#include "pipe/p_context.h"
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
#include "util/u_blit.h"
#include "util/u_draw_quad.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_simple_shaders.h"
+#include "util/u_surface.h"
#include "cso_cache/cso_context.h"
struct pipe_sampler_state sampler;
struct pipe_viewport_state viewport;
- struct pipe_shader_state vert_shader;
- struct pipe_shader_state frag_shader;
void *vs;
- void *fs;
+ void *fs[TGSI_WRITEMASK_XYZW + 1];
struct pipe_buffer *vbuf; /**< quad vertices */
+ unsigned vbuf_slot;
+
float vertices[4][2][4]; /**< vertex/texcoords for quad */
};
/* disabled blending/masking */
memset(&ctx->blend, 0, sizeof(ctx->blend));
- ctx->blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- ctx->blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- ctx->blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- ctx->blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
ctx->blend.colormask = PIPE_MASK_RGBA;
/* no-op depth/stencil/alpha */
memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
ctx->rasterizer.front_winding = PIPE_WINDING_CW;
ctx->rasterizer.cull_mode = PIPE_WINDING_NONE;
- ctx->rasterizer.bypass_clipping = 1;
- /*ctx->rasterizer.bypass_vs = 1;*/
+ ctx->rasterizer.bypass_vs_clip_and_viewport = 1;
+ ctx->rasterizer.gl_rasterization_rules = 1;
/* samplers */
memset(&ctx->sampler, 0, sizeof(ctx->sampler));
ctx->sampler.mag_img_filter = 0; /* set later */
ctx->sampler.normalized_coords = 1;
- /* viewport (identity, we setup vertices in wincoords) */
- ctx->viewport.scale[0] = 1.0;
- ctx->viewport.scale[1] = 1.0;
- ctx->viewport.scale[2] = 1.0;
- ctx->viewport.scale[3] = 1.0;
- ctx->viewport.translate[0] = 0.0;
- ctx->viewport.translate[1] = 0.0;
- ctx->viewport.translate[2] = 0.0;
- ctx->viewport.translate[3] = 0.0;
-
- /* vertex shader */
+
+ /* vertex shader - still required to provide the linkage between
+ * fragment shader input semantics and vertex_element/buffers.
+ */
{
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
TGSI_SEMANTIC_GENERIC };
const uint semantic_indexes[] = { 0, 0 };
ctx->vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
- semantic_indexes,
- &ctx->vert_shader);
+ semantic_indexes);
}
/* fragment shader */
- ctx->fs = util_make_fragment_tex_shader(pipe, &ctx->frag_shader);
-
- ctx->vbuf = pipe_buffer_create(pipe->screen,
- 32,
- PIPE_BUFFER_USAGE_VERTEX,
- sizeof(ctx->vertices));
- if (!ctx->vbuf) {
- FREE(ctx);
- ctx->pipe->delete_fs_state(ctx->pipe, ctx->fs);
- ctx->pipe->delete_vs_state(ctx->pipe, ctx->vs);
- return NULL;
- }
+ ctx->fs[TGSI_WRITEMASK_XYZW] = util_make_fragment_tex_shader(pipe);
+ ctx->vbuf = NULL;
/* init vertex data that doesn't change */
for (i = 0; i < 4; i++) {
util_destroy_blit(struct blit_state *ctx)
{
struct pipe_context *pipe = ctx->pipe;
+ unsigned i;
pipe->delete_vs_state(pipe, ctx->vs);
- pipe->delete_fs_state(pipe, ctx->fs);
- FREE((void*) ctx->vert_shader.tokens);
- FREE((void*) ctx->frag_shader.tokens);
+ for (i = 0; i < Elements(ctx->fs); i++)
+ if (ctx->fs[i])
+ pipe->delete_fs_state(pipe, ctx->fs[i]);
- pipe_buffer_reference(pipe->screen, &ctx->vbuf, NULL);
+ pipe_buffer_reference(&ctx->vbuf, NULL);
FREE(ctx);
}
+/**
+ * Get offset of next free slot in vertex buffer for quad vertices.
+ */
+static unsigned
+get_next_slot( struct blit_state *ctx )
+{
+ const unsigned max_slots = 4096 / sizeof ctx->vertices;
+
+ if (ctx->vbuf_slot >= max_slots)
+ util_blit_flush( ctx );
+
+ if (!ctx->vbuf) {
+ ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
+ 32,
+ PIPE_BUFFER_USAGE_VERTEX,
+ max_slots * sizeof ctx->vertices);
+ }
+
+ return ctx->vbuf_slot++ * sizeof ctx->vertices;
+}
+
+
/**
* Setup vertex data for the textured quad we'll draw.
* Note: y=0=top
*/
-static void
+static unsigned
setup_vertex_data(struct blit_state *ctx,
float x0, float y0, float x1, float y1, float z)
{
- void *buf;
+ unsigned offset;
ctx->vertices[0][0][0] = x0;
ctx->vertices[0][0][1] = y0;
ctx->vertices[3][1][0] = 0.0f;
ctx->vertices[3][1][1] = 1.0f;
- buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
+ offset = get_next_slot( ctx );
- memcpy(buf, ctx->vertices, sizeof(ctx->vertices));
+ pipe_buffer_write(ctx->pipe->screen, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
- pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+ return offset;
}
* Setup vertex data for the textured quad we'll draw.
* Note: y=0=top
*/
-static void
+static unsigned
setup_vertex_data_tex(struct blit_state *ctx,
float x0, float y0, float x1, float y1,
float s0, float t0, float s1, float t1,
float z)
{
- void *buf;
+ unsigned offset;
ctx->vertices[0][0][0] = x0;
ctx->vertices[0][0][1] = y0;
ctx->vertices[3][1][0] = s0;
ctx->vertices[3][1][1] = t1;
- buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
+ offset = get_next_slot( ctx );
- memcpy(buf, ctx->vertices, sizeof(ctx->vertices));
+ pipe_buffer_write(ctx->pipe->screen, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
- pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+ return offset;
}
+
+
+/**
+ * \return TRUE if two regions overlap, FALSE otherwise
+ */
+static boolean
+regions_overlap(int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1)
+{
+ if (MAX2(srcX0, srcX1) < MIN2(dstX0, dstX1))
+ return FALSE; /* src completely left of dst */
+
+ if (MAX2(dstX0, dstX1) < MIN2(srcX0, srcX1))
+ return FALSE; /* dst completely left of src */
+
+ if (MAX2(srcY0, srcY1) < MIN2(dstY0, dstY1))
+ return FALSE; /* src completely above dst */
+
+ if (MAX2(dstY0, dstY1) < MIN2(srcY0, srcY1))
+ return FALSE; /* dst completely above src */
+
+ return TRUE; /* some overlap */
+}
+
+
/**
* Copy pixel block from src surface to dst surface.
* Overlapping regions are acceptable.
+ * Flipping and stretching are supported.
+ * XXX what about clipping???
* XXX need some control over blitting Z and/or stencil.
*/
void
-util_blit_pixels(struct blit_state *ctx,
- struct pipe_surface *src,
- int srcX0, int srcY0,
- int srcX1, int srcY1,
- struct pipe_surface *dst,
- int dstX0, int dstY0,
- int dstX1, int dstY1,
- float z, uint filter)
+util_blit_pixels_writemask(struct blit_state *ctx,
+ struct pipe_surface *src,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, uint filter,
+ uint writemask)
{
struct pipe_context *pipe = ctx->pipe;
struct pipe_screen *screen = pipe->screen;
const int srcH = abs(srcY1 - srcY0);
const int srcLeft = MIN2(srcX0, srcX1);
const int srcTop = MIN2(srcY0, srcY1);
+ unsigned offset;
+ boolean overlap;
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
+ assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0));
+ assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
+
+ /* do the regions overlap? */
+ overlap = util_same_surface(src, dst) &&
+ regions_overlap(srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1);
+
+ /*
+ * Check for simple case: no format conversion, no flipping, no stretching,
+ * no overlapping.
+ * Filter mode should not matter since there's no stretching.
+ */
+ if (dst->format == src->format &&
+ srcX0 < srcX1 &&
+ dstX0 < dstX1 &&
+ srcY0 < srcY1 &&
+ dstY0 < dstY1 &&
+ (dstX1 - dstX0) == (srcX1 - srcX0) &&
+ (dstY1 - dstY0) == (srcY1 - srcY0) &&
+ !overlap) {
+ pipe->surface_copy(pipe,
+ dst, dstX0, dstY0, /* dest */
+ src, srcX0, srcY0, /* src */
+ srcW, srcH); /* size */
+ return;
+ }
+
if (srcLeft != srcX0) {
/* left-right flip */
int tmp = dstX0;
dstY1 = tmp;
}
- assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE_2D,
- PIPE_TEXTURE_USAGE_SAMPLER, 0));
- assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
- PIPE_TEXTURE_USAGE_SAMPLER, 0));
-
- if(dst->format == src->format && (dstX1 - dstX0) == srcW && (dstY1 - dstY0) == srcH) {
- /* FIXME: this will most surely fail for overlapping rectangles */
- pipe->surface_copy(pipe, FALSE,
- dst, dstX0, dstY0, /* dest */
- src, srcX0, srcY0, /* src */
- srcW, srcH); /* size */
- return;
- }
-
assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
texTemp.width[0] = srcW;
texTemp.height[0] = srcH;
texTemp.depth[0] = 1;
- texTemp.compressed = 0;
pf_get_block(src->format, &texTemp.block);
tex = screen->texture_create(screen, &texTemp);
PIPE_BUFFER_USAGE_GPU_WRITE);
/* load temp texture */
- pipe->surface_copy(pipe, FALSE,
+ pipe->surface_copy(pipe,
texSurf, 0, 0, /* dest */
src, srcLeft, srcTop, /* src */
srcW, srcH); /* size */
/* free the surface, update the texture if necessary.
*/
- screen->tex_surface_release(screen, &texSurf);
+ pipe_surface_reference(&texSurf, NULL);
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_framebuffer(ctx->cso);
cso_save_fragment_shader(ctx->cso);
cso_save_vertex_shader(ctx->cso);
- cso_save_viewport(ctx->cso);
/* set misc state we care about */
cso_set_blend(ctx->cso, &ctx->blend);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
- cso_set_viewport(ctx->cso, &ctx->viewport);
/* sampler */
ctx->sampler.min_img_filter = filter;
/* texture */
cso_set_sampler_textures(ctx->cso, 1, &tex);
+ if (ctx->fs[writemask] == NULL)
+ ctx->fs[writemask] = util_make_fragment_tex_shader_writemask(pipe, writemask);
+
/* shaders */
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]);
cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
/* drawing dest */
memset(&fb, 0, sizeof(fb));
fb.width = dst->width;
fb.height = dst->height;
- fb.num_cbufs = 1;
+ fb.nr_cbufs = 1;
fb.cbufs[0] = dst;
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
- setup_vertex_data(ctx,
- (float) dstX0, (float) dstY0,
- (float) dstX1, (float) dstY1, z);
+ offset = setup_vertex_data(ctx,
+ (float) dstX0, (float) dstY0,
+ (float) dstX1, (float) dstY1, z);
- util_draw_vertex_buffer(ctx->pipe, ctx->vbuf,
+ util_draw_vertex_buffer(ctx->pipe, ctx->vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
cso_restore_framebuffer(ctx->cso);
cso_restore_fragment_shader(ctx->cso);
cso_restore_vertex_shader(ctx->cso);
- cso_restore_viewport(ctx->cso);
- screen->texture_release(screen, &tex);
+ pipe_texture_reference(&tex, NULL);
}
+
+void
+util_blit_pixels(struct blit_state *ctx,
+ struct pipe_surface *src,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, uint filter )
+{
+ util_blit_pixels_writemask( ctx, src,
+ srcX0, srcY0,
+ srcX1, srcY1,
+ dst,
+ dstX0, dstY0,
+ dstX1, dstY1,
+ z, filter,
+ TGSI_WRITEMASK_XYZW );
+}
+
+
+/* Release vertex buffer at end of frame to avoid synchronous
+ * rendering.
+ */
+void util_blit_flush( struct blit_state *ctx )
+{
+ pipe_buffer_reference(&ctx->vbuf, NULL);
+ ctx->vbuf_slot = 0;
+}
+
+
+
/**
* Copy pixel block from src texture to dst surface.
* Overlapping regions are acceptable.
int dstX1, int dstY1,
float z, uint filter)
{
- struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
struct pipe_framebuffer_state fb;
float s0, t0, s1, t1;
+ unsigned offset;
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
t0 = srcY0 / (float)tex->height[0];
t1 = srcY1 / (float)tex->height[0];
- assert(screen->is_format_supported(screen, dst->format, PIPE_TEXTURE_2D,
- PIPE_TEXTURE_USAGE_RENDER_TARGET, 0));
+ assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET,
+ 0));
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_framebuffer(ctx->cso);
cso_save_fragment_shader(ctx->cso);
cso_save_vertex_shader(ctx->cso);
- cso_save_viewport(ctx->cso);
/* set misc state we care about */
cso_set_blend(ctx->cso, &ctx->blend);
cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil);
cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
- cso_set_viewport(ctx->cso, &ctx->viewport);
/* sampler */
ctx->sampler.min_img_filter = filter;
cso_set_sampler_textures(ctx->cso, 1, &tex);
/* shaders */
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[TGSI_WRITEMASK_XYZW]);
cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
/* drawing dest */
memset(&fb, 0, sizeof(fb));
fb.width = dst->width;
fb.height = dst->height;
- fb.num_cbufs = 1;
+ fb.nr_cbufs = 1;
fb.cbufs[0] = dst;
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
- setup_vertex_data_tex(ctx,
- (float) dstX0, (float) dstY0,
- (float) dstX1, (float) dstY1,
- s0, t0, s1, t1,
- z);
-
- util_draw_vertex_buffer(ctx->pipe, ctx->vbuf,
+ offset = setup_vertex_data_tex(ctx,
+ (float) dstX0, (float) dstY0,
+ (float) dstX1, (float) dstY1,
+ s0, t0, s1, t1,
+ z);
+
+ util_draw_vertex_buffer(ctx->pipe,
+ ctx->vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
cso_restore_framebuffer(ctx->cso);
cso_restore_fragment_shader(ctx->cso);
cso_restore_vertex_shader(ctx->cso);
- cso_restore_viewport(ctx->cso);
}
projects / mesa.git / blobdiff