sp_quad_colormask.c File Reference

Include dependency graph for sp_quad_colormask.c:

Go to the source code of this file.

Functions
static void	colormask_quad (struct quad_stage *qs, struct quad_header *quad)
	quad colormask stage
static void	colormask_begin (struct quad_stage *qs)
static void	colormask_destroy (struct quad_stage *qs)
struct quad_stage *	sp_quad_colormask_stage (struct softpipe_context *softpipe)

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Function Documentation

static void colormask_begin

(

struct quad_stage *

qs

)

[static]

Definition at line 94 of file sp_quad_colormask.c.

References quad_stage::begin, and quad_stage::next.

{
   qs->next->begin(qs->next);
}

static void colormask_destroy

(

struct quad_stage *

qs

)

[static]

Definition at line 100 of file sp_quad_colormask.c.

References FREE.

{
   FREE( qs );
}

static void colormask_quad	(	struct quad_stage *	qs,
		struct quad_header *	quad
	)			[static]

quad colormask stage

Author:

Brian Paul XXX colormask could be rolled into blending...

Definition at line 48 of file sp_quad_colormask.c.

References softpipe_context::blend, softpipe_context::cbuf_cache, softpipe_cached_tile::color, quad_header_output::color, pipe_blend_state::colormask, COPY_4V, softpipe_cached_tile::data, softpipe_context::framebuffer, quad_header::input, quad_stage::next, pipe_framebuffer_state::num_cbufs, quad_header::output, PIPE_MASK_A, PIPE_MASK_B, PIPE_MASK_G, PIPE_MASK_R, QUAD_SIZE, quad_stage::run, quad_stage::softpipe, sp_get_cached_tile(), TILE_SIZE, softpipe_cached_tile::x, quad_header_input::x0, softpipe_cached_tile::y, and quad_header_input::y0.

{
   struct softpipe_context *softpipe = qs->softpipe;
   uint cbuf;

   /* loop over colorbuffer outputs */
   for (cbuf = 0; cbuf < softpipe->framebuffer.num_cbufs; cbuf++) {
      float dest[4][QUAD_SIZE];
      struct softpipe_cached_tile *tile
         = sp_get_cached_tile(softpipe,
                              softpipe->cbuf_cache[cbuf],
                              quad->input.x0, quad->input.y0);
      float (*quadColor)[4] = quad->output.color[cbuf];
      uint i, j;

      /* get/swizzle dest colors */
      for (j = 0; j < QUAD_SIZE; j++) {
         int x = (quad->input.x0 & (TILE_SIZE-1)) + (j & 1);
         int y = (quad->input.y0 & (TILE_SIZE-1)) + (j >> 1);
         for (i = 0; i < 4; i++) {
            dest[i][j] = tile->data.color[y][x][i];
         }
      }

      /* R */
      if (!(softpipe->blend->colormask & PIPE_MASK_R))
          COPY_4V(quadColor[0], dest[0]);

      /* G */
      if (!(softpipe->blend->colormask & PIPE_MASK_G))
          COPY_4V(quadColor[1], dest[1]);

      /* B */
      if (!(softpipe->blend->colormask & PIPE_MASK_B))
          COPY_4V(quadColor[2], dest[2]);

      /* A */
      if (!(softpipe->blend->colormask & PIPE_MASK_A))
          COPY_4V(quadColor[3], dest[3]);
   }

   /* pass quad to next stage */
   qs->next->run(qs->next, quad);
}

struct quad_stage* sp_quad_colormask_stage

(

struct softpipe_context *

softpipe

)

[read]

Definition at line 106 of file sp_quad_colormask.c.

References quad_stage::begin, CALLOC_STRUCT, colormask_begin(), colormask_destroy(), colormask_quad(), quad_stage::destroy, quad_stage::run, and quad_stage::softpipe.

{
   struct quad_stage *stage = CALLOC_STRUCT(quad_stage);

   stage->softpipe = softpipe;
   stage->begin = colormask_begin;
   stage->run = colormask_quad;
   stage->destroy = colormask_destroy;

   return stage;
}

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