diff options
author | Michal Krol <michal@vmware.com> | 2009-12-12 16:48:32 +0100 |
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committer | Michal Krol <michal@vmware.com> | 2009-12-12 16:48:32 +0100 |
commit | a3eb0f718e19653a2ad8e49396c904183be456f3 (patch) | |
tree | 0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/gallium/state_trackers/xorg/xorg_renderer.c | |
parent | 491f384c3958067e6c4c994041f5d8d413b806bc (diff) | |
parent | 784cca9fa527de771754d76545970f78094b9adf (diff) |
Merge branch 'master' into glsl-pp-rework-2
Conflicts:
progs/perf/drawoverhead.c
progs/perf/teximage.c
progs/perf/vbo.c
progs/perf/vertexrate.c
src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_renderer.c')
-rw-r--r-- | src/gallium/state_trackers/xorg/xorg_renderer.c | 698 |
1 files changed, 698 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_renderer.c b/src/gallium/state_trackers/xorg/xorg_renderer.c new file mode 100644 index 0000000000..248d658ac2 --- /dev/null +++ b/src/gallium/state_trackers/xorg/xorg_renderer.c @@ -0,0 +1,698 @@ +#include "xorg_exa.h" +#include "xorg_renderer.h" + +#include "xorg_exa_tgsi.h" + +#include "cso_cache/cso_context.h" +#include "util/u_draw_quad.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "util/u_rect.h" + +#include "pipe/p_inlines.h" + +#include <math.h> + +#define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y))) +#define floatIsZero(x) (floatsEqual((x) + 1, 1)) + +#define NUM_COMPONENTS 4 + +static INLINE boolean is_affine(float *matrix) +{ + return floatIsZero(matrix[2]) && floatIsZero(matrix[5]) + && floatsEqual(matrix[8], 1); +} +static INLINE void map_point(float *mat, float x, float y, + float *out_x, float *out_y) +{ + if (!mat) { + *out_x = x; + *out_y = y; + return; + } + + *out_x = mat[0]*x + mat[3]*y + mat[6]; + *out_y = mat[1]*x + mat[4]*y + mat[7]; + if (!is_affine(mat)) { + float w = 1/(mat[2]*x + mat[5]*y + mat[8]); + *out_x *= w; + *out_y *= w; + } +} + +static INLINE struct pipe_buffer * +renderer_buffer_create(struct xorg_renderer *r) +{ + struct pipe_buffer *buf = + pipe_user_buffer_create(r->pipe->screen, + r->buffer, + sizeof(float)* + r->buffer_size); + r->buffer_size = 0; + + return buf; +} + +static INLINE void +renderer_draw(struct xorg_renderer *r) +{ + struct pipe_context *pipe = r->pipe; + struct pipe_buffer *buf = 0; + int num_verts = r->buffer_size/(r->attrs_per_vertex * NUM_COMPONENTS); + + if (!r->buffer_size) + return; + + buf = renderer_buffer_create(r); + + + if (buf) { + util_draw_vertex_buffer(pipe, buf, 0, + PIPE_PRIM_QUADS, + num_verts, /* verts */ + r->attrs_per_vertex); /* attribs/vert */ + + pipe_buffer_reference(&buf, NULL); + } +} + +static INLINE void +renderer_draw_conditional(struct xorg_renderer *r, + int next_batch) +{ + if (r->buffer_size + next_batch >= BUF_SIZE || + (next_batch == 0 && r->buffer_size)) { + renderer_draw(r); + } +} + +static void +renderer_init_state(struct xorg_renderer *r) +{ + struct pipe_depth_stencil_alpha_state dsa; + struct pipe_rasterizer_state raster; + + /* set common initial clip state */ + memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state)); + cso_set_depth_stencil_alpha(r->cso, &dsa); + + + /* XXX: move to renderer_init_state? */ + memset(&raster, 0, sizeof(struct pipe_rasterizer_state)); + raster.gl_rasterization_rules = 1; + cso_set_rasterizer(r->cso, &raster); + +} + + +static INLINE void +add_vertex_color(struct xorg_renderer *r, + float x, float y, + float color[4]) +{ + float *vertex = r->buffer + r->buffer_size; + + vertex[0] = x; + vertex[1] = y; + vertex[2] = 0.f; /*z*/ + vertex[3] = 1.f; /*w*/ + + vertex[4] = color[0]; /*r*/ + vertex[5] = color[1]; /*g*/ + vertex[6] = color[2]; /*b*/ + vertex[7] = color[3]; /*a*/ + + r->buffer_size += 8; +} + +static INLINE void +add_vertex_1tex(struct xorg_renderer *r, + float x, float y, float s, float t) +{ + float *vertex = r->buffer + r->buffer_size; + + vertex[0] = x; + vertex[1] = y; + vertex[2] = 0.f; /*z*/ + vertex[3] = 1.f; /*w*/ + + vertex[4] = s; /*s*/ + vertex[5] = t; /*t*/ + vertex[6] = 0.f; /*r*/ + vertex[7] = 1.f; /*q*/ + + r->buffer_size += 8; +} + +static void +add_vertex_data1(struct xorg_renderer *r, + float srcX, float srcY, float dstX, float dstY, + float width, float height, + struct pipe_texture *src, float *src_matrix) +{ + float s0, t0, s1, t1, s2, t2, s3, t3; + float pt0[2], pt1[2], pt2[2], pt3[2]; + + pt0[0] = srcX; + pt0[1] = srcY; + pt1[0] = (srcX + width); + pt1[1] = srcY; + pt2[0] = (srcX + width); + pt2[1] = (srcY + height); + pt3[0] = srcX; + pt3[1] = (srcY + height); + + if (src_matrix) { + map_point(src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]); + map_point(src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]); + map_point(src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]); + map_point(src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]); + } + + s0 = pt0[0] / src->width0; + s1 = pt1[0] / src->width0; + s2 = pt2[0] / src->width0; + s3 = pt3[0] / src->width0; + t0 = pt0[1] / src->height0; + t1 = pt1[1] / src->height0; + t2 = pt2[1] / src->height0; + t3 = pt3[1] / src->height0; + + /* 1st vertex */ + add_vertex_1tex(r, dstX, dstY, s0, t0); + /* 2nd vertex */ + add_vertex_1tex(r, dstX + width, dstY, s1, t1); + /* 3rd vertex */ + add_vertex_1tex(r, dstX + width, dstY + height, s2, t2); + /* 4th vertex */ + add_vertex_1tex(r, dstX, dstY + height, s3, t3); +} + + +static INLINE void +add_vertex_2tex(struct xorg_renderer *r, + float x, float y, + float s0, float t0, float s1, float t1) +{ + float *vertex = r->buffer + r->buffer_size; + + vertex[0] = x; + vertex[1] = y; + vertex[2] = 0.f; /*z*/ + vertex[3] = 1.f; /*w*/ + + vertex[4] = s0; /*s*/ + vertex[5] = t0; /*t*/ + vertex[6] = 0.f; /*r*/ + vertex[7] = 1.f; /*q*/ + + vertex[8] = s1; /*s*/ + vertex[9] = t1; /*t*/ + vertex[10] = 0.f; /*r*/ + vertex[11] = 1.f; /*q*/ + + r->buffer_size += 12; +} + +static void +add_vertex_data2(struct xorg_renderer *r, + float srcX, float srcY, float maskX, float maskY, + float dstX, float dstY, float width, float height, + struct pipe_texture *src, + struct pipe_texture *mask, + float *src_matrix, float *mask_matrix) +{ + float src_s0, src_t0, src_s1, src_t1; + float mask_s0, mask_t0, mask_s1, mask_t1; + float spt0[2], spt1[2]; + float mpt0[2], mpt1[2]; + + spt0[0] = srcX; + spt0[1] = srcY; + spt1[0] = srcX + width; + spt1[1] = srcY + height; + + mpt0[0] = maskX; + mpt0[1] = maskY; + mpt1[0] = maskX + width; + mpt1[1] = maskY + height; + + if (src_matrix) { + map_point(src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]); + map_point(src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]); + } + + if (mask_matrix) { + map_point(mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]); + map_point(mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]); + } + + src_s0 = spt0[0] / src->width0; + src_t0 = spt0[1] / src->height0; + src_s1 = spt1[0] / src->width0; + src_t1 = spt1[1] / src->height0; + + mask_s0 = mpt0[0] / mask->width0; + mask_t0 = mpt0[1] / mask->height0; + mask_s1 = mpt1[0] / mask->width0; + mask_t1 = mpt1[1] / mask->height0; + + /* 1st vertex */ + add_vertex_2tex(r, dstX, dstY, + src_s0, src_t0, mask_s0, mask_t0); + /* 2nd vertex */ + add_vertex_2tex(r, dstX + width, dstY, + src_s1, src_t0, mask_s1, mask_t0); + /* 3rd vertex */ + add_vertex_2tex(r, dstX + width, dstY + height, + src_s1, src_t1, mask_s1, mask_t1); + /* 4th vertex */ + add_vertex_2tex(r, dstX, dstY + height, + src_s0, src_t1, mask_s0, mask_t1); +} + +static struct pipe_buffer * +setup_vertex_data_yuv(struct xorg_renderer *r, + float srcX, float srcY, float srcW, float srcH, + float dstX, float dstY, float dstW, float dstH, + struct pipe_texture **tex) +{ + float s0, t0, s1, t1; + float spt0[2], spt1[2]; + + spt0[0] = srcX; + spt0[1] = srcY; + spt1[0] = srcX + srcW; + spt1[1] = srcY + srcH; + + s0 = spt0[0] / tex[0]->width0; + t0 = spt0[1] / tex[0]->height0; + s1 = spt1[0] / tex[0]->width0; + t1 = spt1[1] / tex[0]->height0; + + /* 1st vertex */ + add_vertex_1tex(r, dstX, dstY, s0, t0); + /* 2nd vertex */ + add_vertex_1tex(r, dstX + dstW, dstY, + s1, t0); + /* 3rd vertex */ + add_vertex_1tex(r, dstX + dstW, dstY + dstH, + s1, t1); + /* 4th vertex */ + add_vertex_1tex(r, dstX, dstY + dstH, + s0, t1); + + return renderer_buffer_create(r); +} + + + +/* Set up framebuffer, viewport and vertex shader constant buffer + * state for a particular destinaton surface. In all our rendering, + * these concepts are linked. + */ +void renderer_bind_destination(struct xorg_renderer *r, + struct pipe_surface *surface, + int width, + int height ) +{ + + struct pipe_framebuffer_state fb; + struct pipe_viewport_state viewport; + + /* Framebuffer uses actual surface width/height + */ + memset(&fb, 0, sizeof fb); + fb.width = surface->width; + fb.height = surface->height; + fb.nr_cbufs = 1; + fb.cbufs[0] = surface; + fb.zsbuf = 0; + + /* Viewport just touches the bit we're interested in: + */ + viewport.scale[0] = width / 2.f; + viewport.scale[1] = height / 2.f; + viewport.scale[2] = 1.0; + viewport.scale[3] = 1.0; + viewport.translate[0] = width / 2.f; + viewport.translate[1] = height / 2.f; + viewport.translate[2] = 0.0; + viewport.translate[3] = 0.0; + + /* Constant buffer set up to match viewport dimensions: + */ + if (r->fb_width != width || + r->fb_height != height) + { + float vs_consts[8] = { + 2.f/width, 2.f/height, 1, 1, + -1, -1, 0, 0 + }; + + r->fb_width = width; + r->fb_height = height; + + renderer_set_constants(r, PIPE_SHADER_VERTEX, + vs_consts, sizeof vs_consts); + } + + cso_set_framebuffer(r->cso, &fb); + cso_set_viewport(r->cso, &viewport); +} + + +struct xorg_renderer * renderer_create(struct pipe_context *pipe) +{ + struct xorg_renderer *renderer = CALLOC_STRUCT(xorg_renderer); + + renderer->pipe = pipe; + renderer->cso = cso_create_context(pipe); + renderer->shaders = xorg_shaders_create(renderer); + + renderer_init_state(renderer); + + return renderer; +} + +void renderer_destroy(struct xorg_renderer *r) +{ + struct pipe_constant_buffer *vsbuf = &r->vs_const_buffer; + struct pipe_constant_buffer *fsbuf = &r->fs_const_buffer; + + if (vsbuf && vsbuf->buffer) + pipe_buffer_reference(&vsbuf->buffer, NULL); + + if (fsbuf && fsbuf->buffer) + pipe_buffer_reference(&fsbuf->buffer, NULL); + + if (r->shaders) { + xorg_shaders_destroy(r->shaders); + r->shaders = NULL; + } + + if (r->cso) { + cso_release_all(r->cso); + cso_destroy_context(r->cso); + r->cso = NULL; + } +} + + + + + +void renderer_set_constants(struct xorg_renderer *r, + int shader_type, + const float *params, + int param_bytes) +{ + struct pipe_constant_buffer *cbuf = + (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : + &r->fs_const_buffer; + + pipe_buffer_reference(&cbuf->buffer, NULL); + cbuf->buffer = pipe_buffer_create(r->pipe->screen, 16, + PIPE_BUFFER_USAGE_CONSTANT, + param_bytes); + + if (cbuf->buffer) { + pipe_buffer_write(r->pipe->screen, cbuf->buffer, + 0, param_bytes, params); + } + r->pipe->set_constant_buffer(r->pipe, shader_type, 0, cbuf); +} + + +void renderer_copy_prepare(struct xorg_renderer *r, + struct pipe_surface *dst_surface, + struct pipe_texture *src_texture) +{ + struct pipe_context *pipe = r->pipe; + struct pipe_screen *screen = pipe->screen; + struct xorg_shader shader; + + assert(screen->is_format_supported(screen, dst_surface->format, + PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_RENDER_TARGET, + 0)); + + + /* 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(r->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(r->cso, 0, &sampler); + cso_single_sampler_done(r->cso); + } + + renderer_bind_destination(r, dst_surface, + dst_surface->width, + dst_surface->height); + + /* texture */ + cso_set_sampler_textures(r->cso, 1, &src_texture); + + /* shaders */ + shader = xorg_shaders_get(r->shaders, + VS_COMPOSITE, + FS_COMPOSITE); + cso_set_vertex_shader_handle(r->cso, shader.vs); + cso_set_fragment_shader_handle(r->cso, shader.fs); + + r->buffer_size = 0; + r->attrs_per_vertex = 2; +} + +struct pipe_texture * +renderer_clone_texture(struct xorg_renderer *r, + struct pipe_texture *src) +{ + enum pipe_format format; + struct pipe_context *pipe = r->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_texture *pt; + struct pipe_texture templ; + + if (pipe->is_texture_referenced(pipe, src, 0, 0) & + PIPE_REFERENCED_FOR_WRITE) + pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + + /* the coming in texture should already have that invariance */ + debug_assert(screen->is_format_supported(screen, src->format, + PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0)); + + format = src->format; + + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = format; + templ.last_level = 0; + templ.width0 = src->width0; + templ.height0 = src->height0; + templ.depth0 = 1; + templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; + + pt = screen->texture_create(screen, &templ); + + debug_assert(!pt || pipe_is_referenced(&pt->reference)); + + if (!pt) + return NULL; + + { + /* copy source framebuffer surface into texture */ + struct pipe_surface *ps_read = screen->get_tex_surface( + screen, src, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ); + struct pipe_surface *ps_tex = screen->get_tex_surface( + screen, pt, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE ); + if (pipe->surface_copy) { + pipe->surface_copy(pipe, + ps_tex, /* dest */ + 0, 0, /* destx/y */ + ps_read, + 0, 0, src->width0, src->height0); + } else { + util_surface_copy(pipe, FALSE, + ps_tex, /* dest */ + 0, 0, /* destx/y */ + ps_read, + 0, 0, src->width0, src->height0); + } + pipe_surface_reference(&ps_read, NULL); + pipe_surface_reference(&ps_tex, NULL); + } + + return pt; +} + + +void renderer_copy_pixmap(struct xorg_renderer *r, + int dx, int dy, + int sx, int sy, + int width, int height, + float src_width, + float src_height) +{ + float s0, t0, s1, t1; + float x0, y0, x1, y1; + + + /* XXX: could put the texcoord scaling calculation into the vertex + * shader. + */ + s0 = sx / src_width; + s1 = (sx + width) / src_width; + t0 = sy / src_height; + t1 = (sy + height) / src_height; + + x0 = dx; + x1 = dx + width; + y0 = dy; + y1 = dy + height; + + /* draw quad */ + renderer_draw_conditional(r, 4*8); + add_vertex_1tex(r, x0, y0, s0, t0); + add_vertex_1tex(r, x1, y0, s1, t0); + add_vertex_1tex(r, x1, y1, s1, t1); + add_vertex_1tex(r, x0, y1, s0, t1); +} + + + + +void renderer_draw_yuv(struct xorg_renderer *r, + int src_x, int src_y, int src_w, int src_h, + int dst_x, int dst_y, int dst_w, int dst_h, + struct pipe_texture **textures) +{ + struct pipe_context *pipe = r->pipe; + struct pipe_buffer *buf = 0; + + buf = setup_vertex_data_yuv(r, + src_x, src_y, src_w, src_h, + dst_x, dst_y, dst_w, dst_h, + textures); + + if (buf) { + const int num_attribs = 2; /*pos + tex coord*/ + + util_draw_vertex_buffer(pipe, buf, 0, + PIPE_PRIM_QUADS, + 4, /* verts */ + num_attribs); /* attribs/vert */ + + pipe_buffer_reference(&buf, NULL); + } +} + +void renderer_begin_solid(struct xorg_renderer *r) +{ + r->buffer_size = 0; + r->attrs_per_vertex = 2; +} + +void renderer_solid(struct xorg_renderer *r, + int x0, int y0, + int x1, int y1, + float *color) +{ + /* + debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n", + x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/ + + renderer_draw_conditional(r, 4 * 8); + + /* 1st vertex */ + add_vertex_color(r, x0, y0, color); + /* 2nd vertex */ + add_vertex_color(r, x1, y0, color); + /* 3rd vertex */ + add_vertex_color(r, x1, y1, color); + /* 4th vertex */ + add_vertex_color(r, x0, y1, color); +} + +void renderer_draw_flush(struct xorg_renderer *r) +{ + renderer_draw_conditional(r, 0); +} + +void renderer_begin_textures(struct xorg_renderer *r, + struct pipe_texture **textures, + int num_textures) +{ + r->attrs_per_vertex = 1 + num_textures; + r->buffer_size = 0; +} + +void renderer_texture(struct xorg_renderer *r, + int *pos, + int width, int height, + struct pipe_texture **textures, + int num_textures, + float *src_matrix, + float *mask_matrix) +{ + +#if 0 + if (src_matrix) { + debug_printf("src_matrix = \n"); + debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]); + debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]); + debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]); + } + if (mask_matrix) { + debug_printf("mask_matrix = \n"); + debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]); + debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]); + debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]); + } +#endif + + switch(r->attrs_per_vertex) { + case 2: + renderer_draw_conditional(r, 4 * 8); + add_vertex_data1(r, + pos[0], pos[1], /* src */ + pos[4], pos[5], /* dst */ + width, height, + textures[0], src_matrix); + break; + case 3: + renderer_draw_conditional(r, 4 * 12); + add_vertex_data2(r, + pos[0], pos[1], /* src */ + pos[2], pos[3], /* mask */ + pos[4], pos[5], /* dst */ + width, height, + textures[0], textures[1], + src_matrix, mask_matrix); + break; + default: + debug_assert(!"Unsupported number of textures"); + break; + } +} |