| 0,0 → 1,547 |
|---|
| #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_sampler.h" |
| |
| #include "util/u_inlines.h" |
| #include "util/u_box.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 void |
| renderer_draw(struct xorg_renderer *r) |
| { |
| int num_verts = r->buffer_size/(r->attrs_per_vertex * NUM_COMPONENTS); |
| |
| if (!r->buffer_size) |
| return; |
| |
| cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems); |
| util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS, |
| num_verts, r->attrs_per_vertex); |
| |
| r->buffer_size = 0; |
| } |
| |
| 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; |
| unsigned i; |
| |
| /* 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.half_pixel_center = 1; |
| raster.bottom_edge_rule = 1; |
| raster.depth_clip = 1; |
| cso_set_rasterizer(r->cso, &raster); |
| |
| /* vertex elements state */ |
| memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3); |
| for (i = 0; i < 3; i++) { |
| r->velems[i].src_offset = i * 4 * sizeof(float); |
| r->velems[i].instance_divisor = 0; |
| r->velems[i].vertex_buffer_index = 0; |
| r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
| } |
| } |
| |
| |
| 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_resource *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_resource *src, |
| struct pipe_resource *mask, |
| float *src_matrix, float *mask_matrix) |
| { |
| float src_s0, src_t0, src_s1, src_t1, src_s2, src_t2, src_s3, src_t3; |
| float mask_s0, mask_t0, mask_s1, mask_t1, mask_s2, mask_t2, mask_s3, mask_t3; |
| float spt0[2], spt1[2], spt2[2], spt3[2]; |
| float mpt0[2], mpt1[2], mpt2[2], mpt3[2]; |
| |
| spt0[0] = srcX; |
| spt0[1] = srcY; |
| spt1[0] = (srcX + width); |
| spt1[1] = srcY; |
| spt2[0] = (srcX + width); |
| spt2[1] = (srcY + height); |
| spt3[0] = srcX; |
| spt3[1] = (srcY + height); |
| |
| mpt0[0] = maskX; |
| mpt0[1] = maskY; |
| mpt1[0] = (maskX + width); |
| mpt1[1] = maskY; |
| mpt2[0] = (maskX + width); |
| mpt2[1] = (maskY + height); |
| mpt3[0] = maskX; |
| mpt3[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]); |
| map_point(src_matrix, spt2[0], spt2[1], &spt2[0], &spt2[1]); |
| map_point(src_matrix, spt3[0], spt3[1], &spt3[0], &spt3[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]); |
| map_point(mask_matrix, mpt2[0], mpt2[1], &mpt2[0], &mpt2[1]); |
| map_point(mask_matrix, mpt3[0], mpt3[1], &mpt3[0], &mpt3[1]); |
| } |
| |
| src_s0 = spt0[0] / src->width0; |
| src_s1 = spt1[0] / src->width0; |
| src_s2 = spt2[0] / src->width0; |
| src_s3 = spt3[0] / src->width0; |
| src_t0 = spt0[1] / src->height0; |
| src_t1 = spt1[1] / src->height0; |
| src_t2 = spt2[1] / src->height0; |
| src_t3 = spt3[1] / src->height0; |
| |
| mask_s0 = mpt0[0] / mask->width0; |
| mask_s1 = mpt1[0] / mask->width0; |
| mask_s2 = mpt2[0] / mask->width0; |
| mask_s3 = mpt3[0] / mask->width0; |
| mask_t0 = mpt0[1] / mask->height0; |
| mask_t1 = mpt1[1] / mask->height0; |
| mask_t2 = mpt2[1] / mask->height0; |
| mask_t3 = mpt3[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_t1, mask_s1, mask_t1); |
| /* 3rd vertex */ |
| add_vertex_2tex(r, dstX + width, dstY + height, |
| src_s2, src_t2, mask_s2, mask_t2); |
| /* 4th vertex */ |
| add_vertex_2tex(r, dstX, dstY + height, |
| src_s3, src_t3, mask_s3, mask_t3); |
| } |
| |
| static void |
| 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_resource **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); |
| } |
| |
| |
| |
| /* 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_resource **vsbuf = &r->vs_const_buffer; |
| struct pipe_resource **fsbuf = &r->fs_const_buffer; |
| |
| if (*vsbuf) |
| pipe_resource_reference(vsbuf, NULL); |
| |
| if (*fsbuf) |
| pipe_resource_reference(fsbuf, 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_resource **cbuf = |
| (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer : |
| &r->fs_const_buffer; |
| |
| pipe_resource_reference(cbuf, NULL); |
| *cbuf = pipe_buffer_create(r->pipe->screen, |
| PIPE_BIND_CONSTANT_BUFFER, |
| PIPE_USAGE_STATIC, |
| param_bytes); |
| |
| if (*cbuf) { |
| pipe_buffer_write(r->pipe, *cbuf, |
| 0, param_bytes, params); |
| } |
| pipe_set_constant_buffer(r->pipe, shader_type, 0, *cbuf); |
| } |
| |
| |
| |
| void renderer_draw_yuv(struct xorg_renderer *r, |
| float src_x, float src_y, float src_w, float src_h, |
| int dst_x, int dst_y, int dst_w, int dst_h, |
| struct pipe_resource **textures) |
| { |
| const int num_attribs = 2; /*pos + tex coord*/ |
| |
| setup_vertex_data_yuv(r, |
| src_x, src_y, src_w, src_h, |
| dst_x, dst_y, dst_w, dst_h, |
| textures); |
| |
| cso_set_vertex_elements(r->cso, num_attribs, r->velems); |
| |
| util_draw_user_vertex_buffer(r->cso, r->buffer, |
| PIPE_PRIM_QUADS, |
| 4, /* verts */ |
| num_attribs); /* attribs/vert */ |
| |
| r->buffer_size = 0; |
| } |
| |
| 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, |
| 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_sampler_view **sampler_view, |
| 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, |
| sampler_view[0]->texture, 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, |
| sampler_view[0]->texture, sampler_view[1]->texture, |
| src_matrix, mask_matrix); |
| break; |
| default: |
| debug_assert(!"Unsupported number of textures"); |
| break; |
| } |
| } |