radeon: settexbuffer support

This gets DRI2 compiz going

diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c
index bf5f5c98bda13550370e6a796e3978fc28f5d259..ecca81f715b46271057741bc030d2e30789f0e73 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_screen.c
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.c
@@ -335,6 +335,11 @@ static const __DRItexOffsetExtension radeonTexOffsetExtension = {
     { __DRI_TEX_OFFSET, __DRI_TEX_OFFSET_VERSION },
     radeonSetTexOffset,
 };
+
+static const __DRItexBufferExtension radeonTexBufferExtension = {
+    { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+   radeonSetTexBuffer,
+};
 #endif
 
 #if RADEON_COMMON && defined(RADEON_COMMON_FOR_R200)
@@ -1088,6 +1093,7 @@ radeonCreateScreen2(__DRIscreenPrivate *sPriv)
 
 #if !RADEON_COMMON
    screen->extensions[i++] = &radeonTexOffsetExtension.base;
+   screen->extensions[i++] = &radeonTexBufferExtension.base;
 #endif
 
 #if RADEON_COMMON && defined(RADEON_COMMON_FOR_R200)

diff --git a/src/mesa/drivers/dri/radeon/radeon_state_init.c b/src/mesa/drivers/dri/radeon/radeon_state_init.c
index bff16fa6aa9d661ef916d4ca4bf8262fe8e1a36c..bc4c221454987a4a048787907f7cdda076b5c242 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_state_init.c
+++ b/src/mesa/drivers/dri/radeon/radeon_state_init.c
@@ -558,7 +558,7 @@ static void tex_emit_cs(GLcontext *ctx, struct radeon_state_atom *atom)
 
    if (hastexture) {
      OUT_BATCH(CP_PACKET0(RADEON_PP_TXOFFSET_0 + (24 * i), 0));
-     if (t && t->mt && !t->image_override) {
+     if (t->mt && !t->image_override) {
         if ((ctx->Texture.Unit[i]._ReallyEnabled & TEXTURE_CUBE_BIT)) {
             lvl = &t->mt->levels[0];
            OUT_BATCH_RELOC(lvl->faces[5].offset, t->mt->bo, lvl->faces[5].offset,

diff --git a/src/mesa/drivers/dri/radeon/radeon_tex.h b/src/mesa/drivers/dri/radeon/radeon_tex.h
index 8c2f9be241db69d808b14be4fb309adb175cfa3c..4c2fba44894dc52064e52ac175b925a1d7749f00 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_tex.h
+++ b/src/mesa/drivers/dri/radeon/radeon_tex.h
@@ -41,6 +41,7 @@ extern void radeonSetTexOffset(__DRIcontext *pDRICtx, GLint texname,
                                unsigned long long offset, GLint depth,
                                GLuint pitch);
 
+extern void radeonSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv);
 extern void radeonUpdateTextureState( GLcontext *ctx );
 
 extern int radeonUploadTexImages( r100ContextPtr rmesa, radeonTexObjPtr t,

diff --git a/src/mesa/drivers/dri/radeon/radeon_texstate.c b/src/mesa/drivers/dri/radeon/radeon_texstate.c
index 6a34f1e33283e166a47722848b847074e70af116..a24b5c8830068bf8b009f9b0277fe00499a2d17b 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_texstate.c
+++ b/src/mesa/drivers/dri/radeon/radeon_texstate.c
@@ -39,6 +39,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "main/context.h"
 #include "main/macros.h"
 #include "main/texformat.h"
+#include "main/teximage.h"
 #include "main/texobj.h"
 #include "main/enums.h"
 
@@ -636,6 +637,112 @@ void radeonSetTexOffset(__DRIcontext * pDRICtx, GLint texname,
        }
 }
 
+void radeonSetTexBuffer(__DRIcontext *pDRICtx, GLint target, __DRIdrawable *dPriv)
+{
+       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;
+       r100ContextPtr rmesa;
+       struct radeon_framebuffer *rfb;
+       radeonTexObjPtr t;
+       uint32_t pitch_val;
+
+       target = GL_TEXTURE_RECTANGLE_ARB;
+
+       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);
+       /* back & depth buffer are useless free them right away */
+       rb = (void*)rfb->base.Attachment[BUFFER_DEPTH].Renderbuffer;
+       if (rb && rb->bo) {
+               radeon_bo_unref(rb->bo);
+        rb->bo = NULL;
+       }
+       rb = (void*)rfb->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer;
+       if (rb && rb->bo) {
+               radeon_bo_unref(rb->bo);
+               rb->bo = NULL;
+       }
+       rb = (void*)rfb->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
+       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;
+       }
+       if (t->mt) {
+               radeon_miptree_unreference(t->mt);
+               t->mt = NULL;
+       }
+       if (rImage->mt) {
+               radeon_miptree_unreference(rImage->mt);
+               rImage->mt = NULL;
+       }
+       fprintf(stderr,"settexbuf %d %dx%d@%d\n", rb->pitch, rb->width, rb->height, rb->cpp);
+       _mesa_init_teximage_fields(radeon->glCtx, target, texImage,
+                                  rb->width, rb->height, 1, 0, rb->cpp);
+       texImage->TexFormat = &_mesa_texformat_rgba8888_rev;
+       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:
+               t->pp_txformat = tx_table[MESA_FORMAT_ARGB8888].format;
+               t->pp_txfilter |= tx_table[MESA_FORMAT_ARGB8888].filter;
+       //      pitch_val /= 4;
+               break;
+       case 3:
+       default:
+               t->pp_txformat = tx_table[MESA_FORMAT_RGB888].format;
+               t->pp_txfilter |= tx_table[MESA_FORMAT_RGB888].filter;
+//             pitch_val /= 4;
+               break;
+       case 2:
+               t->pp_txformat = tx_table[MESA_FORMAT_RGB565].format;
+               t->pp_txfilter |= tx_table[MESA_FORMAT_RGB565].filter;
+               pitch_val /= 2;
+               break;
+       }
+        t->pp_txsize = ((rb->width - 1) << RADEON_TEX_USIZE_SHIFT)
+                  | ((rb->height - 1) << RADEON_TEX_VSIZE_SHIFT);
+        t->pp_txformat |= RADEON_TXFORMAT_NON_POWER2;
+       t->pp_txpitch = pitch_val;
+        t->pp_txpitch -= 32;
+
+       t->validated = GL_TRUE;
+       _mesa_unlock_texture(radeon->glCtx, texObj);
+       return;
+}
+
 #define TEXOBJ_TXFILTER_MASK (RADEON_MAX_MIP_LEVEL_MASK |      \
                              RADEON_MIN_FILTER_MASK |          \
                              RADEON_MAG_FILTER_MASK |          \
@@ -899,6 +1006,10 @@ static GLboolean setup_hardware_state(r100ContextPtr rmesa, radeonTexObj *t, int
    const struct gl_texture_image *firstImage;
    GLint log2Width, log2Height, log2Depth, texelBytes;
 
+   if ( t->image_override ) {
+       return GL_TRUE;
+   }
+
    firstImage = t->base.Image[0][t->mt->firstLevel];   
 
    if (firstImage->Border > 0) {