1 files changed, 304 insertions, 44 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c
index af4ae05fb4..c708ac3170 100644
--- a/src/gallium/state_trackers/xorg/xorg_composite.c
+++ b/src/gallium/state_trackers/xorg/xorg_composite.c
@@ -2,9 +2,10 @@
 
 #include "xorg_exa_tgsi.h"
 
-#include <cso_cache/cso_context.h>
+#include "cso_cache/cso_context.h"
+#include "util/u_draw_quad.h"
 
-#include <pipe/p_inlines.h>
+#include "pipe/p_inlines.h"
 
 struct xorg_composite_blend {
    int op:8;
@@ -39,6 +40,24 @@ static const struct xorg_composite_blend xorg_blends[] = {
      PIPE_BLENDFACTOR_INV_SRC_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA },
 };
 
+static INLINE void
+pixel_to_float4(PictFormatPtr format,
+                CARD32 pixel, float *color)
+{
+   CARD32	    r, g, b, a;
+
+   debug_assert(format->type == PictTypeDirect);
+
+   r = (pixel >> format->direct.red) & format->direct.redMask;
+   g = (pixel >> format->direct.green) & format->direct.greenMask;
+   b = (pixel >> format->direct.blue) & format->direct.blueMask;
+   a = (pixel >> format->direct.alpha) & format->direct.alphaMask;
+   color[0] = ((float)r) / ((float)format->direct.redMask);
+   color[1] = ((float)g) / ((float)format->direct.greenMask);
+   color[2] = ((float)b) / ((float)format->direct.blueMask);
+   color[3] = ((float)a) / ((float)format->direct.alphaMask);
+}
+
 struct acceleration_info {
    int op : 16;
    int with_mask : 1;
@@ -75,19 +94,168 @@ blend_for_op(int op)
    return xorg_blends[BLEND_OP_OVER];
 }
 
-static void
-draw_texture(struct exa_context *exa)
+static INLINE int
+render_repeat_to_gallium(int mode)
 {
-#if 0
-   if (buf) {
-      util_draw_vertex_buffer(pipe, buf, 0,
-                              PIPE_PRIM_TRIANGLE_FAN,
-                              4,  /* verts */
-                              2); /* attribs/vert */
-
-      pipe_buffer_reference(&buf, NULL);
+   switch(mode) {
+   case RepeatNone:
+      return PIPE_TEX_WRAP_CLAMP;
+   case RepeatNormal:
+      return PIPE_TEX_WRAP_REPEAT;
+   case RepeatReflect:
+      return PIPE_TEX_WRAP_MIRROR_REPEAT;
+   case RepeatPad:
+      return PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+   default:
+      debug_printf("Unsupported repeat mode\n");
    }
-#endif
+   return PIPE_TEX_WRAP_REPEAT;
+}
+
+
+static INLINE void
+setup_vertex0(float vertex[2][4], float x, float y,
+              float color[4])
+{
+   vertex[0][0] = x;
+   vertex[0][1] = y;
+   vertex[0][2] = 0.f; /*z*/
+   vertex[0][3] = 1.f; /*w*/
+
+   vertex[1][0] = color[0]; /*r*/
+   vertex[1][1] = color[1]; /*g*/
+   vertex[1][2] = color[2]; /*b*/
+   vertex[1][3] = color[3]; /*a*/
+}
+
+static struct pipe_buffer *
+setup_vertex_data0(struct exa_context *ctx,
+                   int srcX, int srcY, int maskX, int maskY,
+                   int dstX, int dstY, int width, int height)
+{
+   float vertices[4][2][4];
+
+   /* 1st vertex */
+   setup_vertex0(vertices[0], dstX, dstY,
+                 ctx->solid_color);
+   /* 2nd vertex */
+   setup_vertex0(vertices[1], dstX + width, dstY,
+                 ctx->solid_color);
+   /* 3rd vertex */
+   setup_vertex0(vertices[2], dstX + width, dstY + height,
+                 ctx->solid_color);
+   /* 4th vertex */
+   setup_vertex0(vertices[3], dstX, dstY + height,
+                 ctx->solid_color);
+
+   return pipe_user_buffer_create(ctx->ctx->screen,
+                                  vertices,
+                                  sizeof(vertices));
+}
+
+static INLINE void
+setup_vertex1(float vertex[2][4], float x, float y, float s, float t)
+{
+   vertex[0][0] = x;
+   vertex[0][1] = y;
+   vertex[0][2] = 0.f; /*z*/
+   vertex[0][3] = 1.f; /*w*/
+
+   vertex[1][0] = s;   /*s*/
+   vertex[1][1] = t;   /*t*/
+   vertex[1][2] = 0.f; /*r*/
+   vertex[1][3] = 1.f; /*q*/
+}
+
+static struct pipe_buffer *
+setup_vertex_data1(struct exa_context *ctx,
+                   int srcX, int srcY, int maskX, int maskY,
+                   int dstX, int dstY, int width, int height)
+{
+   float vertices[4][2][4];
+   float s0, t0, s1, t1;
+   struct pipe_texture *src = ctx->bound_textures[0];
+
+   s0 = srcX / src->width[0];
+   s1 = srcX + width / src->width[0];
+   t0 = srcY / src->height[0];
+   t1 = srcY + height / src->height[0];
+
+   /* 1st vertex */
+   setup_vertex1(vertices[0], dstX, dstY,
+                 s0, t0);
+   /* 2nd vertex */
+   setup_vertex1(vertices[1], dstX + width, dstY,
+                 s1, t0);
+   /* 3rd vertex */
+   setup_vertex1(vertices[2], dstX + width, dstY + height,
+                 s1, t1);
+   /* 4th vertex */
+   setup_vertex1(vertices[3], dstX, dstY + height,
+                 s0, t1);
+
+   return pipe_user_buffer_create(ctx->ctx->screen,
+                                  vertices,
+                                  sizeof(vertices));
+}
+
+
+static INLINE void
+setup_vertex2(float vertex[3][4], float x, float y,
+              float s0, float t0, float s1, float t1)
+{
+   vertex[0][0] = x;
+   vertex[0][1] = y;
+   vertex[0][2] = 0.f; /*z*/
+   vertex[0][3] = 1.f; /*w*/
+
+   vertex[1][0] = s0;  /*s*/
+   vertex[1][1] = t0;  /*t*/
+   vertex[1][2] = 0.f; /*r*/
+   vertex[1][3] = 1.f; /*q*/
+
+   vertex[2][0] = s1;  /*s*/
+   vertex[2][1] = t1;  /*t*/
+   vertex[2][2] = 0.f; /*r*/
+   vertex[2][3] = 1.f; /*q*/
+}
+
+static struct pipe_buffer *
+setup_vertex_data2(struct exa_context *ctx,
+                   int srcX, int srcY, int maskX, int maskY,
+                   int dstX, int dstY, int width, int height)
+{
+   float vertices[4][3][4];
+   float st0[4], st1[4];
+   struct pipe_texture *src = ctx->bound_textures[0];
+   struct pipe_texture *mask = ctx->bound_textures[0];
+
+   st0[0] = srcX / src->width[0];
+   st0[1] = srcY / src->height[0];
+   st0[2] = srcX + width / src->width[0];
+   st0[3] = srcY + height / src->height[0];
+
+   st1[0] = maskX / mask->width[0];
+   st1[1] = maskY / mask->height[0];
+   st1[2] = maskX + width / mask->width[0];
+   st1[3] = maskY + height / mask->height[0];
+
+   /* 1st vertex */
+   setup_vertex2(vertices[0], dstX, dstY,
+                 st0[0], st0[1], st1[0], st1[1]);
+   /* 2nd vertex */
+   setup_vertex2(vertices[1], dstX + width, dstY,
+                 st0[2], st0[1], st1[2], st1[1]);
+   /* 3rd vertex */
+   setup_vertex2(vertices[2], dstX + width, dstY + height,
+                 st0[2], st0[3], st1[2], st1[3]);
+   /* 4th vertex */
+   setup_vertex2(vertices[3], dstX, dstY + height,
+                 st0[0], st0[3], st1[0], st1[3]);
+
+   return pipe_user_buffer_create(ctx->ctx->screen,
+                                  vertices,
+                                  sizeof(vertices));
 }
 
 boolean xorg_composite_accelerated(int op,
@@ -172,27 +340,10 @@ set_viewport(struct exa_context *exa, int width, int height,
 static void
 bind_viewport_state(struct exa_context *exa, PicturePtr pDstPicture)
 {
-   const int param_bytes = 8 * sizeof(float);
    int width = pDstPicture->pDrawable->width;
    int height = pDstPicture->pDrawable->height;
-   float vs_consts[8] = {
-      2.f/width, 2.f/height, 1, 1,
-      -1, -1, 0, 0
-   };
-   struct pipe_constant_buffer *cbuf = &exa->vs_const_buffer;
-
-   set_viewport(exa, width, height, Y0_BOTTOM);
-
-   pipe_buffer_reference(&cbuf->buffer, NULL);
-   cbuf->buffer = pipe_buffer_create(exa->ctx->screen, 16,
-                                     PIPE_BUFFER_USAGE_CONSTANT,
-                                     param_bytes);
 
-   if (cbuf->buffer) {
-      pipe_buffer_write(exa->ctx->screen, cbuf->buffer,
-                        0, param_bytes, vs_consts);
-   }
-   exa->ctx->set_constant_buffer(exa->ctx, PIPE_SHADER_VERTEX, 0, cbuf);
+   set_viewport(exa, width, height, Y0_TOP);
 }
 
 static void
@@ -240,8 +391,20 @@ bind_shaders(struct exa_context *exa, int op,
    struct xorg_shader shader;
 
    if (pSrcPicture) {
-      vs_traits |= VS_COMPOSITE;
-      fs_traits |= FS_COMPOSITE;
+      if (pSrcPicture->pSourcePict) {
+         if (pSrcPicture->pSourcePict->type == SourcePictTypeSolidFill) {
+            fs_traits |= FS_SOLID_FILL;
+            vs_traits |= VS_SOLID_FILL;
+            pixel_to_float4(pSrcPicture->pFormat,
+                            pSrcPicture->pSourcePict->solidFill.color,
+                            exa->solid_color);
+         } else {
+            debug_assert("!gradients not supported");
+         }
+      } else {
+         fs_traits |= FS_COMPOSITE;
+         vs_traits |= VS_COMPOSITE;
+      }
    }
 
    if (pMaskPicture) {
@@ -264,35 +427,98 @@ bind_samplers(struct exa_context *exa, int op,
               struct exa_pixmap_priv *pDst)
 {
    struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
-   struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
    struct pipe_sampler_state src_sampler, mask_sampler;
 
+   exa->num_bound_samplers = 0;
+
    memset(&src_sampler, 0, sizeof(struct pipe_sampler_state));
    memset(&mask_sampler, 0, sizeof(struct pipe_sampler_state));
 
    if (pSrcPicture && pSrc) {
-      src_sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-      src_sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+      unsigned src_wrap = render_repeat_to_gallium(
+         pSrcPicture->repeatType);
+      src_sampler.wrap_s = src_wrap;
+      src_sampler.wrap_t = src_wrap;
       src_sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
       src_sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
       src_sampler.normalized_coords = 1;
       samplers[0] = &src_sampler;
-      textures[0] = pSrc->tex;
+      exa->bound_textures[0] = pSrc->tex;
+      ++exa->num_bound_samplers;
    }
 
    if (pMaskPicture && pMask) {
-      mask_sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
-      mask_sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+      unsigned mask_wrap = render_repeat_to_gallium(
+         pMaskPicture->repeatType);
+      mask_sampler.wrap_s = mask_wrap;
+      mask_sampler.wrap_t = mask_wrap;
       mask_sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
       mask_sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST;
       mask_sampler.normalized_coords = 1;
       samplers[1] = &mask_sampler;
-      textures[1] = pMask->tex;
+      exa->bound_textures[1] = pMask->tex;
+      ++exa->num_bound_samplers;
    }
 
-   cso_set_samplers(exa->cso, 3,
+   cso_set_samplers(exa->cso, exa->num_bound_samplers,
                     (const struct pipe_sampler_state **)samplers);
-   cso_set_sampler_textures(exa->cso, 3, textures);
+   cso_set_sampler_textures(exa->cso, exa->num_bound_samplers,
+                            exa->bound_textures);
+}
+
+static void
+setup_vs_constant_buffer(struct exa_context *exa,
+                         int width, int height)
+{
+   const int param_bytes = 8 * sizeof(float);
+   float vs_consts[8] = {
+      2.f/width, 2.f/height, 1, 1,
+      -1, -1, 0, 0
+   };
+   struct pipe_constant_buffer *cbuf = &exa->vs_const_buffer;
+
+   pipe_buffer_reference(&cbuf->buffer, NULL);
+   cbuf->buffer = pipe_buffer_create(exa->ctx->screen, 16,
+                                     PIPE_BUFFER_USAGE_CONSTANT,
+                                     param_bytes);
+
+   if (cbuf->buffer) {
+      pipe_buffer_write(exa->ctx->screen, cbuf->buffer,
+                        0, param_bytes, vs_consts);
+   }
+   exa->ctx->set_constant_buffer(exa->ctx, PIPE_SHADER_VERTEX, 0, cbuf);
+}
+
+
+static void
+setup_fs_constant_buffer(struct exa_context *exa)
+{
+   const int param_bytes = 4 * sizeof(float);
+   float fs_consts[8] = {
+      0, 0, 0, 1,
+   };
+   struct pipe_constant_buffer *cbuf = &exa->fs_const_buffer;
+
+   pipe_buffer_reference(&cbuf->buffer, NULL);
+   cbuf->buffer = pipe_buffer_create(exa->ctx->screen, 16,
+                                     PIPE_BUFFER_USAGE_CONSTANT,
+                                     param_bytes);
+
+   if (cbuf->buffer) {
+      pipe_buffer_write(exa->ctx->screen, cbuf->buffer,
+                        0, param_bytes, fs_consts);
+   }
+   exa->ctx->set_constant_buffer(exa->ctx, PIPE_SHADER_FRAGMENT, 0, cbuf);
+}
+
+static void
+setup_constant_buffers(struct exa_context *exa, PicturePtr pDstPicture)
+{
+   int width = pDstPicture->pDrawable->width;
+   int height = pDstPicture->pDrawable->height;
+
+   setup_vs_constant_buffer(exa, width, height);
+   setup_fs_constant_buffer(exa);
 }
 
 boolean xorg_composite_bind_state(struct exa_context *exa,
@@ -309,8 +535,10 @@ boolean xorg_composite_bind_state(struct exa_context *exa,
    bind_blend_state(exa, op, pSrcPicture, pMaskPicture);
    bind_rasterizer_state(exa);
    bind_shaders(exa, op, pSrcPicture, pMaskPicture);
-   bind_samplers(exa, op, pSrcPicture, pMaskPicture, pDstPicture,
-                 pSrc, pMask, pDst);
+   bind_samplers(exa, op, pSrcPicture, pMaskPicture,
+                 pDstPicture, pSrc, pMask, pDst);
+
+   setup_constant_buffers(exa, pDstPicture);
 
    return FALSE;
 }
@@ -320,5 +548,37 @@ void xorg_composite(struct exa_context *exa,
                     int srcX, int srcY, int maskX, int maskY,
                     int dstX, int dstY, int width, int height)
 {
+   struct pipe_context *pipe = exa->ctx;
+   struct pipe_buffer *buf = 0;
+
+   if (exa->num_bound_samplers == 0 ) { /* solid fill */
+      buf = setup_vertex_data0(exa,
+                               srcX, srcY, maskX, maskY,
+                               dstX, dstY, width, height);
+   } else if (exa->num_bound_samplers == 1 ) /* src */
+      buf = setup_vertex_data1(exa,
+                               srcX, srcY, maskX, maskY,
+                               dstX, dstY, width, height);
+   else if (exa->num_bound_samplers == 2) /* src + mask */
+      buf = setup_vertex_data2(exa,
+                               srcX, srcY, maskX, maskY,
+                               dstX, dstY, width, height);
+   else if (exa->num_bound_samplers == 3) { /* src + mask + dst */
+      debug_assert(!"src/mask/dst not handled right now");
+#if 0
+      buf = setup_vertex_data2(exa,
+                               srcX, srcY, maskX, maskY,
+                               dstX, dstY, width, height);
+#endif
+   }
+
+   if (buf) {
+      util_draw_vertex_buffer(pipe, buf, 0,
+                              PIPE_PRIM_TRIANGLE_FAN,
+                              4,  /* verts */
+                              1 + exa->num_bound_samplers); /* attribs/vert */
+
+      pipe_buffer_reference(&buf, NULL);
+   }
 }