#include "pipe/p_context.h"
#include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
+#include "util/u_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "pipe/p_state.h"
#include "util/u_simple_shaders.h"
#include "util/u_texture.h"
+#define INVALID_PTR ((void*)~0)
+
struct blitter_context_priv
{
struct blitter_context blitter;
float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */
/* Templates for various state objects. */
- struct pipe_depth_stencil_alpha_state template_dsa;
struct pipe_sampler_state template_sampler_state;
/* Constant state objects. */
/* Vertex shaders. */
void *vs_col; /**< Vertex shader which passes {pos, color} to the output */
- void *vs_tex; /**<Vertex shader which passes {pos, texcoord} to the output.*/
+ void *vs_tex; /**< Vertex shader which passes {pos, texcoord} to the output.*/
/* Fragment shaders. */
/* FS which outputs a color to multiple color buffers. */
void *blend_keep_color; /**< blend state with writemask of 0 */
/* Depth stencil alpha state. */
- void *dsa_write_depth_stencil[0xff]; /**< indices are stencil clear values */
+ void *dsa_write_depth_stencil;
void *dsa_write_depth_keep_stencil;
void *dsa_keep_depth_stencil;
struct blitter_context *util_blitter_create(struct pipe_context *pipe)
{
struct blitter_context_priv *ctx;
- struct pipe_blend_state blend;
- struct pipe_depth_stencil_alpha_state *dsa;
- struct pipe_rasterizer_state rs_state;
+ struct pipe_blend_state blend = { 0 };
+ struct pipe_depth_stencil_alpha_state dsa = { { 0 } };
+ struct pipe_rasterizer_state rs_state = { 0 };
struct pipe_sampler_state *sampler_state;
unsigned i;
ctx->pipe = pipe;
/* init state objects for them to be considered invalid */
+ ctx->blitter.saved_blend_state = INVALID_PTR;
+ ctx->blitter.saved_dsa_state = INVALID_PTR;
+ ctx->blitter.saved_rs_state = INVALID_PTR;
+ ctx->blitter.saved_fs = INVALID_PTR;
+ ctx->blitter.saved_vs = INVALID_PTR;
ctx->blitter.saved_fb_state.nr_cbufs = ~0;
ctx->blitter.saved_num_textures = ~0;
ctx->blitter.saved_num_sampler_states = ~0;
/* blend state objects */
- memset(&blend, 0, sizeof(blend));
ctx->blend_keep_color = pipe->create_blend_state(pipe, &blend);
- blend.colormask = PIPE_MASK_RGBA;
+ blend.rt[0].colormask = PIPE_MASK_RGBA;
ctx->blend_write_color = pipe->create_blend_state(pipe, &blend);
/* depth stencil alpha state objects */
- dsa = &ctx->template_dsa;
ctx->dsa_keep_depth_stencil =
- pipe->create_depth_stencil_alpha_state(pipe, dsa);
+ pipe->create_depth_stencil_alpha_state(pipe, &dsa);
- dsa->depth.enabled = 1;
- dsa->depth.writemask = 1;
- dsa->depth.func = PIPE_FUNC_ALWAYS;
+ dsa.depth.enabled = 1;
+ dsa.depth.writemask = 1;
+ dsa.depth.func = PIPE_FUNC_ALWAYS;
ctx->dsa_write_depth_keep_stencil =
- pipe->create_depth_stencil_alpha_state(pipe, dsa);
-
- dsa->stencil[0].enabled = 1;
- dsa->stencil[0].func = PIPE_FUNC_ALWAYS;
- dsa->stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
- dsa->stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
- dsa->stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
- dsa->stencil[0].valuemask = 0xff;
- dsa->stencil[0].writemask = 0xff;
+ pipe->create_depth_stencil_alpha_state(pipe, &dsa);
+
+ dsa.stencil[0].enabled = 1;
+ dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
+ dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
+ dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
+ dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
+ dsa.stencil[0].valuemask = 0xff;
+ 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. */
rs_state.cull_mode = PIPE_WINDING_NONE;
rs_state.bypass_vs_clip_and_viewport = 1;
rs_state.gl_rasterization_rules = 1;
+ rs_state.flatshade = 1;
ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
/* fragment shaders are created on-demand */
pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
pipe->delete_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
-
- for (i = 0; i < 0xff; i++)
- if (ctx->dsa_write_depth_stencil[i])
- pipe->delete_depth_stencil_alpha_state(pipe,
- ctx->dsa_write_depth_stencil[i]);
+ pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
pipe->delete_rasterizer_state(pipe, ctx->rs_state);
pipe->delete_vs_state(pipe, ctx->vs_col);
static void blitter_check_saved_CSOs(struct blitter_context_priv *ctx)
{
/* make sure these CSOs have been saved */
- assert(ctx->blitter.saved_blend_state &&
- ctx->blitter.saved_dsa_state &&
- ctx->blitter.saved_rs_state &&
- ctx->blitter.saved_fs &&
- ctx->blitter.saved_vs);
+ assert(ctx->blitter.saved_blend_state != INVALID_PTR &&
+ ctx->blitter.saved_dsa_state != INVALID_PTR &&
+ ctx->blitter.saved_rs_state != INVALID_PTR &&
+ ctx->blitter.saved_fs != INVALID_PTR &&
+ ctx->blitter.saved_vs != INVALID_PTR);
}
static void blitter_restore_CSOs(struct blitter_context_priv *ctx)
pipe->bind_fs_state(pipe, ctx->blitter.saved_fs);
pipe->bind_vs_state(pipe, ctx->blitter.saved_vs);
- ctx->blitter.saved_blend_state = 0;
- ctx->blitter.saved_dsa_state = 0;
- ctx->blitter.saved_rs_state = 0;
- ctx->blitter.saved_fs = 0;
- ctx->blitter.saved_vs = 0;
+ ctx->blitter.saved_blend_state = INVALID_PTR;
+ ctx->blitter.saved_dsa_state = INVALID_PTR;
+ ctx->blitter.saved_rs_state = INVALID_PTR;
+ ctx->blitter.saved_fs = INVALID_PTR;
+ ctx->blitter.saved_vs = INVALID_PTR;
+
+ pipe->set_stencil_ref(pipe, &ctx->blitter.saved_stencil_ref);
/* restore the state objects which are required to be saved before copy/fill
*/
float t1 = y1 / (float)surf->height;
float s2 = x2 / (float)surf->width;
float t2 = y2 / (float)surf->height;
- const float st[4][2] = {
- {s1, t1}, {s2, t1}, {s2, t2}, {s1, t2}
- };
+ float st[4][2];
+
+ st[0][0] = s1;
+ st[0][1] = t1;
+ st[1][0] = s2;
+ st[1][1] = t1;
+ st[2][0] = s2;
+ st[2][1] = t2;
+ st[3][0] = s1;
+ st[3][1] = t2;
util_map_texcoords2d_onto_cubemap(surf->face,
/* pointer, stride in floats */
2); /* attribs/vert */
}
-static INLINE
-void *blitter_get_state_write_depth_stencil(
- struct blitter_context_priv *ctx,
- unsigned stencil)
-{
- struct pipe_context *pipe = ctx->pipe;
-
- stencil &= 0xff;
-
- /* Create the DSA state on-demand. */
- if (!ctx->dsa_write_depth_stencil[stencil]) {
- ctx->template_dsa.stencil[0].ref_value = stencil;
-
- ctx->dsa_write_depth_stencil[stencil] =
- pipe->create_depth_stencil_alpha_state(pipe, &ctx->template_dsa);
- }
-
- return ctx->dsa_write_depth_stencil[stencil];
-}
-
static INLINE
void **blitter_get_sampler_state(struct blitter_context_priv *ctx,
int miplevel)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->pipe;
+ struct pipe_stencil_ref sr = { { 0 } };
assert(num_cbufs <= PIPE_MAX_COLOR_BUFS);
else
pipe->bind_blend_state(pipe, ctx->blend_keep_color);
- if (clear_buffers & PIPE_CLEAR_DEPTHSTENCIL)
- pipe->bind_depth_stencil_alpha_state(pipe,
- blitter_get_state_write_depth_stencil(ctx, stencil));
+ if (clear_buffers & 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
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
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)
+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;
+ }
+}
+
+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)
{
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;
- 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;
-
- 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_TEXTURE_USAGE_DEPTH_STENCIL :
- PIPE_TEXTURE_USAGE_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->texture->target,
- dst_tex_usage, 0) ||
- !screen->is_format_supported(screen, src->format, src->texture->target,
- PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
- util_surface_copy(pipe, FALSE, dst, dstx, dsty, src, srcx, srcy,
- width, height);
- return;
- }
- /* check whether the states are properly saved */
- blitter_check_saved_CSOs(ctx);
assert(blitter->saved_fb_state.nr_cbufs != ~0);
assert(blitter->saved_num_textures != ~0);
assert(blitter->saved_num_sampler_states != ~0);
blitter_set_rectangle(ctx, dstx, dsty, dstx+width, dsty+height, 0);
blitter_draw_quad(ctx);
+
+}
+
+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)
+{
+ struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
+ struct pipe_context *pipe = ctx->pipe;
+ struct pipe_screen *screen = pipe->screen;
+
+ struct pipe_texture texTemp;
+ struct pipe_texture *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;
+
+ texture = screen->texture_create(screen, &texTemp);
+ if (!texture)
+ return;
+
+ tex_surf = screen->get_tex_surface(screen, texture, 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_READ |
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+
+ /* 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_texture_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;
+
+ 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_TEXTURE_USAGE_DEPTH_STENCIL :
+ PIPE_TEXTURE_USAGE_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->texture->target,
+ dst_tex_usage, 0) ||
+ !screen->is_format_supported(screen, src->format, src->texture->target,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
+ util_surface_copy(pipe, FALSE, dst, dstx, dsty, src, srcx, srcy,
+ width, height);
+ return;
+ }
+
+ /* 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_restore_CSOs(ctx);
}