear, surface_copy,
- * and surface_fill functions.
+ * Blitter utility to facilitate acceleration of the clear, clear_render_target, clear_depth_stencil
+ * resource_copy_region functions.
*
* @author Marek Olšák
*/
#include "util/u_blitter.h"
#include "util/u_draw_quad.h"
#include "util/u_pack_color.h"
-#include "util/u_rect.h"
#include "util/u_sampler.h"
#include "util/u_simple_shaders.h"
+#include "util/u_surface.h"
#include "util/u_texture.h"
#define INVALID_PTR ((void*)~0)
void *vs_tex; /**< Vertex shader which passes {pos, texcoord} to the output.*/
/* Fragment shaders. */
- /* FS which outputs a color to multiple color buffers. */
- void *fs_col[PIPE_MAX_COLOR_BUFS];
+ /* The shader at index i outputs color to color buffers 0,1,...,i-1. */
+ void *fs_col[PIPE_MAX_COLOR_BUFS+1];
/* FS which outputs a color from a texture,
where the index is PIPE_TEXTURE_* to be sampled. */
void *dsa_write_depth_stencil;
void *dsa_write_depth_keep_stencil;
void *dsa_keep_depth_stencil;
+ void *dsa_keep_depth_write_stencil;
void *velem_state;
dsa.stencil[0].writemask = 0xff;
ctx->dsa_write_depth_stencil =
pipe->create_depth_stencil_alpha_state(pipe, &dsa);
- /* The DSA state objects which write depth and stencil are created
- * on-demand. */
+
+
+ dsa.depth.enabled = 0;
+ dsa.depth.writemask = 0;
+ ctx->dsa_keep_depth_write_stencil =
+ pipe->create_depth_stencil_alpha_state(pipe, &dsa);
/* sampler state */
sampler_state = &ctx->template_sampler_state;
/* rasterizer state */
memset(&rs_state, 0, sizeof(rs_state));
- rs_state.front_winding = PIPE_WINDING_CW;
- rs_state.cull_mode = PIPE_WINDING_NONE;
+ rs_state.cull_face = PIPE_FACE_NONE;
rs_state.gl_rasterization_rules = 1;
rs_state.flatshade = 1;
ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
pipe->delete_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
+ pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
pipe->delete_rasterizer_state(pipe, ctx->rs_state);
pipe->delete_vs_state(pipe, ctx->vs_col);
pipe->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]);
}
- for (i = 0; i < PIPE_MAX_COLOR_BUFS && ctx->fs_col[i]; i++)
+ for (i = 0; i <= PIPE_MAX_COLOR_BUFS && ctx->fs_col[i]; i++)
if (ctx->fs_col[i])
pipe->delete_fs_state(pipe, ctx->fs_col[i]);
if (ctx->blitter.saved_num_vertex_buffers != ~0) {
pipe->set_vertex_buffers(pipe,
- ctx->blitter.saved_num_vertex_buffers,
- ctx->blitter.saved_vertex_buffers);
+ ctx->blitter.saved_num_vertex_buffers,
+ ctx->blitter.saved_vertex_buffers);
ctx->blitter.saved_num_vertex_buffers = ~0;
}
}
{
int i;
- for (i = 0; i < 4; i++) {
- ctx->vertices[i][1][0] = rgba[0];
- ctx->vertices[i][1][1] = rgba[1];
- ctx->vertices[i][1][2] = rgba[2];
- ctx->vertices[i][1][3] = rgba[3];
+ if (rgba) {
+ for (i = 0; i < 4; i++) {
+ ctx->vertices[i][1][0] = rgba[0];
+ ctx->vertices[i][1][1] = rgba[1];
+ ctx->vertices[i][1][2] = rgba[2];
+ ctx->vertices[i][1][3] = rgba[3];
+ }
+ } else {
+ for (i = 0; i < 4; i++) {
+ ctx->vertices[i][1][0] = 0;
+ ctx->vertices[i][1][1] = 0;
+ ctx->vertices[i][1][2] = 0;
+ ctx->vertices[i][1][3] = 0;
+ }
}
}
static void blitter_set_texcoords_2d(struct blitter_context_priv *ctx,
- struct pipe_surface *surf,
+ struct pipe_resource *src,
+ struct pipe_subresource subsrc,
unsigned x1, unsigned y1,
unsigned x2, unsigned y2)
{
int i;
- float s1 = x1 / (float)surf->width;
- float t1 = y1 / (float)surf->height;
- float s2 = x2 / (float)surf->width;
- float t2 = y2 / (float)surf->height;
+ float s1 = x1 / (float)u_minify(src->width0, subsrc.level);
+ float t1 = y1 / (float)u_minify(src->height0, subsrc.level);
+ float s2 = x2 / (float)u_minify(src->width0, subsrc.level);
+ float t2 = y2 / (float)u_minify(src->height0, subsrc.level);
ctx->vertices[0][1][0] = s1; /*t0.s*/
ctx->vertices[0][1][1] = t1; /*t0.t*/
}
static void blitter_set_texcoords_3d(struct blitter_context_priv *ctx,
- struct pipe_surface *surf,
+ struct pipe_resource *src,
+ struct pipe_subresource subsrc,
+ unsigned zslice,
unsigned x1, unsigned y1,
unsigned x2, unsigned y2)
{
int i;
- float depth = u_minify(surf->texture->depth0, surf->level);
- float r = surf->zslice / depth;
+ float r = zslice / (float)u_minify(src->depth0, subsrc.level);
- blitter_set_texcoords_2d(ctx, surf, x1, y1, x2, y2);
+ blitter_set_texcoords_2d(ctx, src, subsrc, x1, y1, x2, y2);
for (i = 0; i < 4; i++)
ctx->vertices[i][1][2] = r; /*r*/
}
static void blitter_set_texcoords_cube(struct blitter_context_priv *ctx,
- struct pipe_surface *surf,
+ struct pipe_resource *src,
+ struct pipe_subresource subsrc,
unsigned x1, unsigned y1,
unsigned x2, unsigned y2)
{
int i;
- float s1 = x1 / (float)surf->width;
- float t1 = y1 / (float)surf->height;
- float s2 = x2 / (float)surf->width;
- float t2 = y2 / (float)surf->height;
+ float s1 = x1 / (float)u_minify(src->width0, subsrc.level);
+ float t1 = y1 / (float)u_minify(src->height0, subsrc.level);
+ float s2 = x2 / (float)u_minify(src->width0, subsrc.level);
+ float t2 = y2 / (float)u_minify(src->height0, subsrc.level);
float st[4][2];
st[0][0] = s1;
st[3][0] = s1;
st[3][1] = t2;
- util_map_texcoords2d_onto_cubemap(surf->face,
+ util_map_texcoords2d_onto_cubemap(subsrc.face,
/* pointer, stride in floats */
&st[0][0], 2,
&ctx->vertices[0][1][0], 8);
void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs)
{
struct pipe_context *pipe = ctx->pipe;
- unsigned index = num_cbufs ? num_cbufs - 1 : 0;
assert(num_cbufs <= PIPE_MAX_COLOR_BUFS);
- if (!ctx->fs_col[index])
- ctx->fs_col[index] =
+ if (!ctx->fs_col[num_cbufs])
+ ctx->fs_col[num_cbufs] =
util_make_fragment_clonecolor_shader(pipe, num_cbufs);
- return ctx->fs_col[index];
+ return ctx->fs_col[num_cbufs];
}
+/** Convert PIPE_TEXTURE_x to TGSI_TEXTURE_x */
+static unsigned
+pipe_tex_to_tgsi_tex(unsigned pipe_tex_target)
+{
+ switch (pipe_tex_target) {
+ case PIPE_TEXTURE_1D:
+ return TGSI_TEXTURE_1D;
+ case PIPE_TEXTURE_2D:
+ return TGSI_TEXTURE_2D;
+ case PIPE_TEXTURE_3D:
+ return TGSI_TEXTURE_3D;
+ case PIPE_TEXTURE_CUBE:
+ return TGSI_TEXTURE_CUBE;
+ default:
+ assert(0 && "unexpected texture target");
+ return TGSI_TEXTURE_UNKNOWN;
+ }
+}
+
+
static INLINE
void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
unsigned tex_target)
/* Create the fragment shader on-demand. */
if (!ctx->fs_texfetch_col[tex_target]) {
- switch (tex_target) {
- case PIPE_TEXTURE_1D:
- ctx->fs_texfetch_col[PIPE_TEXTURE_1D] =
- util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_1D);
- break;
- case PIPE_TEXTURE_2D:
- ctx->fs_texfetch_col[PIPE_TEXTURE_2D] =
- util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_2D);
- break;
- case PIPE_TEXTURE_3D:
- ctx->fs_texfetch_col[PIPE_TEXTURE_3D] =
- util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_3D);
- break;
- case PIPE_TEXTURE_CUBE:
- ctx->fs_texfetch_col[PIPE_TEXTURE_CUBE] =
- util_make_fragment_tex_shader(pipe, TGSI_TEXTURE_CUBE);
- break;
- default:;
- }
+ unsigned tgsi_tex = pipe_tex_to_tgsi_tex(tex_target);
+
+ ctx->fs_texfetch_col[tex_target] =
+ util_make_fragment_tex_shader(pipe, tgsi_tex, TGSI_INTERPOLATE_LINEAR);
}
return ctx->fs_texfetch_col[tex_target];
/* Create the fragment shader on-demand. */
if (!ctx->fs_texfetch_depth[tex_target]) {
- switch (tex_target) {
- case PIPE_TEXTURE_1D:
- ctx->fs_texfetch_depth[PIPE_TEXTURE_1D] =
- util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_1D);
- break;
- case PIPE_TEXTURE_2D:
- ctx->fs_texfetch_depth[PIPE_TEXTURE_2D] =
- util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_2D);
- break;
- case PIPE_TEXTURE_3D:
- ctx->fs_texfetch_depth[PIPE_TEXTURE_3D] =
- util_make_fragment_tex_shader_writedepth(pipe, TGSI_TEXTURE_3D);
- break;
- case PIPE_TEXTURE_CUBE:
- ctx->fs_texfetch_depth[PIPE_TEXTURE_CUBE] =
- util_make_fragment_tex_shader_writedepth(pipe,TGSI_TEXTURE_CUBE);
- break;
- default:;
- }
+ unsigned tgsi_tex = pipe_tex_to_tgsi_tex(tex_target);
+
+ ctx->fs_texfetch_depth[tex_target] =
+ util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex,
+ TGSI_INTERPOLATE_LINEAR);
}
return ctx->fs_texfetch_depth[tex_target];
else
pipe->bind_blend_state(pipe, ctx->blend_keep_color);
- if (clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) {
+ if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) {
sr.ref_value[0] = stencil & 0xff;
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
pipe->set_stencil_ref(pipe, &sr);
}
+ else if (clear_buffers & PIPE_CLEAR_DEPTH) {
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil);
+ }
+ else if (clear_buffers & PIPE_CLEAR_STENCIL) {
+ sr.ref_value[0] = stencil & 0xff;
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
+ pipe->set_stencil_ref(pipe, &sr);
+ }
else
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
blitter_restore_CSOs(ctx);
}
-static boolean
-is_overlap(unsigned sx1, unsigned sx2, unsigned sy1, unsigned sy2,
- unsigned dx1, unsigned dx2, unsigned dy1, unsigned dy2)
+static
+boolean is_overlap(unsigned sx1, unsigned sx2, unsigned sy1, unsigned sy2,
+ unsigned dx1, unsigned dx2, unsigned dy1, unsigned dy2)
{
- if (sx1 >= dx2 || sx2 <= dx1 || sy1 >= dy2 || sy2 <= dy1) {
- return FALSE;
- } else {
- return TRUE;
- }
+ return sx1 < dx2 && sx2 > dx1 && sy1 < dy2 && sy2 > dy1;
}
-static void util_blitter_do_copy(struct blitter_context *blitter,
- struct pipe_surface *dst,
- unsigned dstx, unsigned dsty,
- struct pipe_surface *src,
- unsigned srcx, unsigned srcy,
- unsigned width, unsigned height,
- boolean is_depth)
+void util_blitter_copy_region(struct blitter_context *blitter,
+ struct pipe_resource *dst,
+ struct pipe_subresource subdst,
+ unsigned dstx, unsigned dsty, unsigned dstz,
+ struct pipe_resource *src,
+ struct pipe_subresource subsrc,
+ unsigned srcx, unsigned srcy, unsigned srcz,
+ unsigned width, unsigned height,
+ boolean ignore_stencil)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_surface *dstsurf;
struct pipe_framebuffer_state fb_state;
struct pipe_sampler_view viewTempl, *view;
+ unsigned bind;
+ boolean is_stencil, is_depth;
+
+ /* Give up if textures are not set. */
+ assert(dst && src);
+ if (!dst || !src)
+ return;
+
+ /* Sanity checks. */
+ if (dst == src) {
+ assert(!is_overlap(srcx, srcx + width, srcy, srcy + height,
+ dstx, dstx + width, dsty, dsty + height));
+ } else {
+ assert(dst->format == src->format);
+ }
+ assert(src->target < PIPE_MAX_TEXTURE_TYPES);
+ /* Is this a ZS format? */
+ is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0;
+ is_stencil = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 1) != 0;
+
+ if (is_depth || is_stencil)
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind = PIPE_BIND_RENDER_TARGET;
+
+ /* Check if we can sample from and render to the surfaces. */
+ /* (assuming copying a stencil buffer is not possible) */
+ if ((!ignore_stencil && is_stencil) ||
+ !screen->is_format_supported(screen, dst->format, dst->target,
+ dst->nr_samples, bind, 0) ||
+ !screen->is_format_supported(screen, src->format, src->target,
+ src->nr_samples, PIPE_BIND_SAMPLER_VIEW, 0)) {
+ util_resource_copy_region(pipe, dst, subdst, dstx, dsty, dstz,
+ src, subsrc, srcx, srcy, srcz, width, height);
+ return;
+ }
+
+ /* Get surfaces. */
+ dstsurf = screen->get_tex_surface(screen, dst,
+ subdst.face, subdst.level, dstz,
+ bind);
+
+ /* Check whether the states are properly saved. */
+ blitter_check_saved_CSOs(ctx);
assert(blitter->saved_fb_state.nr_cbufs != ~0);
assert(blitter->saved_num_sampler_views != ~0);
assert(blitter->saved_num_sampler_states != ~0);
- assert(src->texture->target < PIPE_MAX_TEXTURE_TYPES);
- /* bind CSOs */
- fb_state.width = dst->width;
- fb_state.height = dst->height;
+ /* Initialize framebuffer state. */
+ fb_state.width = dstsurf->width;
+ fb_state.height = dstsurf->height;
if (is_depth) {
pipe->bind_blend_state(pipe, ctx->blend_keep_color);
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
pipe->bind_fs_state(pipe,
- blitter_get_fs_texfetch_depth(ctx, src->texture->target));
+ blitter_get_fs_texfetch_depth(ctx, src->target));
fb_state.nr_cbufs = 0;
- fb_state.zsbuf = dst;
+ fb_state.zsbuf = dstsurf;
} else {
pipe->bind_blend_state(pipe, ctx->blend_write_color);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
pipe->bind_fs_state(pipe,
- blitter_get_fs_texfetch_col(ctx, src->texture->target));
+ blitter_get_fs_texfetch_col(ctx, src->target));
fb_state.nr_cbufs = 1;
- fb_state.cbufs[0] = dst;
+ fb_state.cbufs[0] = dstsurf;
fb_state.zsbuf = 0;
}
- u_sampler_view_default_template(&viewTempl,
- src->texture,
- src->texture->format);
- view = pipe->create_sampler_view(pipe,
- src->texture,
- &viewTempl);
+ /* Initialize sampler view. */
+ u_sampler_view_default_template(&viewTempl, src, src->format);
+ view = pipe->create_sampler_view(pipe, src, &viewTempl);
if (ctx->sampler_view) {
pipe_sampler_view_reference(&ctx->sampler_view, NULL);
}
ctx->sampler_view = view;
+ /* Set rasterizer state, shaders, and textures. */
pipe->bind_rasterizer_state(pipe, ctx->rs_state);
pipe->bind_vs_state(pipe, ctx->vs_tex);
pipe->bind_fragment_sampler_states(pipe, 1,
- blitter_get_sampler_state(ctx, src->level));
+ blitter_get_sampler_state(ctx, subsrc.level));
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
pipe->set_fragment_sampler_views(pipe, 1, &view);
pipe->set_framebuffer_state(pipe, &fb_state);
- /* set texture coordinates */
- switch (src->texture->target) {
+ /* Set texture coordinates. */
+ switch (src->target) {
case PIPE_TEXTURE_1D:
case PIPE_TEXTURE_2D:
- blitter_set_texcoords_2d(ctx, src, srcx, srcy,
- srcx+width, srcy+height);
+ blitter_set_texcoords_2d(ctx, src, subsrc,
+ srcx, srcy, srcx+width, srcy+height);
break;
case PIPE_TEXTURE_3D:
- blitter_set_texcoords_3d(ctx, src, srcx, srcy,
- srcx+width, srcy+height);
+ blitter_set_texcoords_3d(ctx, src, subsrc, srcz,
+ srcx, srcy, srcx+width, srcy+height);
break;
case PIPE_TEXTURE_CUBE:
- blitter_set_texcoords_cube(ctx, src, srcx, srcy,
- srcx+width, srcy+height);
+ blitter_set_texcoords_cube(ctx, src, subsrc,
+ srcx, srcy, srcx+width, srcy+height);
break;
default:
assert(0);
+ return;
}
- blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, dst->width, dst->height, 0);
+ blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height,
+ dstsurf->width, dstsurf->height, 0);
blitter_draw_quad(ctx);
+ blitter_restore_CSOs(ctx);
+ pipe_surface_reference(&dstsurf, NULL);
}
-static void util_blitter_overlap_copy(struct blitter_context *blitter,
- struct pipe_surface *dst,
- unsigned dstx, unsigned dsty,
- struct pipe_surface *src,
- unsigned srcx, unsigned srcy,
- unsigned width, unsigned height)
+/* Clear a region of a color surface to a constant value. */
+void util_blitter_clear_render_target(struct blitter_context *blitter,
+ struct pipe_surface *dstsurf,
+ const float *rgba,
+ unsigned dstx, unsigned dsty,
+ unsigned width, unsigned height)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
-
- struct pipe_resource texTemp;
- struct pipe_resource *texture;
- struct pipe_surface *tex_surf;
-
- /* check whether the states are properly saved */
- blitter_check_saved_CSOs(ctx);
-
- memset(&texTemp, 0, sizeof(texTemp));
- texTemp.target = PIPE_TEXTURE_2D;
- texTemp.format = dst->texture->format; /* XXX verify supported by driver! */
- texTemp.last_level = 0;
- texTemp.width0 = width;
- texTemp.height0 = height;
- texTemp.depth0 = 1;
+ struct pipe_framebuffer_state fb_state;
- texture = screen->resource_create(screen, &texTemp);
- if (!texture)
+ assert(dstsurf->texture);
+ if (!dstsurf->texture)
return;
- tex_surf = screen->get_tex_surface(screen, texture, 0, 0, 0,
- PIPE_BIND_BLIT_SOURCE |
- PIPE_BIND_BLIT_DESTINATION);
-
- /* blit from the src to the temp */
- util_blitter_do_copy(blitter, tex_surf, 0, 0,
- src, srcx, srcy,
- width, height,
- FALSE);
- util_blitter_do_copy(blitter, dst, dstx, dsty,
- tex_surf, 0, 0,
- width, height,
- FALSE);
- pipe_surface_reference(&tex_surf, NULL);
- pipe_resource_reference(&texture, NULL);
- blitter_restore_CSOs(ctx);
-}
-
-void util_blitter_copy(struct blitter_context *blitter,
- struct pipe_surface *dst,
- unsigned dstx, unsigned dsty,
- struct pipe_surface *src,
- unsigned srcx, unsigned srcy,
- unsigned width, unsigned height,
- boolean ignore_stencil)
-{
- struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
- struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
- boolean is_stencil, is_depth;
- unsigned dst_tex_usage;
-
- /* give up if textures are not set */
- assert(dst->texture && src->texture);
- if (!dst->texture || !src->texture)
- return;
+ /* check the saved state */
+ blitter_check_saved_CSOs(ctx);
+ assert(blitter->saved_fb_state.nr_cbufs != ~0);
- if (dst->texture == src->texture) {
- if (is_overlap(srcx, srcx + width, srcy, srcy + height,
- dstx, dstx + width, dsty, dsty + height)) {
- util_blitter_overlap_copy(blitter, dst, dstx, dsty, src, srcx, srcy,
- width, height);
- return;
- }
- }
-
- is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0;
- is_stencil = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 1) != 0;
- dst_tex_usage = is_depth || is_stencil ? PIPE_BIND_DEPTH_STENCIL :
- PIPE_BIND_RENDER_TARGET;
+ /* bind CSOs */
+ pipe->bind_blend_state(pipe, ctx->blend_write_color);
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
+ pipe->bind_rasterizer_state(pipe, ctx->rs_state);
+ pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1));
+ pipe->bind_vs_state(pipe, ctx->vs_col);
+ pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
- /* check if we can sample from and render to the surfaces */
- /* (assuming copying a stencil buffer is not possible) */
- if ((!ignore_stencil && is_stencil) ||
- !screen->is_format_supported(screen, dst->format, dst->texture->target,
- dst_tex_usage, 0) ||
- !screen->is_format_supported(screen, src->format, src->texture->target,
- PIPE_BIND_SAMPLER_VIEW, 0)) {
- util_surface_copy(pipe, FALSE, dst, dstx, dsty, src, srcx, srcy,
- width, height);
- return;
- }
+ /* set a framebuffer state */
+ fb_state.width = dstsurf->width;
+ fb_state.height = dstsurf->height;
+ fb_state.nr_cbufs = 1;
+ fb_state.cbufs[0] = dstsurf;
+ fb_state.zsbuf = 0;
+ pipe->set_framebuffer_state(pipe, &fb_state);
- /* check whether the states are properly saved */
- blitter_check_saved_CSOs(ctx);
- util_blitter_do_copy(blitter,
- dst, dstx, dsty,
- src, srcx, srcy,
- width, height, is_depth);
+ blitter_set_clear_color(ctx, rgba);
+ blitter_set_rectangle(ctx, 0, 0, width, height, dstsurf->width, dstsurf->height, 0);
+ blitter_draw_quad(ctx);
blitter_restore_CSOs(ctx);
}
-void util_blitter_fill(struct blitter_context *blitter,
- struct pipe_surface *dst,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height,
- unsigned value)
+/* Clear a region of a depth stencil surface. */
+void util_blitter_clear_depth_stencil(struct blitter_context *blitter,
+ struct pipe_surface *dstsurf,
+ unsigned clear_flags,
+ double depth,
+ unsigned stencil,
+ unsigned dstx, unsigned dsty,
+ unsigned width, unsigned height)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
struct pipe_framebuffer_state fb_state;
- float rgba[4];
- ubyte ub_rgba[4] = {0};
- union util_color color;
- int i;
-
- assert(dst->texture);
- if (!dst->texture)
- return;
+ struct pipe_stencil_ref sr = { { 0 } };
- /* check if we can render to the surface */
- if (util_format_is_depth_or_stencil(dst->format) || /* unlikely, but you never know */
- !screen->is_format_supported(screen, dst->format, dst->texture->target,
- PIPE_BIND_RENDER_TARGET, 0)) {
- util_surface_fill(pipe, dst, dstx, dsty, width, height, value);
+ assert(dstsurf->texture);
+ if (!dstsurf->texture)
return;
- }
-
- /* unpack the color */
- color.ui = value;
- util_unpack_color_ub(dst->format, &color,
- ub_rgba, ub_rgba+1, ub_rgba+2, ub_rgba+3);
- for (i = 0; i < 4; i++)
- rgba[i] = ubyte_to_float(ub_rgba[i]);
/* check the saved state */
blitter_check_saved_CSOs(ctx);
assert(blitter->saved_fb_state.nr_cbufs != ~0);
/* bind CSOs */
- pipe->bind_blend_state(pipe, ctx->blend_write_color);
- pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
+ pipe->bind_blend_state(pipe, ctx->blend_keep_color);
+ if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) {
+ sr.ref_value[0] = stencil & 0xff;
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
+ pipe->set_stencil_ref(pipe, &sr);
+ }
+ else if (clear_flags & PIPE_CLEAR_DEPTH) {
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil);
+ }
+ else if (clear_flags & PIPE_CLEAR_STENCIL) {
+ sr.ref_value[0] = stencil & 0xff;
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
+ pipe->set_stencil_ref(pipe, &sr);
+ }
+ else
+ /* hmm that should be illegal probably, or make it a no-op somewhere */
+ pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
+
pipe->bind_rasterizer_state(pipe, ctx->rs_state);
- pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1));
+ pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0));
pipe->bind_vs_state(pipe, ctx->vs_col);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
/* set a framebuffer state */
- fb_state.width = dst->width;
- fb_state.height = dst->height;
- fb_state.nr_cbufs = 1;
- fb_state.cbufs[0] = dst;
- fb_state.zsbuf = 0;
+ fb_state.width = dstsurf->width;
+ fb_state.height = dstsurf->height;
+ fb_state.nr_cbufs = 0;
+ fb_state.cbufs[0] = 0;
+ fb_state.zsbuf = dstsurf;
pipe->set_framebuffer_state(pipe, &fb_state);
- blitter_set_clear_color(ctx, rgba);
- blitter_set_rectangle(ctx, 0, 0, width, height, dst->width, dst->height, 0);
+ blitter_set_rectangle(ctx, 0, 0, width, height, dstsurf->width, dstsurf->height, depth);
blitter_draw_quad(ctx);
blitter_restore_CSOs(ctx);
}
projects / mesa.git / blobdiff