#include "pipe/p_debug.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
-#include "pipe/p_util.h"
-#include "pipe/p_winsys.h"
#include "pipe/p_shader_tokens.h"
-#include "util/u_draw_quad.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 "cso_cache/cso_context.h"
void *fs;
struct pipe_buffer *vbuf; /**< quad vertices */
+ unsigned vbuf_slot;
+
float vertices[4][2][4]; /**< vertex/texcoords for quad */
};
ctx->rasterizer.cull_mode = PIPE_WINDING_NONE;
ctx->rasterizer.bypass_clipping = 1;
/*ctx->rasterizer.bypass_vs = 1;*/
+ ctx->rasterizer.gl_rasterization_rules = 1;
/* samplers */
memset(&ctx->sampler, 0, sizeof(ctx->sampler));
/* fragment shader */
ctx->fs = util_make_fragment_tex_shader(pipe, &ctx->frag_shader);
-
- ctx->vbuf = pipe->winsys->buffer_create(pipe->winsys,
- 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->vbuf = NULL;
/* init vertex data that doesn't change */
for (i = 0; i < 4; i++) {
FREE((void*) ctx->vert_shader.tokens);
FREE((void*) ctx->frag_shader.tokens);
- pipe->winsys->buffer_destroy(pipe->winsys, ctx->vbuf);
+ pipe_buffer_reference(pipe->screen, &ctx->vbuf, NULL);
FREE(ctx);
}
+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 = ctx->pipe->winsys->buffer_map(ctx->pipe->winsys, ctx->vbuf,
- PIPE_BUFFER_USAGE_CPU_WRITE);
+ offset = get_next_slot( ctx );
+
+ buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+
+ memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
- memcpy(buf, ctx->vertices, sizeof(ctx->vertices));
+ pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
- ctx->pipe->winsys->buffer_unmap(ctx->pipe->winsys, ctx->vbuf);
+ return offset;
}
+/**
+ * Setup vertex data for the textured quad we'll draw.
+ * Note: y=0=top
+ */
+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[0][0][2] = z;
+ ctx->vertices[0][1][0] = s0; /*s*/
+ ctx->vertices[0][1][1] = t0; /*t*/
+
+ ctx->vertices[1][0][0] = x1;
+ ctx->vertices[1][0][1] = y0;
+ ctx->vertices[1][0][2] = z;
+ ctx->vertices[1][1][0] = s1; /*s*/
+ ctx->vertices[1][1][1] = t0; /*t*/
+
+ ctx->vertices[2][0][0] = x1;
+ ctx->vertices[2][0][1] = y1;
+ ctx->vertices[2][0][2] = z;
+ ctx->vertices[2][1][0] = s1;
+ ctx->vertices[2][1][1] = t1;
+
+ ctx->vertices[3][0][0] = x0;
+ ctx->vertices[3][0][1] = y1;
+ ctx->vertices[3][0][2] = z;
+ ctx->vertices[3][1][0] = s0;
+ ctx->vertices[3][1][1] = t1;
+
+ offset = get_next_slot( ctx );
+
+ buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+
+ memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
+
+ pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+
+ return offset;
+}
/**
* Copy pixel block from src surface to dst surface.
* Overlapping regions are acceptable.
const int srcH = abs(srcY1 - srcY0);
const int srcLeft = MIN2(srcX0, srcX1);
const int srcTop = MIN2(srcY0, srcY1);
+ unsigned offset;
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
dstY1 = tmp;
}
- assert(screen->is_format_supported(screen, src->format, PIPE_TEXTURE));
- assert(screen->is_format_supported(screen, dst->format, PIPE_SURFACE));
+ 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));
/*
* XXX for now we're always creating a temporary texture.
texTemp.height[0] = srcH;
texTemp.depth[0] = 1;
texTemp.compressed = 0;
- texTemp.cpp = pf_get_bits(src->format) / 8;
+ pf_get_block(src->format, &texTemp.block);
tex = screen->texture_create(screen, &texTemp);
if (!tex)
src, srcLeft, srcTop, /* src */
srcW, srcH); /* size */
+ /* free the surface, update the texture if necessary.
+ */
+ screen->tex_surface_release(screen, &texSurf);
+
/* save state (restored below) */
cso_save_blend(ctx->cso);
cso_save_depth_stencil_alpha(ctx->cso);
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_vertex_shader(ctx->cso);
cso_restore_viewport(ctx->cso);
- /* free the texture */
- pipe_surface_reference(&texSurf, NULL);
screen->texture_release(screen, &tex);
}
+
+/* Release vertex buffer at end of frame to avoid synchronous
+ * rendering.
+ */
+void util_blit_flush( struct blit_state *ctx )
+{
+ pipe_buffer_reference(ctx->pipe->screen, &ctx->vbuf, NULL);
+ ctx->vbuf_slot = 0;
+}
+
+
+
+/**
+ * Copy pixel block from src texture to dst surface.
+ * Overlapping regions are acceptable.
+ *
+ * XXX Should support selection of level.
+ * XXX need some control over blitting Z and/or stencil.
+ */
+void
+util_blit_pixels_tex(struct blit_state *ctx,
+ struct pipe_texture *tex,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ 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);
+
+ assert(tex->width[0] != 0);
+ assert(tex->height[0] != 0);
+
+ s0 = srcX0 / (float)tex->width[0];
+ s1 = srcX1 / (float)tex->width[0];
+ 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));
+
+ /* save state (restored below) */
+ cso_save_blend(ctx->cso);
+ cso_save_depth_stencil_alpha(ctx->cso);
+ cso_save_rasterizer(ctx->cso);
+ cso_save_samplers(ctx->cso);
+ cso_save_sampler_textures(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;
+ ctx->sampler.mag_img_filter = filter;
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+ cso_single_sampler_done(ctx->cso);
+
+ /* texture */
+ cso_set_sampler_textures(ctx->cso, 1, &tex);
+
+ /* shaders */
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs);
+ 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.nr_cbufs = 1;
+ fb.cbufs[0] = dst;
+ cso_set_framebuffer(ctx->cso, &fb);
+
+ /* draw quad */
+ 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 */
+
+ /* restore state we changed */
+ cso_restore_blend(ctx->cso);
+ cso_restore_depth_stencil_alpha(ctx->cso);
+ cso_restore_rasterizer(ctx->cso);
+ cso_restore_samplers(ctx->cso);
+ cso_restore_sampler_textures(ctx->cso);
+ cso_restore_framebuffer(ctx->cso);
+ cso_restore_fragment_shader(ctx->cso);
+ cso_restore_vertex_shader(ctx->cso);
+ cso_restore_viewport(ctx->cso);
+}