diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_clear.c')
-rw-r--r-- | src/mesa/state_tracker/st_cb_clear.c | 58 |
1 files changed, 15 insertions, 43 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 668c3f9ebf..dd9ba2881f 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -60,24 +60,15 @@ st_init_clear(struct st_context *st) { struct pipe_context *pipe = st->pipe; - /* rasterizer state: bypass clipping */ memset(&st->clear.raster, 0, sizeof(st->clear.raster)); st->clear.raster.gl_rasterization_rules = 1; - st->clear.raster.bypass_clipping = 1; - - /* viewport state: identity since we're drawing in window coords */ - st->clear.viewport.scale[0] = 1.0; - st->clear.viewport.scale[1] = 1.0; - st->clear.viewport.scale[2] = 1.0; - st->clear.viewport.scale[3] = 1.0; - st->clear.viewport.translate[0] = 0.0; - st->clear.viewport.translate[1] = 0.0; - st->clear.viewport.translate[2] = 0.0; - st->clear.viewport.translate[3] = 0.0; + + /* rasterizer state: bypass vertex shader, clipping and viewport */ + st->clear.raster.bypass_vs_clip_and_viewport = 1; /* fragment shader state: color pass-through program */ st->clear.fs = - util_make_fragment_passthrough_shader(pipe, &st->clear.frag_shader); + util_make_fragment_passthrough_shader(pipe); /* vertex shader state: color/position pass-through */ { @@ -86,8 +77,7 @@ st_init_clear(struct st_context *st) const uint semantic_indexes[] = { 0, 0 }; st->clear.vs = util_make_vertex_passthrough_shader(pipe, 2, semantic_names, - semantic_indexes, - &st->clear.vert_shader); + semantic_indexes); } } @@ -95,18 +85,6 @@ st_init_clear(struct st_context *st) void st_destroy_clear(struct st_context *st) { - struct pipe_context *pipe = st->pipe; - - if (st->clear.vert_shader.tokens) { - FREE((void *) st->clear.vert_shader.tokens); - st->clear.vert_shader.tokens = NULL; - } - - if (st->clear.frag_shader.tokens) { - FREE((void *) st->clear.frag_shader.tokens); - st->clear.frag_shader.tokens = NULL; - } - if (st->clear.fs) { cso_delete_fragment_shader(st->cso_context, st->clear.fs); st->clear.fs = NULL; @@ -116,7 +94,7 @@ st_destroy_clear(struct st_context *st) st->clear.vs = NULL; } if (st->clear.vbuf) { - pipe_buffer_reference(pipe->screen, &st->clear.vbuf, NULL); + pipe_buffer_reference(&st->clear.vbuf, NULL); st->clear.vbuf = NULL; } } @@ -138,8 +116,9 @@ is_depth_stencil_format(enum pipe_format pipeFormat) /** * Draw a screen-aligned quadrilateral. - * Coords are window coords with y=0=bottom. These coords will be transformed - * by the vertex shader and viewport transform (which will flip Y if needed). + * Coords are window coords with y=0=bottom. These will be passed + * through unmodified to the rasterizer as we have set + * rasterizer->bypass_vs_clip_and_viewport. */ static void draw_quad(GLcontext *ctx, @@ -150,10 +129,9 @@ draw_quad(GLcontext *ctx, struct pipe_context *pipe = st->pipe; const GLuint max_slots = 1024 / sizeof(st->clear.vertices); GLuint i; - void *buf; if (st->clear.vbuf_slot >= max_slots) { - pipe_buffer_reference(pipe->screen, &st->clear.vbuf, NULL); + pipe_buffer_reference(&st->clear.vbuf, NULL); st->clear.vbuf_slot = 0; } @@ -186,13 +164,10 @@ draw_quad(GLcontext *ctx, } /* put vertex data into vbuf */ - buf = pipe_buffer_map(pipe->screen, st->clear.vbuf, PIPE_BUFFER_USAGE_CPU_WRITE); - - memcpy((char *)buf + st->clear.vbuf_slot * sizeof(st->clear.vertices), - st->clear.vertices, - sizeof(st->clear.vertices)); - - pipe_buffer_unmap(pipe->screen, st->clear.vbuf); + pipe_buffer_write(pipe->screen, st->clear.vbuf, + st->clear.vbuf_slot * sizeof(st->clear.vertices), + sizeof(st->clear.vertices), + st->clear.vertices); /* draw */ util_draw_vertex_buffer(pipe, @@ -243,7 +218,6 @@ clear_with_quad(GLcontext *ctx, cso_save_blend(st->cso_context); cso_save_depth_stencil_alpha(st->cso_context); cso_save_rasterizer(st->cso_context); - cso_save_viewport(st->cso_context); cso_save_fragment_shader(st->cso_context); cso_save_vertex_shader(st->cso_context); @@ -295,7 +269,6 @@ clear_with_quad(GLcontext *ctx, } cso_set_rasterizer(st->cso_context, &st->clear.raster); - cso_set_viewport(st->cso_context, &st->clear.viewport); cso_set_fragment_shader_handle(st->cso_context, st->clear.fs); cso_set_vertex_shader_handle(st->cso_context, st->clear.vs); @@ -307,7 +280,6 @@ clear_with_quad(GLcontext *ctx, cso_restore_blend(st->cso_context); cso_restore_depth_stencil_alpha(st->cso_context); cso_restore_rasterizer(st->cso_context); - cso_restore_viewport(st->cso_context); cso_restore_fragment_shader(st->cso_context); cso_restore_vertex_shader(st->cso_context); } @@ -528,7 +500,7 @@ void st_flush_clear( struct st_context *st ) /* Release vertex buffer to avoid synchronous rendering if we were * to map it in the next frame. */ - pipe_buffer_reference(st->pipe->screen, &st->clear.vbuf, NULL); + pipe_buffer_reference(&st->clear.vbuf, NULL); st->clear.vbuf_slot = 0; } |