r300: export translateTexFormat function
[mesa.git] / src / mesa / drivers / dri / r300 / r300_texstate.c
index f6ae4b675b860f3fc474a30b63f10d7d07dbfb3e..6db56ba618f801bab66f19f3eb9252a55ab6b50b 100644 (file)
@@ -39,26 +39,17 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "main/imports.h"
 #include "main/context.h"
 #include "main/macros.h"
-#include "main/texformat.h"
 #include "main/teximage.h"
 #include "main/texobj.h"
 #include "main/enums.h"
+#include "main/simple_list.h"
 
 #include "r300_context.h"
 #include "r300_state.h"
-#include "r300_ioctl.h"
-#include "radeon_ioctl.h"
+#include "radeon_mipmap_tree.h"
 #include "r300_tex.h"
 #include "r300_reg.h"
 
-#define VALID_FORMAT(f) ( ((f) <= MESA_FORMAT_RGBA_DXT5                        \
-                          || ((f) >= MESA_FORMAT_RGBA_FLOAT32 &&       \
-                              (f) <= MESA_FORMAT_INTENSITY_FLOAT16))   \
-                         && tx_table[f].flag )
-
-#define _ASSIGN(entry, format)                         \
-       [ MESA_FORMAT_ ## entry ] = { format, 0, 1}
-
 /*
  * Note that the _REV formats are the same as the non-REV formats.  This is
  * because the REV and non-REV formats are identical as a byte string, but
@@ -68,61 +59,119 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  * identically.  -- paulus
  */
 
-static const struct tx_table {
-       GLuint format, filter, flag;
-} tx_table[] = {
-       /* *INDENT-OFF* */
+uint32_t r300TranslateTexFormat(gl_format mesaFormat)
+{
+       switch (mesaFormat)
+       {
 #ifdef MESA_LITTLE_ENDIAN
-       _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)),
-       _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)),
-       _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)),
-       _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)),
+               case MESA_FORMAT_RGBA8888:
+                       return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8);
+               case MESA_FORMAT_RGBA8888_REV:
+                       return R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8);
+               case MESA_FORMAT_ARGB8888:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+               case MESA_FORMAT_ARGB8888_REV:
+                       return R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8);
 #else
-       _ASSIGN(RGBA8888, R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8)),
-       _ASSIGN(RGBA8888_REV, R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8)),
-       _ASSIGN(ARGB8888, R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8)),
-       _ASSIGN(ARGB8888_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8)),
+               case MESA_FORMAT_RGBA8888:
+                       return R300_EASY_TX_FORMAT(Z, Y, X, W, W8Z8Y8X8);
+               case MESA_FORMAT_RGBA8888_REV:
+                       return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8);
+               case MESA_FORMAT_ARGB8888:
+                       return R300_EASY_TX_FORMAT(W, Z, Y, X, W8Z8Y8X8);
+               case MESA_FORMAT_ARGB8888_REV:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
 #endif
-       _ASSIGN(RGB888, R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8)),
-       _ASSIGN(RGB565, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
-       _ASSIGN(RGB565_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5)),
-       _ASSIGN(ARGB4444, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
-       _ASSIGN(ARGB4444_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4)),
-       _ASSIGN(ARGB1555, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
-       _ASSIGN(ARGB1555_REV, R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5)),
-       _ASSIGN(AL88, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
-       _ASSIGN(AL88_REV, R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8)),
-       _ASSIGN(RGB332, R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z3Y3X2)),
-       _ASSIGN(A8, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8)),
-       _ASSIGN(L8, R300_EASY_TX_FORMAT(X, X, X, ONE, X8)),
-       _ASSIGN(I8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
-       _ASSIGN(CI8, R300_EASY_TX_FORMAT(X, X, X, X, X8)),
-       _ASSIGN(YCBCR, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8) | R300_TX_FORMAT_YUV_MODE),
-       _ASSIGN(YCBCR_REV, R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8) | R300_TX_FORMAT_YUV_MODE),
-       _ASSIGN(RGB_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1)),
-       _ASSIGN(RGBA_DXT1, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1)),
-       _ASSIGN(RGBA_DXT3, R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3)),
-       _ASSIGN(RGBA_DXT5, R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5)),
-       _ASSIGN(RGBA_FLOAT32, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R32G32B32A32)),
-       _ASSIGN(RGBA_FLOAT16, R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R16G16B16A16)),
-       _ASSIGN(RGB_FLOAT32, 0xffffffff),
-       _ASSIGN(RGB_FLOAT16, 0xffffffff),
-       _ASSIGN(ALPHA_FLOAT32, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I32)),
-       _ASSIGN(ALPHA_FLOAT16, R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I16)),
-       _ASSIGN(LUMINANCE_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I32)),
-       _ASSIGN(LUMINANCE_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I16)),
-       _ASSIGN(LUMINANCE_ALPHA_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I32A32)),
-       _ASSIGN(LUMINANCE_ALPHA_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16)),
-       _ASSIGN(INTENSITY_FLOAT32, R300_EASY_TX_FORMAT(X, X, X, X, FL_I32)),
-       _ASSIGN(INTENSITY_FLOAT16, R300_EASY_TX_FORMAT(X, X, X, X, FL_I16)),
-       _ASSIGN(Z16, R300_EASY_TX_FORMAT(X, X, X, X, X16)),
-       _ASSIGN(Z24_S8, R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8)),
-       _ASSIGN(Z32, R300_EASY_TX_FORMAT(X, X, X, X, X32)),
-       /* *INDENT-ON* */
+               case MESA_FORMAT_XRGB8888:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+               case MESA_FORMAT_RGB888:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+               case MESA_FORMAT_RGB565:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+               case MESA_FORMAT_RGB565_REV:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+               case MESA_FORMAT_ARGB4444:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4);
+               case MESA_FORMAT_ARGB4444_REV:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4);
+               case MESA_FORMAT_ARGB1555:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5);
+               case MESA_FORMAT_ARGB1555_REV:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5);
+               case MESA_FORMAT_AL88:
+                       return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8);
+               case MESA_FORMAT_AL88_REV:
+                       return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8);
+               case MESA_FORMAT_RGB332:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z3Y3X2);
+               case MESA_FORMAT_A8:
+                       return R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8);
+               case MESA_FORMAT_L8:
+                       return R300_EASY_TX_FORMAT(X, X, X, ONE, X8);
+               case MESA_FORMAT_I8:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, X8);
+               case MESA_FORMAT_CI8:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, X8);
+               case MESA_FORMAT_YCBCR:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8) | R300_TX_FORMAT_YUV_MODE;
+               case MESA_FORMAT_YCBCR_REV:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, G8R8_G8B8) | R300_TX_FORMAT_YUV_MODE;
+               case MESA_FORMAT_RGB_DXT1:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1);
+               case MESA_FORMAT_RGBA_DXT1:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1);
+               case MESA_FORMAT_RGBA_DXT3:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3);
+               case MESA_FORMAT_RGBA_DXT5:
+                       return R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5);
+               case MESA_FORMAT_RGBA_FLOAT32:
+                       return R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R32G32B32A32);
+               case MESA_FORMAT_RGBA_FLOAT16:
+                       return R300_EASY_TX_FORMAT(Z, Y, X, W, FL_R16G16B16A16);
+               case MESA_FORMAT_ALPHA_FLOAT32:
+                       return R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I32);
+               case MESA_FORMAT_ALPHA_FLOAT16:
+                       return R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, FL_I16);
+               case MESA_FORMAT_LUMINANCE_FLOAT32:
+                       return R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I32);
+               case MESA_FORMAT_LUMINANCE_FLOAT16:
+                       return R300_EASY_TX_FORMAT(X, X, X, ONE, FL_I16);
+               case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+                       return R300_EASY_TX_FORMAT(X, X, X, Y, FL_I32A32);
+               case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+                       return R300_EASY_TX_FORMAT(X, X, X, Y, FL_I16A16);
+               case MESA_FORMAT_INTENSITY_FLOAT32:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, FL_I32);
+               case MESA_FORMAT_INTENSITY_FLOAT16:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, FL_I16);
+               case MESA_FORMAT_Z16:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, X16);
+               case MESA_FORMAT_Z24_S8:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, X24_Y8);
+               case MESA_FORMAT_S8_Z24:
+                       return R300_EASY_TX_FORMAT(Y, Y, Y, Y, X24_Y8);
+               case MESA_FORMAT_Z32:
+                       return R300_EASY_TX_FORMAT(X, X, X, X, X32);
+               /* EXT_texture_sRGB */
+               case MESA_FORMAT_SRGBA8:
+                       return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8) | R300_TX_FORMAT_GAMMA;
+               case MESA_FORMAT_SLA8:
+                       return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8) | R300_TX_FORMAT_GAMMA;
+               case MESA_FORMAT_SL8:
+                       return R300_EASY_TX_FORMAT(X, X, X, ONE, X8) | R300_TX_FORMAT_GAMMA;
+               case MESA_FORMAT_SRGB_DXT1:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1) | R300_TX_FORMAT_GAMMA;
+               case MESA_FORMAT_SRGBA_DXT1:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1) | R300_TX_FORMAT_GAMMA;
+               case MESA_FORMAT_SRGBA_DXT3:
+                       return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3) | R300_TX_FORMAT_GAMMA;
+               case MESA_FORMAT_SRGBA_DXT5:
+                       return R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5) | R300_TX_FORMAT_GAMMA;
+               default:
+                       return 0;
+       }
 };
 
-#undef _ASSIGN
-
 void r300SetDepthTexMode(struct gl_texture_object *tObj)
 {
        static const GLuint formats[3][3] = {
@@ -143,19 +192,18 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
                },
        };
        const GLuint *format;
-       r300TexObjPtr t;
+       radeonTexObjPtr t;
 
        if (!tObj)
                return;
 
-       t = (r300TexObjPtr) tObj->DriverData;
-
+       t = radeon_tex_obj(tObj);
 
-       switch (tObj->Image[0][tObj->BaseLevel]->TexFormat->MesaFormat) {
+       switch (tObj->Image[0][tObj->BaseLevel]->TexFormat) {
        case MESA_FORMAT_Z16:
                format = formats[0];
                break;
-       case MESA_FORMAT_Z24_S8:
+       case MESA_FORMAT_S8_Z24:
                format = formats[1];
                break;
        case MESA_FORMAT_Z32:
@@ -171,13 +219,13 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
 
        switch (tObj->DepthMode) {
        case GL_LUMINANCE:
-               t->format = format[0];
+               t->pp_txformat = format[0];
                break;
        case GL_INTENSITY:
-               t->format = format[1];
+               t->pp_txformat = format[1];
                break;
        case GL_ALPHA:
-               t->format = format[2];
+               t->pp_txformat = format[2];
                break;
        default:
                /* Error...which should have already been caught by higher
@@ -190,486 +238,287 @@ void r300SetDepthTexMode(struct gl_texture_object *tObj)
 
 
 /**
- * Compute sizes and fill in offset and blit information for the given
- * image (determined by \p face and \p level).
+ * Compute the cached hardware register values for the given texture object.
  *
- * \param curOffset points to the offset at which the image is to be stored
- * and is updated by this function according to the size of the image.
+ * \param rmesa Context pointer
+ * \param t the r300 texture object
  */
-static void compute_tex_image_offset(
-       struct gl_texture_object *tObj,
-       GLuint face,
-       GLint level,
-       GLint* curOffset)
+static void setup_hardware_state(r300ContextPtr rmesa, radeonTexObj *t)
 {
-       r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-       const struct gl_texture_image* texImage;
-       GLuint blitWidth = R300_BLIT_WIDTH_BYTES;
-       GLuint texelBytes;
-       GLuint size;
-
-       texImage = tObj->Image[0][level + t->base.firstLevel];
-       if (!texImage)
-               return;
+       const struct gl_texture_image *firstImage;
+       firstImage = t->base.Image[0][t->minLod];
 
-       texelBytes = texImage->TexFormat->TexelBytes;
-
-       /* find image size in bytes */
-       if (texImage->IsCompressed) {
-               if ((t->format & R300_TX_FORMAT_DXT1) ==
-                       R300_TX_FORMAT_DXT1) {
-                       // fprintf(stderr,"DXT 1 %d %08X\n", texImage->Width, t->format);
-                       if ((texImage->Width + 3) < 8)  /* width one block */
-                               size = texImage->CompressedSize * 4;
-                       else if ((texImage->Width + 3) < 16)
-                               size = texImage->CompressedSize * 2;
-                       else
-                               size = texImage->CompressedSize;
+       if (!t->image_override) {
+               if (firstImage->_BaseFormat == GL_DEPTH_COMPONENT) {
+                       r300SetDepthTexMode(&t->base);
                } else {
-                       /* DXT3/5, 16 bytes per block */
-                       WARN_ONCE
-                               ("DXT 3/5 suffers from multitexturing problems!\n");
-                       // fprintf(stderr,"DXT 3/5 %d\n", texImage->Width);
-                       if ((texImage->Width + 3) < 8)
-                               size = texImage->CompressedSize * 2;
-                       else
-                               size = texImage->CompressedSize;
+                       t->pp_txformat = r300TranslateTexFormat(firstImage->TexFormat);
+                       if (t->pp_txformat == 0) {
+                               _mesa_problem(rmesa->radeon.glCtx, "%s: Invalid format %s",
+                                                         __FUNCTION__, _mesa_get_format_name(firstImage->TexFormat));
+                               _mesa_exit(1);
+                       }
                }
-       } else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
-               size =
-                       ((texImage->Width * texelBytes +
-                       63) & ~63) * texImage->Height;
-               blitWidth = 64 / texelBytes;
-       } else if (t->tile_bits & R300_TXO_MICRO_TILE) {
-               /* tile pattern is 16 bytes x2. mipmaps stay 32 byte aligned,
-                       though the actual offset may be different (if texture is less than
-                       32 bytes width) to the untiled case */
-               int w = (texImage->Width * texelBytes * 2 + 31) & ~31;
-               size =
-                       (w * ((texImage->Height + 1) / 2)) *
-                       texImage->Depth;
-               blitWidth = MAX2(texImage->Width, 64 / texelBytes);
-       } else {
-               int w = (texImage->Width * texelBytes + 31) & ~31;
-               size = w * texImage->Height * texImage->Depth;
-               blitWidth = MAX2(texImage->Width, 64 / texelBytes);
        }
-       assert(size > 0);
-
-       if (RADEON_DEBUG & DEBUG_TEXTURE)
-               fprintf(stderr, "w=%d h=%d d=%d tb=%d intFormat=%d\n",
-                       texImage->Width, texImage->Height,
-                       texImage->Depth,
-                       texImage->TexFormat->TexelBytes,
-                       texImage->InternalFormat);
-
-       /* All images are aligned to a 32-byte offset */
-       *curOffset = (*curOffset + 0x1f) & ~0x1f;
-
-       if (texelBytes) {
-               /* fix x and y coords up later together with offset */
-               t->image[face][level].x = *curOffset;
-               t->image[face][level].y = 0;
-               t->image[face][level].width =
-                       MIN2(size / texelBytes, blitWidth);
-               t->image[face][level].height =
-                       (size / texelBytes) / t->image[face][level].width;
-       } else {
-               t->image[face][level].x = *curOffset % R300_BLIT_WIDTH_BYTES;
-               t->image[face][level].y = *curOffset / R300_BLIT_WIDTH_BYTES;
-               t->image[face][level].width =
-                       MIN2(size, R300_BLIT_WIDTH_BYTES);
-               t->image[face][level].height = size / t->image[face][level].width;
-       }
-
-       if (RADEON_DEBUG & DEBUG_TEXTURE)
-               fprintf(stderr,
-                       "level %d, face %d: %dx%d x=%d y=%d w=%d h=%d size=%d at %d\n",
-                       level, face, texImage->Width, texImage->Height,
-                       t->image[face][level].x, t->image[face][level].y,
-                       t->image[face][level].width, t->image[face][level].height,
-                       size, *curOffset);
-
-       *curOffset += size;
-}
-
 
-
-/**
- * This function computes the number of bytes of storage needed for
- * the given texture object (all mipmap levels, all cube faces).
- * The \c image[face][level].x/y/width/height parameters for upload/blitting
- * are computed here.  \c filter, \c format, etc. will be set here
- * too.
- *
- * \param rmesa Context pointer
- * \param tObj GL texture object whose images are to be posted to
- *                 hardware state.
- */
-static void r300SetTexImages(r300ContextPtr rmesa,
-                            struct gl_texture_object *tObj)
-{
-       r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-       const struct gl_texture_image *baseImage =
-           tObj->Image[0][tObj->BaseLevel];
-       GLint curOffset;
-       GLint i, texelBytes;
-       GLint numLevels;
-       GLint log2Width, log2Height, log2Depth;
-
-       /* Set the hardware texture format
-        */
-       if (!t->image_override
-           && VALID_FORMAT(baseImage->TexFormat->MesaFormat)) {
-               if (baseImage->TexFormat->BaseFormat == GL_DEPTH_COMPONENT) {
-                       r300SetDepthTexMode(tObj);
-               } else {
-                       t->format = tx_table[baseImage->TexFormat->MesaFormat].format;
-               }
-
-               t->filter |= tx_table[baseImage->TexFormat->MesaFormat].filter;
-       } else if (!t->image_override) {
-               _mesa_problem(NULL, "unexpected texture format in %s",
-                             __FUNCTION__);
+       if (t->image_override && t->bo)
                return;
-       }
-
-       texelBytes = baseImage->TexFormat->TexelBytes;
 
-       /* Compute which mipmap levels we really want to send to the hardware.
-        */
-       driCalculateTextureFirstLastLevel((driTextureObject *) t);
-       log2Width = tObj->Image[0][t->base.firstLevel]->WidthLog2;
-       log2Height = tObj->Image[0][t->base.firstLevel]->HeightLog2;
-       log2Depth = tObj->Image[0][t->base.firstLevel]->DepthLog2;
+       t->pp_txsize = (((R300_TX_WIDTHMASK_MASK & ((firstImage->Width - 1) << R300_TX_WIDTHMASK_SHIFT)))
+                       | ((R300_TX_HEIGHTMASK_MASK & ((firstImage->Height - 1) << R300_TX_HEIGHTMASK_SHIFT)))
+                       | ((R300_TX_DEPTHMASK_MASK & ((firstImage->DepthLog2) << R300_TX_DEPTHMASK_SHIFT)))
+                       | ((R300_TX_MAX_MIP_LEVEL_MASK & ((t->maxLod - t->minLod) << R300_TX_MAX_MIP_LEVEL_SHIFT))));
 
-       numLevels = t->base.lastLevel - t->base.firstLevel + 1;
-
-       assert(numLevels <= R300_MAX_TEXTURE_LEVELS);
-
-       /* Calculate mipmap offsets and dimensions for blitting (uploading)
-        * The idea is that we lay out the mipmap levels within a block of
-        * memory organized as a rectangle of width BLIT_WIDTH_BYTES.
-        */
        t->tile_bits = 0;
 
-       /* figure out if this texture is suitable for tiling. */
-#if 0                          /* Disabled for now */
-       if (texelBytes) {
-               if ((tObj->Target != GL_TEXTURE_RECTANGLE_NV) &&
-                   /* texrect might be able to use micro tiling too in theory? */
-                   (baseImage->Height > 1)) {
-
-                       /* allow 32 (bytes) x 1 mip (which will use two times the space
-                          the non-tiled version would use) max if base texture is large enough */
-                       if ((numLevels == 1) ||
-                           (((baseImage->Width * texelBytes /
-                              baseImage->Height) <= 32)
-                            && (baseImage->Width * texelBytes > 64))
-                           ||
-                           ((baseImage->Width * texelBytes /
-                             baseImage->Height) <= 16)) {
-                               t->tile_bits |= R300_TXO_MICRO_TILE;
-                       }
-               }
-
-               if (tObj->Target != GL_TEXTURE_RECTANGLE_NV) {
-                       /* we can set macro tiling even for small textures, they will be untiled anyway */
-                       t->tile_bits |= R300_TXO_MACRO_TILE;
-               }
-       }
-#endif
-
-       curOffset = 0;
-
-       if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
-               ASSERT(log2Width == log2Height);
-               t->format |= R300_TX_FORMAT_CUBIC_MAP;
+       if (t->base.Target == GL_TEXTURE_CUBE_MAP)
+               t->pp_txformat |= R300_TX_FORMAT_CUBIC_MAP;
+       if (t->base.Target == GL_TEXTURE_3D)
+               t->pp_txformat |= R300_TX_FORMAT_3D;
 
-               for(i = 0; i < numLevels; i++) {
-                       GLuint face;
-                       for(face = 0; face < 6; face++)
-                               compute_tex_image_offset(tObj, face, i, &curOffset);
-               }
-       } else {
-               if (tObj->Target == GL_TEXTURE_3D)
-                       t->format |= R300_TX_FORMAT_3D;
-
-               for (i = 0; i < numLevels; i++)
-                       compute_tex_image_offset(tObj, 0, i, &curOffset);
-       }
 
-       /* Align the total size of texture memory block.
-        */
-       t->base.totalSize =
-           (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
-
-       t->size =
-           (((tObj->Image[0][t->base.firstLevel]->Width -
-              1) << R300_TX_WIDTHMASK_SHIFT)
-            | ((tObj->Image[0][t->base.firstLevel]->Height - 1) <<
-               R300_TX_HEIGHTMASK_SHIFT)
-            | ((tObj->Image[0][t->base.firstLevel]->DepthLog2) <<
-               R300_TX_DEPTHMASK_SHIFT))
-           | ((numLevels - 1) << R300_TX_MAX_MIP_LEVEL_SHIFT);
-
-       t->pitch = 0;
-
-       /* Only need to round to nearest 32 for textures, but the blitter
-        * requires 64-byte aligned pitches, and we may/may not need the
-        * blitter.   NPOT only!
-        */
-       if (baseImage->IsCompressed) {
-               t->pitch |=
-                   (tObj->Image[0][t->base.firstLevel]->Width + 63) & ~(63);
-       } else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
-               unsigned int align = (64 / texelBytes) - 1;
-               t->pitch |= ((tObj->Image[0][t->base.firstLevel]->Width *
-                            texelBytes) + 63) & ~(63);
-               t->size |= R300_TX_SIZE_TXPITCH_EN;
+       if (t->base.Target == GL_TEXTURE_RECTANGLE_NV) {
+               unsigned int align = (64 / _mesa_get_format_bytes(firstImage->TexFormat)) - 1;
+               t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
                if (!t->image_override)
-                       t->pitch_reg =
-                           (((tObj->Image[0][t->base.firstLevel]->Width) +
-                             align) & ~align) - 1;
-       } else {
-               t->pitch |=
-                   ((tObj->Image[0][t->base.firstLevel]->Width *
-                     texelBytes) + 63) & ~(63);
+                       t->pp_txpitch = ((firstImage->Width + align) & ~align) - 1;
        }
 
        if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
-           if (tObj->Image[0][t->base.firstLevel]->Width > 2048)
-               t->pitch_reg |= R500_TXWIDTH_BIT11;
-           if (tObj->Image[0][t->base.firstLevel]->Height > 2048)
-               t->pitch_reg |= R500_TXHEIGHT_BIT11;
+           if (firstImage->Width > 2048)
+               t->pp_txpitch |= R500_TXWIDTH_BIT11;
+            else
+               t->pp_txpitch &= ~R500_TXWIDTH_BIT11;
+           if (firstImage->Height > 2048)
+               t->pp_txpitch |= R500_TXHEIGHT_BIT11;
+            else
+               t->pp_txpitch &= ~R500_TXHEIGHT_BIT11;
        }
 }
 
-/* ================================================================
- * Texture unit state management
+/**
+ * Ensure the given texture is ready for rendering.
+ *
+ * Mostly this means populating the texture object's mipmap tree.
  */
-
-static GLboolean r300EnableTexture2D(GLcontext * ctx, int unit)
+static GLboolean r300_validate_texture(GLcontext * ctx, struct gl_texture_object *texObj)
 {
        r300ContextPtr rmesa = R300_CONTEXT(ctx);
-       struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-       struct gl_texture_object *tObj = texUnit->_Current;
-       r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-
-       ASSERT(tObj->Target == GL_TEXTURE_2D || tObj->Target == GL_TEXTURE_1D);
+       radeonTexObj *t = radeon_tex_obj(texObj);
 
-       if (t->base.dirty_images[0]) {
-               R300_FIREVERTICES(rmesa);
+       if (!radeon_validate_texture_miptree(ctx, texObj))
+               return GL_FALSE;
 
-               r300SetTexImages(rmesa, tObj);
-               r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
-               if (!t->base.memBlock && !t->image_override)
-                       return GL_FALSE;
-       }
+       /* Configure the hardware registers (more precisely, the cached version
+        * of the hardware registers). */
+       setup_hardware_state(rmesa, t);
 
+       t->validated = GL_TRUE;
        return GL_TRUE;
 }
 
-static GLboolean r300EnableTexture3D(GLcontext * ctx, int unit)
+/**
+ * Ensure all enabled and complete textures are uploaded along with any buffers being used.
+ */
+GLboolean r300ValidateBuffers(GLcontext * ctx)
 {
        r300ContextPtr rmesa = R300_CONTEXT(ctx);
-       struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-       struct gl_texture_object *tObj = texUnit->_Current;
-       r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+       struct radeon_renderbuffer *rrb;
+       int i;
+       int ret;
 
-       ASSERT(tObj->Target == GL_TEXTURE_3D);
+       radeon_cs_space_reset_bos(rmesa->radeon.cmdbuf.cs);
 
-       /* r300 does not support mipmaps for 3D textures. */
-       if ((tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR)) {
-               return GL_FALSE;
+       rrb = radeon_get_colorbuffer(&rmesa->radeon);
+       /* color buffer */
+       if (rrb && rrb->bo) {
+               radeon_cs_space_add_persistent_bo(rmesa->radeon.cmdbuf.cs,
+                                                 rrb->bo, 0,
+                                                 RADEON_GEM_DOMAIN_VRAM);
        }
 
-       if (t->base.dirty_images[0]) {
-               R300_FIREVERTICES(rmesa);
-               r300SetTexImages(rmesa, tObj);
-               r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
-               if (!t->base.memBlock)
-                       return GL_FALSE;
+       /* depth buffer */
+       rrb = radeon_get_depthbuffer(&rmesa->radeon);
+       if (rrb && rrb->bo) {
+               radeon_cs_space_add_persistent_bo(rmesa->radeon.cmdbuf.cs,
+                                                 rrb->bo, 0,
+                                                 RADEON_GEM_DOMAIN_VRAM);
        }
+       
+       for (i = 0; i < ctx->Const.MaxTextureImageUnits; ++i) {
+               radeonTexObj *t;
 
-       return GL_TRUE;
-}
-
-static GLboolean r300EnableTextureCube(GLcontext * ctx, int unit)
-{
-       r300ContextPtr rmesa = R300_CONTEXT(ctx);
-       struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-       struct gl_texture_object *tObj = texUnit->_Current;
-       r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-       GLuint face;
-
-       ASSERT(tObj->Target == GL_TEXTURE_CUBE_MAP);
-
-       if (t->base.dirty_images[0] || t->base.dirty_images[1] ||
-           t->base.dirty_images[2] || t->base.dirty_images[3] ||
-           t->base.dirty_images[4] || t->base.dirty_images[5]) {
-               /* flush */
-               R300_FIREVERTICES(rmesa);
-               /* layout memory space, once for all faces */
-               r300SetTexImages(rmesa, tObj);
-       }
+               if (!ctx->Texture.Unit[i]._ReallyEnabled)
+                       continue;
 
-       /* upload (per face) */
-       for (face = 0; face < 6; face++) {
-               if (t->base.dirty_images[face]) {
-                       r300UploadTexImages(rmesa,
-                                           (r300TexObjPtr) tObj->DriverData,
-                                           face);
+               if (!r300_validate_texture(ctx, ctx->Texture.Unit[i]._Current)) {
+                       _mesa_warning(ctx,
+                                     "failed to validate texture for unit %d.\n",
+                                     i);
                }
+               t = radeon_tex_obj(ctx->Texture.Unit[i]._Current);
+               if (t->image_override && t->bo)
+                       radeon_cs_space_add_persistent_bo(rmesa->radeon.cmdbuf.cs,
+                                                         t->bo,
+                                                         RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0);
+               else if (t->mt->bo)
+                       radeon_cs_space_add_persistent_bo(rmesa->radeon.cmdbuf.cs,
+                                                         t->mt->bo,
+                                                         RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0);
        }
 
-       if (!t->base.memBlock) {
-               /* texmem alloc failed, use s/w fallback */
+       ret = radeon_cs_space_check_with_bo(rmesa->radeon.cmdbuf.cs, first_elem(&rmesa->radeon.dma.reserved)->bo, RADEON_GEM_DOMAIN_GTT, 0);
+       if (ret)
                return GL_FALSE;
-       }
-
-       return GL_TRUE;
-}
-
-static GLboolean r300EnableTextureRect(GLcontext * ctx, int unit)
-{
-       r300ContextPtr rmesa = R300_CONTEXT(ctx);
-       struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-       struct gl_texture_object *tObj = texUnit->_Current;
-       r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
-
-       ASSERT(tObj->Target == GL_TEXTURE_RECTANGLE_NV);
-
-       if (t->base.dirty_images[0]) {
-               R300_FIREVERTICES(rmesa);
-
-               r300SetTexImages(rmesa, tObj);
-               r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
-               if (!t->base.memBlock && !t->image_override &&
-                   !rmesa->prefer_gart_client_texturing)
-                       return GL_FALSE;
-       }
-
        return GL_TRUE;
 }
 
-static GLboolean r300UpdateTexture(GLcontext * ctx, int unit)
-{
-       r300ContextPtr rmesa = R300_CONTEXT(ctx);
-       struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-       struct gl_texture_object *tObj = texUnit->_ReallyEnabled ?
-               texUnit->_Current : NULL;
-       r300TexObjPtr t = tObj ? (r300TexObjPtr) tObj->DriverData : NULL;
-
-       /* Fallback if there's a texture border */
-       if (tObj && tObj->Image[0][tObj->BaseLevel]->Border > 0) {
-               tObj = NULL;
-               t = NULL;
-       }
-
-       /* Update state if this is a different texture object to last
-        * time.
-        */
-       if (rmesa->state.texture.unit[unit].texobj != tObj) {
-               if (rmesa->state.texture.unit[unit].texobj != NULL) {
-                       r300TexObjPtr t_old = (r300TexObjPtr) rmesa->state.texture.unit[unit].texobj->DriverData;
-
-                       /* The old texture is no longer bound to this texture unit.
-                        * Mark it as such.
-                        */
-
-                       t_old->base.bound &= ~(1 << unit);
-               }
-
-               _mesa_reference_texobj(&rmesa->state.texture.unit[unit].texobj, tObj);
-
-               if (t) {
-                       t->base.bound |= (1 << unit);
-                       driUpdateTextureLRU(&t->base);  /* XXX: should be locked! */
-               }
-       }
-
-       return !t || !t->border_fallback;
-}
-
 void r300SetTexOffset(__DRIcontext * pDRICtx, GLint texname,
                      unsigned long long offset, GLint depth, GLuint pitch)
 {
        r300ContextPtr rmesa = pDRICtx->driverPrivate;
        struct gl_texture_object *tObj =
            _mesa_lookup_texture(rmesa->radeon.glCtx, texname);
-       r300TexObjPtr t;
+       radeonTexObjPtr t = radeon_tex_obj(tObj);
        uint32_t pitch_val;
 
        if (!tObj)
                return;
 
-       t = (r300TexObjPtr) tObj->DriverData;
-
        t->image_override = GL_TRUE;
 
        if (!offset)
                return;
 
-       t->offset = offset;
-       t->pitch_reg &= (1 << 13) -1;
+       t->bo = NULL;
+       t->override_offset = offset;
+       t->pp_txpitch &= (1 << 13) -1;
        pitch_val = pitch;
 
        switch (depth) {
        case 32:
-               t->format = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
-               t->filter |= tx_table[2].filter;
+               t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
                pitch_val /= 4;
                break;
        case 24:
        default:
-               t->format = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
-               t->filter |= tx_table[4].filter;
+               t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
                pitch_val /= 4;
                break;
        case 16:
-               t->format = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
-               t->filter |= tx_table[5].filter;
+               t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
                pitch_val /= 2;
                break;
        }
        pitch_val--;
 
-       t->pitch_reg |= pitch_val;
+       t->pp_txpitch |= pitch_val;
 }
 
-static GLboolean r300UpdateTextureUnit(GLcontext * ctx, int unit)
+void r300SetTexBuffer2(__DRIcontext *pDRICtx, GLint target, GLint glx_texture_format, __DRIdrawable *dPriv)
 {
-       struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-
-       if (texUnit->_ReallyEnabled & (TEXTURE_RECT_BIT)) {
-               return (r300EnableTextureRect(ctx, unit) &&
-                       r300UpdateTexture(ctx, unit));
-       } else if (texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) {
-               return (r300EnableTexture2D(ctx, unit) &&
-                       r300UpdateTexture(ctx, unit));
-       } else if (texUnit->_ReallyEnabled & (TEXTURE_3D_BIT)) {
-               return (r300EnableTexture3D(ctx, unit) &&
-                       r300UpdateTexture(ctx, unit));
-       } else if (texUnit->_ReallyEnabled & (TEXTURE_CUBE_BIT)) {
-               return (r300EnableTextureCube(ctx, unit) &&
-                       r300UpdateTexture(ctx, unit));
-       } else if (texUnit->_ReallyEnabled) {
-               return GL_FALSE;
-       } else {
-               return r300UpdateTexture(ctx, unit);
+       struct gl_texture_unit *texUnit;
+       struct gl_texture_object *texObj;
+       struct gl_texture_image *texImage;
+       struct radeon_renderbuffer *rb;
+       radeon_texture_image *rImage;
+       radeonContextPtr radeon;
+       r300ContextPtr rmesa;
+       struct radeon_framebuffer *rfb;
+       radeonTexObjPtr t;
+       uint32_t pitch_val;
+       uint32_t internalFormat, type, format;
+
+       type = GL_BGRA;
+       format = GL_UNSIGNED_BYTE;
+       internalFormat = (glx_texture_format == GLX_TEXTURE_FORMAT_RGB_EXT ? 3 : 4);
+
+       radeon = pDRICtx->driverPrivate;
+       rmesa = pDRICtx->driverPrivate;
+
+       rfb = dPriv->driverPrivate;
+        texUnit = &radeon->glCtx->Texture.Unit[radeon->glCtx->Texture.CurrentUnit];
+       texObj = _mesa_select_tex_object(radeon->glCtx, texUnit, target);
+        texImage = _mesa_get_tex_image(radeon->glCtx, texObj, target, 0);
+
+       rImage = get_radeon_texture_image(texImage);
+       t = radeon_tex_obj(texObj);
+        if (t == NULL) {
+           return;
+       }
+
+       radeon_update_renderbuffers(pDRICtx, dPriv, GL_TRUE);
+       rb = rfb->color_rb[0];
+       if (rb->bo == NULL) {
+               /* Failed to BO for the buffer */
+               return;
+       }
+       
+       _mesa_lock_texture(radeon->glCtx, texObj);
+       if (t->bo) {
+               radeon_bo_unref(t->bo);
+               t->bo = NULL;
+       }
+       if (rImage->bo) {
+               radeon_bo_unref(rImage->bo);
+               rImage->bo = NULL;
        }
-}
 
-void r300UpdateTextureState(GLcontext * ctx)
-{
-       int i;
+       radeon_miptree_unreference(&t->mt);
+       radeon_miptree_unreference(&rImage->mt);
 
-       for (i = 0; i < 8; i++) {
-               if (!r300UpdateTextureUnit(ctx, i)) {
-                       _mesa_warning(ctx,
-                                     "failed to update texture state for unit %d.\n",
-                                     i);
-               }
+       _mesa_init_teximage_fields(radeon->glCtx, target, texImage,
+                                  rb->base.Width, rb->base.Height, 1, 0, rb->cpp);
+       texImage->RowStride = rb->pitch / rb->cpp;
+       rImage->bo = rb->bo;
+       radeon_bo_ref(rImage->bo);
+       t->bo = rb->bo;
+       radeon_bo_ref(t->bo);
+       t->tile_bits = 0;
+       t->image_override = GL_TRUE;
+       t->override_offset = 0;
+       t->pp_txpitch &= (1 << 13) -1;
+       pitch_val = rb->pitch;
+       switch (rb->cpp) {
+       case 4:
+               if (glx_texture_format == GLX_TEXTURE_FORMAT_RGB_EXT)
+                       t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+               else
+                       t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
+               pitch_val /= 4;
+               break;
+       case 3:
+       default:
+               t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+               pitch_val /= 4;
+               break;
+       case 2:
+               t->pp_txformat = R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+               pitch_val /= 2;
+               break;
        }
+       pitch_val--;
+       t->pp_txsize = (((R300_TX_WIDTHMASK_MASK & ((rb->base.Width - 1) << R300_TX_WIDTHMASK_SHIFT)))
+                       | ((R300_TX_HEIGHTMASK_MASK & ((rb->base.Height - 1) << R300_TX_HEIGHTMASK_SHIFT))));
+       t->pp_txsize |= R300_TX_SIZE_TXPITCH_EN;
+       t->pp_txpitch |= pitch_val;
+
+       if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
+           if (rb->base.Width > 2048)
+               t->pp_txpitch |= R500_TXWIDTH_BIT11;
+            else
+               t->pp_txpitch &= ~R500_TXWIDTH_BIT11;
+           if (rb->base.Height > 2048)
+               t->pp_txpitch |= R500_TXHEIGHT_BIT11;
+            else
+               t->pp_txpitch &= ~R500_TXHEIGHT_BIT11;
+       }
+       t->validated = GL_TRUE;
+       _mesa_unlock_texture(radeon->glCtx, texObj);
+       return;
+}
+
+void r300SetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
+{
+        r300SetTexBuffer2(pDRICtx, target, GLX_TEXTURE_FORMAT_RGBA_EXT, dPriv);
 }