xserver xkeyboard-config libX11 mesa git update 15 April 2011

4 files changed, 275 insertions, 2 deletions

diff --git a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
index 03f58bf0f..fdb7770e4 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_readpixels.c
@@ -201,7 +201,8 @@ st_fast_readpixels(struct gl_context *ctx, struct st_renderbuffer *strb,
    enum combination {
       A8R8G8B8_UNORM_TO_RGBA_UBYTE,
       A8R8G8B8_UNORM_TO_RGB_UBYTE,
-      A8R8G8B8_UNORM_TO_BGRA_UINT
+      A8R8G8B8_UNORM_TO_BGRA_UINT,
+      A8R8G8B8_UNORM_TO_RGBA_UINT
    } combo;
 
    if (ctx->_ImageTransferState)
@@ -219,6 +220,10 @@ st_fast_readpixels(struct gl_context *ctx, struct st_renderbuffer *strb,
             format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV) {
       combo = A8R8G8B8_UNORM_TO_BGRA_UINT;
    }
+   else if (strb->format == PIPE_FORMAT_B8G8R8A8_UNORM &&
+            format == GL_RGBA && type == GL_UNSIGNED_INT_8_8_8_8) {
+      combo = A8R8G8B8_UNORM_TO_RGBA_UINT;
+   }
    else {
       return GL_FALSE;
    }
@@ -305,6 +310,20 @@ st_fast_readpixels(struct gl_context *ctx, struct st_renderbuffer *strb,
             y += dy;
          }
          break;
+      case A8R8G8B8_UNORM_TO_RGBA_UINT:
+         for (row = 0; row < height; row++) {
+            const GLubyte *src = map + y * trans->stride;
+            for (col = 0; col < width; col++) {
+               GLuint pixel = ((GLuint *) src)[col];
+               dst[col*4+0] = (pixel >> 24) & 0xff;
+               dst[col*4+1] = (pixel >> 0) & 0xff;
+               dst[col*4+2] = (pixel >> 8) & 0xff;
+               dst[col*4+3] = (pixel >> 16) & 0xff;
+            }
+            dst += dstStride;
+            y += dy;
+         }
+         break;
       default:
          ; /* nothing */
       }
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 914c06b70..43c24ae95 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -600,7 +600,12 @@ st_TexImage(struct gl_context * ctx,
     * memory or malloc space for it.
     */
    if (stImage->pt) {
-      /* Store the image in the gallium texture memory buffer */
+      if (!pixels) {
+         /* We've allocated texture resource, but have no pixel data - all done. */
+         goto done;
+      }
+
+      /* Store the image in the gallium transfer object */
       if (format == GL_DEPTH_COMPONENT &&
           util_format_is_depth_and_stencil(stImage->pt->format))
          transfer_usage = PIPE_TRANSFER_READ_WRITE;
diff --git a/mesalib/src/mesa/state_tracker/st_extensions.c b/mesalib/src/mesa/state_tracker/st_extensions.c
index 9bc9d7a10..bdc08949d 100644
--- a/mesalib/src/mesa/state_tracker/st_extensions.c
+++ b/mesalib/src/mesa/state_tracker/st_extensions.c
@@ -382,6 +382,18 @@ void st_init_extensions(struct st_context *st)
       ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
    }
 
+   /* float support - assume nothing exclusively supports 64-bit floats */
+   if (screen->is_format_supported(screen, PIPE_FORMAT_R32G32B32A32_FLOAT,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW |
+                                   PIPE_BIND_RENDER_TARGET) &&
+      screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_FLOAT,
+                                   PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW |
+                                   PIPE_BIND_RENDER_TARGET)) {
+      ctx->Extensions.ARB_texture_float = GL_TRUE;
+   }
+
    /* sRGB support */
    if (screen->is_format_supported(screen, PIPE_FORMAT_A8B8G8R8_SRGB,
                                    PIPE_TEXTURE_2D, 0,
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 957a06c08..8e50dbda6 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -214,6 +214,39 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
    case MESA_FORMAT_SARGB8:
       return PIPE_FORMAT_B8G8R8A8_SRGB;
 #endif
+   case MESA_FORMAT_RGBA_FLOAT32:
+      return PIPE_FORMAT_R32G32B32A32_FLOAT;
+   case MESA_FORMAT_RGBA_FLOAT16:
+      return PIPE_FORMAT_R16G16B16A16_FLOAT;
+   case MESA_FORMAT_RGB_FLOAT32:
+      return PIPE_FORMAT_R32G32B32_FLOAT;
+   case MESA_FORMAT_RGB_FLOAT16:
+      return PIPE_FORMAT_R16G16B16_FLOAT;
+   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+      return PIPE_FORMAT_L32A32_FLOAT;
+   case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+      return PIPE_FORMAT_L16A16_FLOAT;
+   case MESA_FORMAT_LUMINANCE_FLOAT32:
+      return PIPE_FORMAT_L32_FLOAT;
+   case MESA_FORMAT_LUMINANCE_FLOAT16:
+      return PIPE_FORMAT_L16_FLOAT;
+   case MESA_FORMAT_ALPHA_FLOAT32:
+      return PIPE_FORMAT_A32_FLOAT;
+   case MESA_FORMAT_ALPHA_FLOAT16:
+      return PIPE_FORMAT_A16_FLOAT;
+   case MESA_FORMAT_INTENSITY_FLOAT32:
+      return PIPE_FORMAT_I32_FLOAT;
+   case MESA_FORMAT_INTENSITY_FLOAT16:
+      return PIPE_FORMAT_I16_FLOAT;
+   case MESA_FORMAT_R_FLOAT32:
+      return PIPE_FORMAT_R32_FLOAT;
+   case MESA_FORMAT_R_FLOAT16:
+      return PIPE_FORMAT_R16_FLOAT;
+   case MESA_FORMAT_RG_FLOAT32:
+      return PIPE_FORMAT_R32G32_FLOAT;
+   case MESA_FORMAT_RG_FLOAT16:
+      return PIPE_FORMAT_R16G16_FLOAT;
+
    case MESA_FORMAT_R8:
       return PIPE_FORMAT_R8_UNORM;
    case MESA_FORMAT_R16:
@@ -403,6 +436,38 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
    case PIPE_FORMAT_B8G8R8A8_SRGB:
       return MESA_FORMAT_SARGB8;
 #endif
+   case PIPE_FORMAT_R32G32B32A32_FLOAT:
+      return MESA_FORMAT_RGBA_FLOAT32;
+   case PIPE_FORMAT_R16G16B16A16_FLOAT:
+      return MESA_FORMAT_RGBA_FLOAT16;
+   case PIPE_FORMAT_R32G32B32_FLOAT:
+      return MESA_FORMAT_RGB_FLOAT32;
+   case PIPE_FORMAT_R16G16B16_FLOAT:
+      return MESA_FORMAT_RGB_FLOAT16;
+   case PIPE_FORMAT_L32A32_FLOAT:
+      return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
+   case PIPE_FORMAT_L16A16_FLOAT:
+      return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
+   case PIPE_FORMAT_L32_FLOAT:
+      return MESA_FORMAT_LUMINANCE_FLOAT32;
+   case PIPE_FORMAT_L16_FLOAT:
+      return MESA_FORMAT_LUMINANCE_FLOAT16;
+   case PIPE_FORMAT_A32_FLOAT:
+      return MESA_FORMAT_ALPHA_FLOAT32;
+   case PIPE_FORMAT_A16_FLOAT:
+      return MESA_FORMAT_ALPHA_FLOAT16;
+   case PIPE_FORMAT_I32_FLOAT:
+      return MESA_FORMAT_INTENSITY_FLOAT32;
+   case PIPE_FORMAT_I16_FLOAT:
+      return MESA_FORMAT_INTENSITY_FLOAT16;
+   case PIPE_FORMAT_R32_FLOAT:
+      return MESA_FORMAT_R_FLOAT32;
+   case PIPE_FORMAT_R16_FLOAT:
+      return MESA_FORMAT_R_FLOAT16;
+   case PIPE_FORMAT_R32G32_FLOAT:
+      return MESA_FORMAT_RG_FLOAT32;
+   case PIPE_FORMAT_R16G16_FLOAT:
+      return MESA_FORMAT_RG_FLOAT16;
 
    case PIPE_FORMAT_R8_UNORM:
       return MESA_FORMAT_R8;
@@ -887,6 +952,178 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
          return PIPE_FORMAT_L8_SRGB;
       return default_srgba_format( screen, target, sample_count, bindings);
 
+   /* prefer formats in order of data size, choosing 16-bit ones if equal sized */
+   case GL_RGBA16F_ARB:
+   case GL_RGB16F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_LUMINANCE_ALPHA16F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_ALPHA16F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_A16_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_A32_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_INTENSITY16F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_I16_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_I32_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_LUMINANCE16F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_L16_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_L32_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_R16F:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_R16_FLOAT,
+               PIPE_FORMAT_R16G16_FLOAT,
+               PIPE_FORMAT_R32_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_R32G32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_RG16F:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_R16G16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT,
+               PIPE_FORMAT_R32G32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+
+   /* try a 32-bit format if available, otherwise fallback to a 16-bit one */
+   case GL_RGBA32F_ARB:
+   case GL_RGB32F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_LUMINANCE_ALPHA32F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_ALPHA32F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_A32_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_A16_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_INTENSITY32F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_I32_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_I16_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_LUMINANCE32F_ARB:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_L32_FLOAT,
+               PIPE_FORMAT_L32A32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_L16_FLOAT,
+               PIPE_FORMAT_L16A16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_R32F:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_R32_FLOAT,
+               PIPE_FORMAT_R32G32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_R16_FLOAT,
+               PIPE_FORMAT_R16G16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+   case GL_RG32F:
+      {
+         static const enum pipe_format formats[] = {
+               PIPE_FORMAT_R32G32_FLOAT,
+               PIPE_FORMAT_R32G32B32A32_FLOAT,
+               PIPE_FORMAT_R16G16_FLOAT,
+               PIPE_FORMAT_R16G16B16A16_FLOAT
+         };
+         return find_supported_format(screen, formats, Elements(formats),
+               target, sample_count, bindings);
+      }
+
    case GL_RED:
    case GL_R8:
       if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,