diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/renderer.c')
| -rw-r--r-- | src/gallium/state_trackers/vega/renderer.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/renderer.c b/src/gallium/state_trackers/vega/renderer.c index f436ee56fe..8a195f316b 100644 --- a/src/gallium/state_trackers/vega/renderer.c +++ b/src/gallium/state_trackers/vega/renderer.c @@ -68,6 +68,7 @@ typedef enum { RENDERER_FS_COLOR, RENDERER_FS_TEXTURE, RENDERER_FS_SCISSOR, + RENDERER_FS_WHITE, NUM_RENDERER_FS } RendererFs; @@ -75,6 +76,7 @@ struct renderer { struct pipe_context *pipe; struct cso_context *cso; + VGbitfield dirty; struct { struct pipe_rasterizer_state rasterizer; struct pipe_depth_stencil_alpha_state dsa; @@ -222,6 +224,25 @@ static void *create_scissor_fs(struct pipe_context *pipe) } /** + * Create a simple fragment shader that sets the color to white. + */ +static void *create_white_fs(struct pipe_context *pipe) +{ + struct ureg_program *ureg; + struct ureg_dst out; + struct ureg_src imm; + + ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT); + out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); + imm = ureg_imm4f(ureg, 1.0f, 1.0f, 1.0f, 1.0f); + + ureg_MOV(ureg, out, imm); + ureg_END(ureg); + + return ureg_create_shader_and_destroy(ureg, pipe); +} + +/** * Set renderer fragment shader. * * This function modifies fragment_shader state. @@ -243,6 +264,9 @@ static void renderer_set_fs(struct renderer *r, RendererFs id) case RENDERER_FS_SCISSOR: fs = create_scissor_fs(r->pipe); break; + case RENDERER_FS_WHITE: + fs = create_white_fs(r->pipe); + break; default: assert(!"Unknown renderer fs id"); break; @@ -1171,6 +1195,9 @@ void renderer_validate(struct renderer *renderer, { assert(renderer->state == RENDERER_STATE_INIT); + dirty |= renderer->dirty; + renderer->dirty = 0; + if (dirty & BLEND_DIRTY) { struct pipe_blend_state blend; memset(&blend, 0, sizeof(blend)); @@ -1308,6 +1335,17 @@ void renderer_validate_for_shader(struct renderer *renderer, const_buffer, const_buffer_len); } +void renderer_validate_for_mask_rendering(struct renderer *renderer, + struct pipe_surface *dst) +{ + renderer_set_target(renderer, dst, renderer->g3d.fb.zsbuf, VG_FALSE); + renderer_set_blend(renderer, ~0); + renderer_set_fs(renderer, RENDERER_FS_WHITE); + + /* set internal dirty flags (hacky!) */ + renderer->dirty = FRAMEBUFFER_DIRTY | BLEND_DIRTY; +} + void renderer_copy_surface(struct renderer *ctx, struct pipe_surface *src, int srcX0, int srcY0, |