diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/renderer.c')
| -rw-r--r-- | src/gallium/state_trackers/vega/renderer.c | 738 |
1 files changed, 484 insertions, 254 deletions
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c index c6f5f7a05b8..c94f00395b7 100644 --- a/src/gallium/state_trackers/vega/renderer.c +++ b/src/gallium/state_trackers/vega/renderer.c @@ -1,6 +1,7 @@ /************************************************************************** * * Copyright 2009 VMware, Inc. All Rights Reserved. + * Copyright 2010 LunarG, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the @@ -40,6 +41,26 @@ #include "util/u_sampler.h" #include "cso_cache/cso_context.h" +#include "tgsi/tgsi_ureg.h" + +typedef enum { + RENDERER_STATE_INIT, + RENDERER_STATE_COPY, + NUM_RENDERER_STATES +} RendererState; + +typedef enum { + RENDERER_VS_PLAIN, + RENDERER_VS_COLOR, + RENDERER_VS_TEXTURE, + NUM_RENDERER_VS +} RendererVs; + +typedef enum { + RENDERER_FS_COLOR, + RENDERER_FS_TEXTURE, + NUM_RENDERER_FS +} RendererFs; struct renderer { struct pipe_context *pipe; @@ -50,8 +71,390 @@ struct renderer { void *fs; VGfloat vertices[4][2][4]; + + void *cached_vs[NUM_RENDERER_VS]; + void *cached_fs[NUM_RENDERER_FS]; + + RendererState state; + + /* state data */ + union { + struct { + VGint tex_width; + VGint tex_height; + } copy; + } u; }; +/** + * Return VG_TRUE if the renderer can use the resource as the asked bindings. + */ +static VGboolean renderer_can_support(struct renderer *renderer, + struct pipe_resource *res, + unsigned bindings) +{ + struct pipe_screen *screen = renderer->pipe->screen; + + return screen->is_format_supported(screen, + res->format, res->target, 0, bindings, 0); +} + +/** + * Create a simple vertex shader that passes through position and the given + * attribute. + */ +static void *create_passthrough_vs(struct pipe_context *pipe, int semantic_name) +{ + struct ureg_program *ureg; + struct ureg_src src[2], constants[2]; + struct ureg_dst dst[2], tmp; + int i; + + ureg = ureg_create(TGSI_PROCESSOR_VERTEX); + if (!ureg) + return NULL; + + /* position in surface coordinates */ + src[0] = ureg_DECL_vs_input(ureg, 0); + dst[0] = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); + tmp = ureg_DECL_temporary(ureg); + for (i = 0; i < 2; i++) + constants[i] = ureg_DECL_constant(ureg, i); + + /* transform to clipped coordinates */ + ureg_MUL(ureg, tmp, src[0], constants[0]); + ureg_ADD(ureg, tmp, ureg_src(tmp), constants[1]); + ureg_MOV(ureg, dst[0], ureg_src(tmp)); + + if (semantic_name >= 0) { + src[1] = ureg_DECL_vs_input(ureg, 1); + dst[1] = ureg_DECL_output(ureg, semantic_name, 0); + ureg_MOV(ureg, dst[1], src[1]); + } + + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +/** + * Set renderer vertex shader. + * + * This function modifies vertex_shader state. + */ +static void renderer_set_vs(struct renderer *r, RendererVs id) +{ + /* create as needed */ + if (!r->cached_vs[id]) { + int semantic_name = -1; + + switch (id) { + case RENDERER_VS_PLAIN: + break; + case RENDERER_VS_COLOR: + semantic_name = TGSI_SEMANTIC_COLOR; + break; + case RENDERER_VS_TEXTURE: + semantic_name = TGSI_SEMANTIC_GENERIC; + break; + default: + assert(!"Unknown renderer vs id"); + break; + } + + r->cached_vs[id] = create_passthrough_vs(r->pipe, semantic_name); + } + + cso_set_vertex_shader_handle(r->cso, r->cached_vs[id]); +} + +/** + * Set renderer fragment shader. + * + * This function modifies fragment_shader state. + */ +static void renderer_set_fs(struct renderer *r, RendererFs id) +{ + /* create as needed */ + if (!r->cached_fs[id]) { + void *fs = NULL; + + switch (id) { + case RENDERER_FS_COLOR: + fs = util_make_fragment_passthrough_shader(r->pipe); + break; + case RENDERER_FS_TEXTURE: + fs = util_make_fragment_tex_shader(r->pipe, + TGSI_TEXTURE_2D, TGSI_INTERPOLATE_LINEAR); + break; + default: + assert(!"Unknown renderer fs id"); + break; + } + + r->cached_fs[id] = fs; + } + + cso_set_fragment_shader_handle(r->cso, r->cached_fs[id]); +} + +/** + * Set renderer target. + * + * This function modifies framebuffer and viewport states. + */ +static void renderer_set_target(struct renderer *r, + struct pipe_surface *cbuf, + struct pipe_surface *zsbuf, + VGboolean y0_top) +{ + struct pipe_framebuffer_state fb; + + memset(&fb, 0, sizeof(fb)); + fb.width = cbuf->width; + fb.height = cbuf->height; + fb.cbufs[0] = cbuf; + fb.nr_cbufs = 1; + fb.zsbuf = zsbuf; + cso_set_framebuffer(r->cso, &fb); + + vg_set_viewport(r->owner, (y0_top) ? VEGA_Y0_TOP : VEGA_Y0_BOTTOM); +} + +/** + * Set renderer blend state. Blending is disabled. + * + * This function modifies blend state. + */ +static void renderer_set_blend(struct renderer *r, + VGbitfield channel_mask) +{ + struct pipe_blend_state blend; + + memset(&blend, 0, sizeof(blend)); + + blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; + blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; + + if (channel_mask & VG_RED) + blend.rt[0].colormask |= PIPE_MASK_R; + if (channel_mask & VG_GREEN) + blend.rt[0].colormask |= PIPE_MASK_G; + if (channel_mask & VG_BLUE) + blend.rt[0].colormask |= PIPE_MASK_B; + if (channel_mask & VG_ALPHA) + blend.rt[0].colormask |= PIPE_MASK_A; + + cso_set_blend(r->cso, &blend); +} + +/** + * Set renderer sampler and view states. + * + * This function modifies samplers and fragment_sampler_views states. + */ +static void renderer_set_samplers(struct renderer *r, + uint num_views, + struct pipe_sampler_view **views) +{ + struct pipe_sampler_state sampler; + unsigned tex_filter = PIPE_TEX_FILTER_NEAREST; + unsigned tex_wrap = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + uint i; + + memset(&sampler, 0, sizeof(sampler)); + + sampler.min_img_filter = tex_filter; + sampler.mag_img_filter = tex_filter; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; + + sampler.wrap_s = tex_wrap; + sampler.wrap_t = tex_wrap; + sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + + sampler.normalized_coords = 1; + + /* set samplers */ + for (i = 0; i < num_views; i++) + cso_single_sampler(r->cso, i, &sampler); + cso_single_sampler_done(r->cso); + + /* set views */ + cso_set_fragment_sampler_views(r->cso, num_views, views); +} + +/** + * Setup renderer quad position. + */ +static void renderer_quad_pos(struct renderer *r, + VGfloat x0, VGfloat y0, + VGfloat x1, VGfloat y1, + VGboolean scissor) +{ + VGfloat z; + + /* the depth test is used for scissoring */ + z = (scissor) ? 0.0f : 1.0f; + + /* positions */ + r->vertices[0][0][0] = x0; + r->vertices[0][0][1] = y0; + r->vertices[0][0][2] = z; + + r->vertices[1][0][0] = x1; + r->vertices[1][0][1] = y0; + r->vertices[1][0][2] = z; + + r->vertices[2][0][0] = x1; + r->vertices[2][0][1] = y1; + r->vertices[2][0][2] = z; + + r->vertices[3][0][0] = x0; + r->vertices[3][0][1] = y1; + r->vertices[3][0][2] = z; +} + +/** + * Setup renderer quad texture coordinates. + */ +static void renderer_quad_texcoord(struct renderer *r, + VGfloat x0, VGfloat y0, + VGfloat x1, VGfloat y1, + VGint tex_width, VGint tex_height) +{ + VGfloat s0, t0, s1, t1, r0, q0; + VGint i; + + s0 = x0 / tex_width; + s1 = x1 / tex_width; + t0 = y0 / tex_height; + t1 = y1 / tex_height; + r0 = 0.0f; + q0 = 1.0f; + + /* texcoords */ + r->vertices[0][1][0] = s0; + r->vertices[0][1][1] = t0; + + r->vertices[1][1][0] = s1; + r->vertices[1][1][1] = t0; + + r->vertices[2][1][0] = s1; + r->vertices[2][1][1] = t1; + + r->vertices[3][1][0] = s0; + r->vertices[3][1][1] = t1; + + for (i = 0; i < 4; i++) { + r->vertices[i][1][2] = r0; + r->vertices[i][1][3] = q0; + } +} + +/** + * Draw renderer quad. + */ +static void renderer_quad_draw(struct renderer *r) +{ + struct pipe_resource *buf; + + buf = pipe_user_buffer_create(r->pipe->screen, + r->vertices, + sizeof(r->vertices), + PIPE_BIND_VERTEX_BUFFER); + if (buf) { + cso_set_vertex_elements(r->cso, 2, r->owner->velems); + util_draw_vertex_buffer(r->pipe, buf, 0, + PIPE_PRIM_TRIANGLE_FAN, + Elements(r->vertices), /* verts */ + Elements(r->vertices[0])); /* attribs/vert */ + + pipe_resource_reference(&buf, NULL); + } +} + +/** + * Prepare the renderer for copying. + */ +VGboolean renderer_copy_begin(struct renderer *renderer, + struct pipe_surface *dst, + VGboolean y0_top, + struct pipe_sampler_view *src) +{ + assert(renderer->state == RENDERER_STATE_INIT); + + /* sanity check */ + if (!renderer_can_support(renderer, + dst->texture, PIPE_BIND_RENDER_TARGET) || + !renderer_can_support(renderer, + src->texture, PIPE_BIND_SAMPLER_VIEW)) + return VG_FALSE; + + cso_save_framebuffer(renderer->cso); + cso_save_viewport(renderer->cso); + cso_save_blend(renderer->cso); + cso_save_samplers(renderer->cso); + cso_save_fragment_sampler_views(renderer->cso); + cso_save_fragment_shader(renderer->cso); + cso_save_vertex_shader(renderer->cso); + + renderer_set_target(renderer, dst, NULL, y0_top); + + renderer_set_blend(renderer, ~0); + renderer_set_samplers(renderer, 1, &src); + + renderer_set_fs(renderer, RENDERER_FS_TEXTURE); + renderer_set_vs(renderer, RENDERER_VS_TEXTURE); + + /* remember the texture size */ + renderer->u.copy.tex_width = src->texture->width0; + renderer->u.copy.tex_height = src->texture->height0; + renderer->state = RENDERER_STATE_COPY; + + return VG_TRUE; +} + +/** + * Draw into the destination rectangle given by (x, y, w, h). The texture is + * sampled from within the rectangle given by (sx, sy, sw, sh). + * + * The coordinates are in surface coordinates. + */ +void renderer_copy(struct renderer *renderer, + VGint x, VGint y, VGint w, VGint h, + VGint sx, VGint sy, VGint sw, VGint sh) +{ + assert(renderer->state == RENDERER_STATE_COPY); + + /* there is no depth buffer for scissoring anyway */ + renderer_quad_pos(renderer, x, y, x + w, y + h, VG_FALSE); + renderer_quad_texcoord(renderer, sx, sy, sx + sw, sy + sh, + renderer->u.copy.tex_width, + renderer->u.copy.tex_height); + + renderer_quad_draw(renderer); +} + +/** + * End copying and restore the states. + */ +void renderer_copy_end(struct renderer *renderer) +{ + assert(renderer->state == RENDERER_STATE_COPY); + + cso_restore_framebuffer(renderer->cso); + cso_restore_viewport(renderer->cso); + cso_restore_blend(renderer->cso); + cso_restore_samplers(renderer->cso); + cso_restore_fragment_sampler_views(renderer->cso); + cso_restore_fragment_shader(renderer->cso); + cso_restore_vertex_shader(renderer->cso); + + renderer->state = RENDERER_STATE_INIT; +} + static void setup_shaders(struct renderer *ctx) { struct pipe_context *pipe = ctx->pipe; @@ -94,80 +497,6 @@ setup_vertex_data(struct renderer *ctx, PIPE_BIND_VERTEX_BUFFER); } -static struct pipe_resource * -setup_vertex_data_tex(struct renderer *ctx, - float x0, float y0, float x1, float y1, - float s0, float t0, float s1, float t1, - float z) -{ - 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; - - return pipe_user_buffer_create( ctx->pipe->screen, - ctx->vertices, - sizeof(ctx->vertices), - PIPE_BIND_VERTEX_BUFFER); -} - - -static struct pipe_resource * -setup_vertex_data_qtex(struct renderer *ctx, - float x0, float y0, float x1, float y1, - float x2, float y2, float x3, float y3, - float s0, float t0, float s1, float t1, - float z) -{ - 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] = y1; - 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] = x2; - ctx->vertices[2][0][1] = y2; - ctx->vertices[2][0][2] = z; - ctx->vertices[2][1][0] = s1; - ctx->vertices[2][1][1] = t1; - - ctx->vertices[3][0][0] = x3; - ctx->vertices[3][0][1] = y3; - ctx->vertices[3][0][2] = z; - ctx->vertices[3][1][0] = s0; - ctx->vertices[3][1][1] = t1; - - return pipe_user_buffer_create( ctx->pipe->screen, - ctx->vertices, - sizeof(ctx->vertices), - PIPE_BIND_VERTEX_BUFFER); -} - struct renderer * renderer_create(struct vg_context *owner) { VGint i; @@ -183,17 +512,27 @@ struct renderer * renderer_create(struct vg_context *owner) setup_shaders(renderer); /* init vertex data that doesn't change */ - for (i = 0; i < 4; i++) { + for (i = 0; i < 4; i++) renderer->vertices[i][0][3] = 1.0f; /* w */ - renderer->vertices[i][1][2] = 0.0f; /* r */ - renderer->vertices[i][1][3] = 1.0f; /* q */ - } + + renderer->state = RENDERER_STATE_INIT; return renderer; } void renderer_destroy(struct renderer *ctx) { + int i; + + for (i = 0; i < NUM_RENDERER_VS; i++) { + if (ctx->cached_vs[i]) + cso_delete_vertex_shader(ctx->cso, ctx->cached_vs[i]); + } + for (i = 0; i < NUM_RENDERER_FS; i++) { + if (ctx->cached_fs[i]) + cso_delete_fragment_shader(ctx->cso, ctx->cached_fs[i]); + } + #if 0 if (ctx->fs) { cso_delete_fragment_shader(ctx->cso, ctx->fs); @@ -208,20 +547,11 @@ void renderer_draw_quad(struct renderer *r, VGfloat x2, VGfloat y2, VGfloat depth) { - struct pipe_resource *buf; + assert(r->state == RENDERER_STATE_INIT); + assert(floatsEqual(depth, 0.0f)); - buf = setup_vertex_data(r, x1, y1, x2, y2, depth); - - if (buf) { - cso_set_vertex_elements(r->cso, 2, r->owner->velems); - util_draw_vertex_buffer(r->pipe, buf, 0, - PIPE_PRIM_TRIANGLE_FAN, - 4, /* verts */ - 2); /* attribs/vert */ - - pipe_resource_reference( &buf, - NULL ); - } + renderer_quad_pos(r, x1, y1, x2, y2, VG_TRUE); + renderer_quad_draw(r); } void renderer_draw_texture(struct renderer *r, @@ -231,36 +561,18 @@ void renderer_draw_texture(struct renderer *r, VGfloat x1, VGfloat y1, VGfloat x2, VGfloat y2) { - struct pipe_context *pipe = r->pipe; - struct pipe_resource *buf; - VGfloat s0, t0, s1, t1; - + assert(r->state == RENDERER_STATE_INIT); assert(tex->width0 != 0); assert(tex->height0 != 0); - s0 = x1offset / tex->width0; - s1 = x2offset / tex->width0; - t0 = y1offset / tex->height0; - t1 = y2offset / tex->height0; - cso_save_vertex_shader(r->cso); - /* shaders */ - cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner)); - /* draw quad */ - buf = setup_vertex_data_tex(r, x1, y1, x2, y2, - s0, t0, s1, t1, 0.0f); + renderer_set_vs(r, RENDERER_VS_TEXTURE); - if (buf) { - cso_set_vertex_elements(r->cso, 2, r->owner->velems); - util_draw_vertex_buffer(pipe, buf, 0, - PIPE_PRIM_TRIANGLE_FAN, - 4, /* verts */ - 2); /* attribs/vert */ - - pipe_resource_reference( &buf, - NULL ); - } + renderer_quad_pos(r, x1, y1, x2, y2, VG_TRUE); + renderer_quad_texcoord(r, x1offset, y1offset, + x2offset, y2offset, tex->width0, tex->height0); + renderer_quad_draw(r); cso_restore_vertex_shader(r->cso); } @@ -273,129 +585,45 @@ void renderer_copy_texture(struct renderer *ctx, VGfloat dx1, VGfloat dy1, VGfloat dx2, VGfloat dy2) { - struct pipe_context *pipe = ctx->pipe; - struct pipe_screen *screen = pipe->screen; - struct pipe_resource *tex = src->texture; - struct pipe_resource *buf; - struct pipe_surface *dst_surf = screen->get_tex_surface( - screen, dst, 0, 0, 0, - PIPE_BIND_RENDER_TARGET); - struct pipe_framebuffer_state fb; - float s0, t0, s1, t1; + struct pipe_surface *surf; + VGint x, y, w, h, sx, sy, sw, sh; - assert(tex->width0 != 0); - assert(tex->height0 != 0); + /* get the destination surface */ + surf = ctx->pipe->screen->get_tex_surface(ctx->pipe->screen, + dst, 0, 0, 0, PIPE_BIND_RENDER_TARGET); + if (!surf) + return; + + assert(ctx->state == RENDERER_STATE_INIT); + assert(src->texture->width0 != 0); + assert(src->texture->height0 != 0); assert(dst->width0 != 0); assert(dst->height0 != 0); -#if 0 - debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n", - sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2); -#endif - -#if 1 - s0 = sx1 / tex->width0; - s1 = sx2 / tex->width0; - t0 = sy1 / tex->height0; - t1 = sy2 / tex->height0; -#else - s0 = 0; - s1 = 1; - t0 = 0; - t1 = 1; -#endif - - assert(screen->is_format_supported(screen, dst_surf->format, PIPE_TEXTURE_2D, - 0, PIPE_BIND_RENDER_TARGET, 0)); - - /* save state (restored below) */ - cso_save_blend(ctx->cso); - cso_save_samplers(ctx->cso); - cso_save_fragment_sampler_views(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 */ - { - struct pipe_blend_state blend; - memset(&blend, 0, sizeof(blend)); - blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; - blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; - blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; - blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; - blend.rt[0].colormask = PIPE_MASK_RGBA; - cso_set_blend(ctx->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(ctx->cso, 0, &sampler); - cso_single_sampler_done(ctx->cso); - } - - vg_set_viewport(ctx->owner, VEGA_Y0_TOP); - - /* texture */ - cso_set_fragment_sampler_views(ctx->cso, 1, &src); - - /* shaders */ - cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner)); - cso_set_fragment_shader_handle(ctx->cso, ctx->fs); - - /* drawing dest */ - memset(&fb, 0, sizeof(fb)); - fb.width = dst_surf->width; - fb.height = dst_surf->height; - fb.nr_cbufs = 1; - fb.cbufs[0] = dst_surf; - { - VGint i; - for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) - fb.cbufs[i] = 0; - } - cso_set_framebuffer(ctx->cso, &fb); - - /* draw quad */ - buf = setup_vertex_data_tex(ctx, - dx1, dy1, - dx2, dy2, - s0, t0, s1, t1, - 0.0f); - - if (buf) { - cso_set_vertex_elements(ctx->cso, 2, ctx->owner->velems); - util_draw_vertex_buffer(ctx->pipe, buf, 0, - PIPE_PRIM_TRIANGLE_FAN, - 4, /* verts */ - 2); /* attribs/vert */ - - pipe_resource_reference( &buf, - NULL ); + x = (VGint) dx1; + y = (VGint) dy1; + w = (VGint) (dx2 - dx1); + h = (VGint) (dy2 - dy1); + assert(floatsEqual(x, dx1) && + floatsEqual(y, dy1) && + floatsEqual(w, (dx2 - dx1)) && + floatsEqual(h, (dy2 - dy1))); + + sx = (VGint) sx1; + sy = (VGint) sy1; + sw = (VGint) (sx2 - sx1); + sh = (VGint) (sy2 - sy1); + assert(floatsEqual(sx, sx1) && + floatsEqual(sy, sy1) && + floatsEqual(sw, (sx2 - sx1)) && + floatsEqual(sh, (sy2 - sy1))); + + if (renderer_copy_begin(ctx, surf, VG_TRUE, src)) { + renderer_copy(ctx, x, y, w, h, sx, sy, sw, sh); + renderer_copy_end(ctx); } - /* restore state we changed */ - cso_restore_blend(ctx->cso); - cso_restore_samplers(ctx->cso); - cso_restore_fragment_sampler_views(ctx->cso); - cso_restore_framebuffer(ctx->cso); - cso_restore_vertex_shader(ctx->cso); - cso_restore_fragment_shader(ctx->cso); - cso_restore_viewport(ctx->cso); - - pipe_surface_reference(&dst_surf, NULL); + pipe_surface_reference(&surf, NULL); } void renderer_copy_surface(struct renderer *ctx, @@ -575,36 +803,38 @@ void renderer_texture_quad(struct renderer *r, VGfloat x3, VGfloat y3, VGfloat x4, VGfloat y4) { - struct pipe_context *pipe = r->pipe; - struct pipe_resource *buf; - VGfloat s0, t0, s1, t1; + const VGfloat z = 0.0f; + assert(r->state == RENDERER_STATE_INIT); assert(tex->width0 != 0); assert(tex->height0 != 0); - s0 = x1offset / tex->width0; - s1 = x2offset / tex->width0; - t0 = y1offset / tex->height0; - t1 = y2offset / tex->height0; - cso_save_vertex_shader(r->cso); - /* shaders */ - cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner)); - /* draw quad */ - buf = setup_vertex_data_qtex(r, x1, y1, x2, y2, x3, y3, x4, y4, - s0, t0, s1, t1, 0.0f); + renderer_set_vs(r, RENDERER_VS_TEXTURE); - if (buf) { - cso_set_vertex_elements(r->cso, 2, r->owner->velems); - util_draw_vertex_buffer(pipe, buf, 0, - PIPE_PRIM_TRIANGLE_FAN, - 4, /* verts */ - 2); /* attribs/vert */ + /* manually set up positions */ + r->vertices[0][0][0] = x1; + r->vertices[0][0][1] = y1; + r->vertices[0][0][2] = z; - pipe_resource_reference(&buf, - NULL); - } + r->vertices[1][0][0] = x2; + r->vertices[1][0][1] = y2; + r->vertices[1][0][2] = z; + + r->vertices[2][0][0] = x3; + r->vertices[2][0][1] = y3; + r->vertices[2][0][2] = z; + + r->vertices[3][0][0] = x4; + r->vertices[3][0][1] = y4; + r->vertices[3][0][2] = z; + + /* texcoords */ + renderer_quad_texcoord(r, x1offset, y1offset, + x2offset, y2offset, tex->width0, tex->height0); + + renderer_quad_draw(r); cso_restore_vertex_shader(r->cso); } |