Merge branch 'master' into r300-compiler

There were additional non-textual conflicts.

Conflicts:
	src/gallium/drivers/r300/r300_tgsi_to_rc.c
	src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c
	src/mesa/drivers/dri/r300/compiler/radeon_program.c
	src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c

20 files changed, 254 insertions, 92 deletions

diff --git a/src/gallium/drivers/r300/Makefile b/src/gallium/drivers/r300/Makefile
index ec58eeacc2..69e4724790 100644
--- a/src/gallium/drivers/r300/Makefile
+++ b/src/gallium/drivers/r300/Makefile
@@ -9,6 +9,7 @@ C_SOURCES = \
 	r300_chipset.c \
 	r300_clear.c \
 	r300_context.c \
+	r300_debug.c \
 	r300_emit.c \
 	r300_flush.c \
 	r300_fs.c \
diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c
index da67bc29b8..9cc455135d 100644
--- a/src/gallium/drivers/r300/r300_context.c
+++ b/src/gallium/drivers/r300/r300_context.c
@@ -22,6 +22,9 @@
 
 #include "r300_context.h"
 
+#include "r300_flush.h"
+#include "r300_state_invariant.h"
+
 static boolean r300_draw_range_elements(struct pipe_context* pipe,
                                         struct pipe_buffer* indexBuffer,
                                         unsigned indexSize,
@@ -146,6 +149,8 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen,
     r300->context.winsys = (struct pipe_winsys*)r300_winsys;
     r300->context.screen = r300_screen(screen);
 
+    r300_init_debug(r300);
+
     r300->context.destroy = r300_destroy_context;
 
     r300->context.clear = r300_clear;
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index f78492d4aa..52b1c9a6b2 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -184,8 +184,15 @@ struct r300_texture {
     /* Offsets into the buffer. */
     unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
 
-    /* Stride (pitch?) of this texture in bytes */
-    unsigned stride;
+    /**
+     * If non-zero, override the natural texture layout with
+     * a custom stride (in bytes).
+     *
+     * \note Mipmapping fails for textures with a non-natural layout!
+     *
+     * \sa r300_texture_get_stride
+     */
+    unsigned stride_override;
 
     /* Total size of this texture, in bytes. */
     unsigned size;
@@ -211,10 +218,7 @@ struct r300_vertex_format {
     int fs_tab[16];
 };
 
-static struct pipe_viewport_state r300_viewport_identity = {
-    .scale = {1.0, 1.0, 1.0, 1.0},
-    .translate = {0.0, 0.0, 0.0, 0.0},
-};
+extern struct pipe_viewport_state r300_viewport_identity;
 
 struct r300_context {
     /* Parent class */
@@ -275,6 +279,9 @@ struct r300_context {
     uint32_t dirty_state;
     /* Flag indicating whether or not the HW is dirty. */
     uint32_t dirty_hw;
+
+    /** Combination of DBG_xxx flags */
+    unsigned debug;
 };
 
 /* Convenience cast wrapper. */
@@ -288,4 +295,40 @@ struct draw_stage* r300_draw_stage(struct r300_context* r300);
 void r300_init_state_functions(struct r300_context* r300);
 void r300_init_surface_functions(struct r300_context* r300);
 
+/* Debug functionality. */
+
+/**
+ * Debug flags to disable/enable certain groups of debugging outputs.
+ *
+ * \note These may be rather coarse, and the grouping may be impractical.
+ * If you find, while debugging the driver, that a different grouping
+ * of these flags would be beneficial, just feel free to change them
+ * but make sure to update the documentation in r300_debug.c to reflect
+ * those changes.
+ */
+/*@{*/
+#define DBG_HELP    0x0000001
+#define DBG_FP      0x0000002
+#define DBG_VP      0x0000004
+#define DBG_CS      0x0000008
+#define DBG_DRAW    0x0000010
+/*@}*/
+
+static INLINE boolean DBG_ON(struct r300_context * ctx, unsigned flags)
+{
+    return (ctx->debug & flags) ? true : false;
+}
+
+static INLINE void DBG(struct r300_context * ctx, unsigned flags, const char * fmt, ...)
+{
+    if (DBG_ON(ctx, flags)) {
+        va_list va;
+        va_start(va, fmt);
+        debug_vprintf(fmt, va);
+        va_end(va);
+    }
+}
+
+void r300_init_debug(struct r300_context * ctx);
+
 #endif /* R300_CONTEXT_H */
diff --git a/src/gallium/drivers/r300/r300_cs.h b/src/gallium/drivers/r300/r300_cs.h
index 71b142c0db..0a7e470363 100644
--- a/src/gallium/drivers/r300/r300_cs.h
+++ b/src/gallium/drivers/r300/r300_cs.h
@@ -49,7 +49,8 @@
     (RADEON_CP_PACKET0 | ((count) << 16) | ((register) >> 2))
 
 #define CS_LOCALS(context) \
-    struct r300_winsys* cs_winsys = context->winsys; \
+    struct r300_context* const cs_context_copy = (context); \
+    struct r300_winsys* cs_winsys = cs_context_copy->winsys; \
     int cs_count = 0;
 
 #define CHECK_CS(size) \
@@ -58,7 +59,7 @@
 #define BEGIN_CS(size) do { \
     CHECK_CS(size); \
     if (VERY_VERBOSE_CS) { \
-        debug_printf("r300: BEGIN_CS, count %d, in %s (%s:%d)\n", \
+        DBG(cs_context_copy, DBG_CS, "r300: BEGIN_CS, count %d, in %s (%s:%d)\n", \
                 size, __FUNCTION__, __FILE__, __LINE__); \
     } \
     cs_winsys->begin_cs(cs_winsys, (size), \
@@ -78,7 +79,7 @@
 
 #define OUT_CS_REG(register, value) do { \
     if (VERY_VERBOSE_REGISTERS) \
-        debug_printf("r300: writing 0x%08X to register 0x%04X\n", \
+        DBG(cs_context_copy, DBG_CS, "r300: writing 0x%08X to register 0x%04X\n", \
             value, register); \
     assert(register); \
     OUT_CS(CP_PACKET0(register, 0)); \
@@ -89,14 +90,14 @@
  * not the actual packet0 count! */
 #define OUT_CS_REG_SEQ(register, count) do { \
     if (VERY_VERBOSE_REGISTERS) \
-        debug_printf("r300: writing register sequence of %d to 0x%04X\n", \
+        DBG(cs_context_copy, DBG_CS, "r300: writing register sequence of %d to 0x%04X\n", \
             count, register); \
     assert(register); \
     OUT_CS(CP_PACKET0(register, ((count) - 1))); \
 } while (0)
 
 #define OUT_CS_RELOC(bo, offset, rd, wd, flags) do { \
-    debug_printf("r300: writing relocation for buffer %p, offset %d, " \
+    DBG(cs_context_copy, DBG_CS, "r300: writing relocation for buffer %p, offset %d, " \
             "domains (%d, %d, %d)\n", \
         bo, offset, rd, wd, flags); \
     assert(bo); \
@@ -107,7 +108,7 @@
 
 #define END_CS do { \
     if (VERY_VERBOSE_CS) { \
-        debug_printf("r300: END_CS in %s (%s:%d)\n", __FUNCTION__, \
+        DBG(cs_context_copy, DBG_CS, "r300: END_CS in %s (%s:%d)\n", __FUNCTION__, \
                 __FILE__, __LINE__); \
     } \
     if (cs_count != 0) \
@@ -117,7 +118,7 @@
 
 #define FLUSH_CS do { \
     if (VERY_VERBOSE_CS) { \
-        debug_printf("r300: FLUSH_CS in %s (%s:%d)\n\n", __FUNCTION__, \
+        DBG(cs_context_copy, DBG_CS, "r300: FLUSH_CS in %s (%s:%d)\n\n", __FUNCTION__, \
                 __FILE__, __LINE__); \
     } \
     cs_winsys->flush_cs(cs_winsys); \
@@ -127,7 +128,7 @@
 
 #define OUT_CS_ONE_REG(register, count) do { \
     if (VERY_VERBOSE_REGISTERS) \
-        debug_printf("r300: writing data sequence of %d to 0x%04X\n", \
+        DBG(cs_context_copy, DBG_CS, "r300: writing data sequence of %d to 0x%04X\n", \
             count, register); \
     assert(register); \
     OUT_CS(CP_PACKET0(register, ((count) - 1)) | RADEON_ONE_REG_WR); \
@@ -141,7 +142,7 @@
 } while (0)
 
 #define OUT_CS_INDEX_RELOC(bo, offset, count, rd, wd, flags) do { \
-    debug_printf("r300: writing relocation for index buffer %p," \
+    DBG(cs_context_copy, DBG_CS, "r300: writing relocation for index buffer %p," \
             "offset %d\n", bo, offset); \
     assert(bo); \
     OUT_CS(offset); \
diff --git a/src/gallium/drivers/r300/r300_debug.c b/src/gallium/drivers/r300/r300_debug.c
new file mode 100644
index 0000000000..15308dda1d
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_debug.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2009 Nicolai Haehnle <nhaehnle@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "r300_context.h"
+
+#include <ctype.h>
+
+
+struct debug_option {
+    const char * name;
+    unsigned flag;
+    const char * description;
+};
+
+static struct debug_option debug_options[] = {
+    { "help", DBG_HELP, "Helpful meta-information about the driver" },
+    { "fp", DBG_FP, "Fragment program handling" },
+    { "vp", DBG_VP, "Vertex program handling" },
+    { "cs", DBG_CS, "Command submissions" },
+    { "draw", DBG_DRAW, "Draw and emit" },
+
+    { "all", ~0, "Convenience option that enables all debug flags" },
+
+    /* must be last */
+    { 0, 0, 0 }
+};
+
+void r300_init_debug(struct r300_context * ctx)
+{
+    const char * options = debug_get_option("RADEON_DEBUG", 0);
+    boolean printhint = false;
+
+    if (options) {
+        while(*options) {
+            if (*options == ' ' || *options == ',') {
+                options++;
+                continue;
+            }
+
+            size_t length = strcspn(options, " ,");
+            struct debug_option * opt;
+
+            for(opt = debug_options; opt->name; ++opt) {
+                if (!strncmp(options, opt->name, length)) {
+                    ctx->debug |= opt->flag;
+                    break;
+                }
+            }
+
+            if (!opt->name) {
+                debug_printf("Unknown debug option: %s\n", options);
+                printhint = true;
+            }
+
+            options += length;
+        }
+
+        if (!ctx->debug)
+            printhint = true;
+    }
+
+    if (printhint || ctx->debug & DBG_HELP) {
+        debug_printf("You can enable debug output by setting the RADEON_DEBUG environment variable\n"
+                     "to a comma-separated list of debug options. Available options are:\n");
+        for(struct debug_option * opt = debug_options; opt->name; ++opt) {
+            debug_printf("    %s: %s\n", opt->name, opt->description);
+        }
+    }
+}
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index bd4d59e6f1..a1b36ba2ed 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -25,6 +25,7 @@
 #include "r300_emit.h"
 
 #include "r300_fs.h"
+#include "r300_state_derived.h"
 #include "r300_vs.h"
 
 void r300_emit_blend_state(struct r300_context* r300,
@@ -282,7 +283,7 @@ void r300_emit_fb_state(struct r300_context* r300,
     for (i = 0; i < fb->nr_cbufs; i++) {
         tex = (struct r300_texture*)fb->cbufs[i]->texture;
         assert(tex && tex->buffer && "cbuf is marked, but NULL!");
-        pixpitch = tex->stride / tex->tex.block.size;
+        pixpitch = r300_texture_get_stride(tex, 0) / tex->tex.block.size;
 
         OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
         OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
@@ -299,7 +300,7 @@ void r300_emit_fb_state(struct r300_context* r300,
     if (fb->zsbuf) {
         tex = (struct r300_texture*)fb->zsbuf->texture;
         assert(tex && tex->buffer && "zsbuf is marked, but NULL!");
-        pixpitch = tex->stride / tex->tex.block.size;
+        pixpitch = r300_texture_get_stride(tex, 0) / tex->tex.block.size;
 
         OUT_CS_REG_SEQ(R300_ZB_DEPTHOFFSET, 1);
         OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
@@ -490,7 +491,7 @@ void r300_emit_vertex_buffer(struct r300_context* r300)
 {
     CS_LOCALS(r300);
 
-    debug_printf("r300: Preparing vertex buffer %p for render, "
+    DBG(r300, DBG_DRAW, "r300: Preparing vertex buffer %p for render, "
             "vertex size %d\n", r300->vbo,
             r300->vertex_info.vinfo.size);
     /* Set the pointer to our vertex buffer. The emitted values are this:
diff --git a/src/gallium/drivers/r300/r300_emit.h b/src/gallium/drivers/r300/r300_emit.h
index 350691d592..c4002b8e5d 100644
--- a/src/gallium/drivers/r300/r300_emit.h
+++ b/src/gallium/drivers/r300/r300_emit.h
@@ -56,6 +56,11 @@ void r500_emit_fragment_program_code(struct r300_context* r300,
 void r300_emit_fb_state(struct r300_context* r300,
                         struct pipe_framebuffer_state* fb);
 
+void r300_emit_query_begin(struct r300_context* r300,
+                           struct r300_query* query);
+void r300_emit_query_end(struct r300_context* r300,
+                         struct r300_query* query);
+
 void r300_emit_rs_state(struct r300_context* r300, struct r300_rs_state* rs);
 
 void r300_emit_rs_block_state(struct r300_context* r300,
diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c
index 36463b9a2e..a0e848a59a 100644
--- a/src/gallium/drivers/r300/r300_fs.c
+++ b/src/gallium/drivers/r300/r300_fs.c
@@ -96,7 +96,7 @@ void r300_translate_fragment_shader(struct r300_context* r300,
 
     memset(&compiler, 0, sizeof(compiler));
     rc_init(&compiler.Base);
-    compiler.Base.Debug = 1;
+    compiler.Base.Debug = DBG_ON(r300, DBG_FP);
 
     compiler.code = &fs->code;
     compiler.is_r500 = r300_screen(r300->context.screen)->caps->is_r500;
diff --git a/src/gallium/drivers/r300/r300_query.c b/src/gallium/drivers/r300/r300_query.c
index 1d5185b417..2880d34877 100644
--- a/src/gallium/drivers/r300/r300_query.c
+++ b/src/gallium/drivers/r300/r300_query.c
@@ -22,6 +22,8 @@
 
 #include "r300_query.h"
 
+#include "r300_emit.h"
+
 static struct pipe_query* r300_create_query(struct pipe_context* pipe,
                                             unsigned query_type)
 {
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c
index aced4ab887..737396d8d9 100644
--- a/src/gallium/drivers/r300/r300_render.c
+++ b/src/gallium/drivers/r300/r300_render.c
@@ -26,15 +26,17 @@
 
 #include "r300_cs.h"
 #include "r300_context.h"
+#include "r300_emit.h"
 #include "r300_reg.h"
 #include "r300_state_derived.h"
 
 /* r300_render: Vertex and index buffer primitive emission. */
+#define R300_MAX_VBO_SIZE  (1024 * 1024)
 
 struct r300_render {
     /* Parent class */
     struct vbuf_render base;
-    
+
     /* Pipe context */
     struct r300_context* r300;
 
@@ -45,7 +47,10 @@ struct r300_render {
 
     /* VBO */
     struct pipe_buffer* vbo;
-    size_t vbo_alloc_size;
+    size_t vbo_size;
+    size_t vbo_offset;
+    size_t vbo_max_used;
+    void * vbo_ptr;
 };
 
 static INLINE struct r300_render*
@@ -74,19 +79,18 @@ static boolean r300_render_allocate_vertices(struct vbuf_render* render,
     struct pipe_screen* screen = r300->context.screen;
     size_t size = (size_t)vertex_size * (size_t)count;
 
-    if (r300render->vbo && (size > r300render->vbo_alloc_size)) {
-        pipe_buffer_reference(&r300render->vbo, NULL);
-    }
-    
-    if (!r300render->vbo) {
+    if (size + r300render->vbo_offset > r300render->vbo_size) 
+    {
         r300render->vbo = pipe_buffer_create(screen,
                                              64,
                                              PIPE_BUFFER_USAGE_VERTEX,
-                                             size);
+                                             R300_MAX_VBO_SIZE);
+        r300render->vbo_size = R300_MAX_VBO_SIZE;
     }
 
-    r300render->vbo_alloc_size = MAX2(size, r300render->vbo_alloc_size);
     r300render->vertex_size = vertex_size;
+    r300->vbo = r300render->vbo;
+    r300->vbo_offset = r300render->vbo_offset;
 
     return (r300render->vbo) ? TRUE : FALSE;
 }
@@ -96,8 +100,10 @@ static void* r300_render_map_vertices(struct vbuf_render* render)
     struct r300_render* r300render = r300_render(render);
     struct pipe_screen* screen = r300render->r300->context.screen;
 
-    return (unsigned char*)pipe_buffer_map(screen, r300render->vbo,
-                                           PIPE_BUFFER_USAGE_CPU_WRITE);
+    r300render->vbo_ptr = pipe_buffer_map(screen, r300render->vbo,
+                                          PIPE_BUFFER_USAGE_CPU_WRITE);
+
+    return (r300render->vbo_ptr + r300render->vbo_offset);
 }
 
 static void r300_render_unmap_vertices(struct vbuf_render* render,
@@ -106,15 +112,24 @@ static void r300_render_unmap_vertices(struct vbuf_render* render,
 {
     struct r300_render* r300render = r300_render(render);
     struct pipe_screen* screen = r300render->r300->context.screen;
+    CS_LOCALS(r300render->r300);
+    BEGIN_CS(2);
+    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, max);
+    END_CS;
 
+    r300render->vbo_max_used = MAX2(r300render->vbo_max_used, 
+                                    r300render->vertex_size * (max + 1));
     pipe_buffer_unmap(screen, r300render->vbo);
 }
 
 static void r300_render_release_vertices(struct vbuf_render* render)
 {
     struct r300_render* r300render = r300_render(render);
+    struct r300_context* r300 = r300render->r300;
 
-    pipe_buffer_reference(&r300render->vbo, NULL);
+    r300render->vbo_offset += r300render->vbo_max_used;
+    r300render->vbo_max_used = 0;
+    r300->vbo = NULL;
 }
 
 static boolean r300_render_set_primitive(struct vbuf_render* render,
@@ -162,14 +177,12 @@ static boolean r300_render_set_primitive(struct vbuf_render* render,
     return TRUE;
 }
 
-static void prepare_render(struct r300_render* render, unsigned count)
+static void r300_prepare_render(struct r300_render* render, unsigned count)
 {
     struct r300_context* r300 = render->r300;
 
     CS_LOCALS(r300);
 
-    r300->vbo = render->vbo;
-
     r300_emit_dirty_state(r300);
 }
 
@@ -182,9 +195,9 @@ static void r300_render_draw_arrays(struct vbuf_render* render,
 
     CS_LOCALS(r300);
 
-    prepare_render(r300render, count);
+    r300_prepare_render(r300render, count);
 
-    debug_printf("r300: Doing vbuf render, count %d\n", count);
+    DBG(r300, DBG_DRAW, "r300: Doing vbuf render, count %d\n", count);
 
     BEGIN_CS(2);
     OUT_CS_PKT3(R300_PACKET3_3D_DRAW_VBUF_2, 0);
@@ -207,7 +220,7 @@ static void r300_render_draw(struct vbuf_render* render,
 
     CS_LOCALS(r300);
 
-    prepare_render(r300render, count);
+    r300_prepare_render(r300render, count);
 
     /* Send our indices into an index buffer. */
     index_buffer = pipe_buffer_create(screen, 64, PIPE_BUFFER_USAGE_VERTEX,
@@ -216,25 +229,7 @@ static void r300_render_draw(struct vbuf_render* render,
         return;
     }
 
-/*
-    index_map = pipe_buffer_map(screen, index_buffer,
-                                PIPE_BUFFER_USAGE_CPU_WRITE);
-    memcpy(index_map, indices, count);
-    pipe_buffer_unmap(screen, index_buffer);
-
-    debug_printf("r300: Doing indexbuf render, count %d\n", count);
-
-    BEGIN_CS(8);
-    OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
-    OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
-           r300render->hwprim);
-    OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2);
-    OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2));
-    OUT_CS_INDEX_RELOC(index_buffer, 0, count, RADEON_GEM_DOMAIN_GTT, 0, 0);
-    END_CS; */
-
-    BEGIN_CS(4 + (count+1)/2);
-    OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, count);
+    BEGIN_CS(2 + (count+1)/2);
     OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, (count+1)/2);
     OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
            r300render->hwprim);
@@ -272,6 +267,10 @@ static struct vbuf_render* r300_render_create(struct r300_context* r300)
     r300render->base.release_vertices = r300_render_release_vertices;
     r300render->base.destroy = r300_render_destroy;
 
+    r300render->vbo = NULL;
+    r300render->vbo_size = 0;
+    r300render->vbo_offset = 0;
+
     return &r300render->base;
 }
 
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 15740f6125..3b5b1bbd37 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -93,8 +93,6 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
             } else {
                 return 0;
             }
-        case PIPE_CAP_S3TC:
-            return 1;
         case PIPE_CAP_ANISOTROPIC_FILTER:
             return 1;
         case PIPE_CAP_POINT_SPRITE:
@@ -323,13 +321,14 @@ r300_get_tex_transfer(struct pipe_screen *screen,
     if (trans) {
         pipe_texture_reference(&trans->transfer.texture, texture);
         trans->transfer.format = texture->format;
+        trans->transfer.x = x;
+        trans->transfer.y = y;
         trans->transfer.width = w;
         trans->transfer.height = h;
         trans->transfer.block = texture->block;
         trans->transfer.nblocksx = texture->nblocksx[level];
         trans->transfer.nblocksy = texture->nblocksy[level];
-        trans->transfer.stride = align(pf_get_stride(&trans->transfer.block,
-                                                     texture->width[level]), 32);
+        trans->transfer.stride = r300_texture_get_stride(tex, level);
         trans->transfer.usage = usage;
         trans->offset = offset;
     }
@@ -356,7 +355,7 @@ static void* r300_transfer_map(struct pipe_screen* screen,
     if (transfer->usage != PIPE_TRANSFER_READ) {
         flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
     }
-    
+
     map = pipe_buffer_map(screen, tex->buffer, flags);
 
     if (!map) {
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 81808017f8..88cb9af6fb 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -20,10 +20,11 @@
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
 
+#include "util/u_debug.h"
 #include "util/u_math.h"
 #include "util/u_pack_color.h"
 
-#include "util/u_debug.h"
+#include "tgsi/tgsi_parse.h"
 
 #include "pipe/p_config.h"
 #include "pipe/internal/p_winsys_screen.h"
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index c01e61a9b1..5f6b225d34 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -23,6 +23,7 @@
 #include "r300_state_derived.h"
 
 #include "r300_fs.h"
+#include "r300_state_inlines.h"
 #include "r300_vs.h"
 
 /* r300_state_derived: Various bits of state which are dependent upon
@@ -195,13 +196,13 @@ static void r300_vertex_psc(struct r300_context* r300,
      * and not on attrib information. */
     if (r300screen->caps->has_tcl) {
         attrib_count = r300->vs->info.num_inputs;
-        debug_printf("r300: routing %d attribs in psc for vs\n",
+        DBG(r300, DBG_DRAW, "r300: routing %d attribs in psc for vs\n",
                 attrib_count);
     } else {
         attrib_count = vinfo->num_attribs;
-        debug_printf("r300: attrib count: %d\n", attrib_count);
+        DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count);
         for (i = 0; i < attrib_count; i++) {
-            debug_printf("r300: attrib: offset %d, interp %d, size %d,"
+            DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d,"
                    " tab %d\n", vinfo->attrib[i].src_index,
                    vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit,
                    tab[i]);
@@ -299,18 +300,18 @@ static void r300_update_fs_tab(struct r300_context* r300)
     }
 
     /* Now that we know where everything is... */
-    debug_printf("r300: fp input count: %d\n", info->num_inputs);
+    DBG(r300, DBG_DRAW, "r300: fp input count: %d\n", info->num_inputs);
     for (i = 0; i < info->num_inputs; i++) {
         switch (tab[i]) {
             case INTERP_LINEAR:
-                debug_printf("r300: attrib: "
+                DBG(r300, DBG_DRAW, "r300: attrib: "
                         "stack offset %d, color,    tab %d\n",
                         i, cols_emitted);
                 tab[i] = cols_emitted;
                 cols_emitted++;
                 break;
             case INTERP_PERSPECTIVE:
-                debug_printf("r300: attrib: "
+                DBG(r300, DBG_DRAW, "r300: attrib: "
                         "stack offset %d, texcoord, tab %d\n",
                         i, cols + texs);
                 tab[i] = cols + texs;
diff --git a/src/gallium/drivers/r300/r300_state_derived.h b/src/gallium/drivers/r300/r300_state_derived.h
index 63ae8eb8d0..71a4a47b00 100644
--- a/src/gallium/drivers/r300/r300_state_derived.h
+++ b/src/gallium/drivers/r300/r300_state_derived.h
@@ -23,11 +23,7 @@
 #ifndef R300_STATE_DERIVED_H
 #define R300_STATE_DERIVED_H
 
-#include "draw/draw_vertex.h"
-
-#include "r300_context.h"
-#include "r300_reg.h"
-#include "r300_state_inlines.h"
+struct r300_context;
 
 void r300_update_derived_state(struct r300_context* r300);
 
diff --git a/src/gallium/drivers/r300/r300_state_invariant.c b/src/gallium/drivers/r300/r300_state_invariant.c
index 7d822fec48..3865730d63 100644
--- a/src/gallium/drivers/r300/r300_state_invariant.c
+++ b/src/gallium/drivers/r300/r300_state_invariant.c
@@ -23,6 +23,12 @@
 
 #include "r300_state_invariant.h"
 
+
+struct pipe_viewport_state r300_viewport_identity = {
+    .scale = {1.0, 1.0, 1.0, 1.0},
+    .translate = {0.0, 0.0, 0.0, 0.0},
+};
+
 /* Calculate and emit invariant state. This is data that the 3D engine
  * will probably want at the beginning of every CS, but it's not currently
  * handled by any CSO setup, and in addition it doesn't really change much.
diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
index 96e6e4a77d..cc6288cb51 100644
--- a/src/gallium/drivers/r300/r300_surface.c
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -29,7 +29,7 @@ static void r300_surface_setup(struct r300_context* r300,
                                unsigned w, unsigned h)
 {
     struct r300_capabilities* caps = r300_screen(r300->context.screen)->caps;
-    unsigned pixpitch = dest->stride / dest->tex.block.size;
+    unsigned pixpitch = r300_texture_get_stride(dest, 0) / dest->tex.block.size;
     CS_LOCALS(r300);
 
     r300_emit_blend_state(r300, &blend_clear_state);
@@ -100,7 +100,7 @@ static void r300_surface_fill(struct pipe_context* pipe,
     struct r300_context* r300 = r300_context(pipe);
     struct r300_capabilities* caps = r300_screen(pipe->screen)->caps;
     struct r300_texture* tex = (struct r300_texture*)dest->texture;
-    unsigned pixpitch = tex->stride / tex->tex.block.size;
+    unsigned pixpitch = r300_texture_get_stride(tex, 0) / tex->tex.block.size;
     boolean invalid = FALSE;
     CS_LOCALS(r300);
 
@@ -233,7 +233,7 @@ static void r300_surface_copy(struct pipe_context* pipe,
     struct r300_capabilities* caps = r300_screen(pipe->screen)->caps;
     struct r300_texture* srctex = (struct r300_texture*)src->texture;
     struct r300_texture* desttex = (struct r300_texture*)dest->texture;
-    unsigned pixpitch = srctex->stride / srctex->tex.block.size;
+    unsigned pixpitch = r300_texture_get_stride(srctex, 0) / srctex->tex.block.size;
     boolean invalid = FALSE;
     float fsrcx = srcx, fsrcy = srcy, fdestx = destx, fdesty = desty;
     CS_LOCALS(r300);
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index 590052509c..6e8c368320 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -25,7 +25,6 @@
 static void r300_setup_texture_state(struct r300_texture* tex,
                                      unsigned width,
                                      unsigned height,
-                                     unsigned pitch,
                                      unsigned levels)
 {
     struct r300_texture_state* state = &tex->state;
@@ -38,7 +37,7 @@ static void r300_setup_texture_state(struct r300_texture* tex,
     /* XXX */
     state->format1 = r300_translate_texformat(tex->tex.format);
 
-    state->format2 = pitch - 1;
+    state->format2 = r300_texture_get_stride(tex, 0);
 
     /* Assume (somewhat foolishly) that oversized textures will
      * not be permitted by the state tracker. */
@@ -50,13 +49,30 @@ static void r300_setup_texture_state(struct r300_texture* tex,
     }
 
     debug_printf("r300: Set texture state (%dx%d, pitch %d, %d levels)\n",
-            width, height, pitch, levels);
+            width, height, levels);
+}
+
+/**
+ * Return the stride, in bytes, of the texture images of the given texture
+ * at the given level.
+ */
+unsigned r300_texture_get_stride(struct r300_texture* tex, unsigned level)
+{
+    if (tex->stride_override)
+        return tex->stride_override;
+
+    if (level > tex->tex.last_level) {
+        debug_printf("%s: level (%u) > last_level (%u)\n", level, tex->tex.last_level);
+        return 0;
+    }
+
+    return align(pf_get_stride(&tex->tex.block, tex->tex.width[level]), 32);
 }
 
 static void r300_setup_miptree(struct r300_texture* tex)
 {
     struct pipe_texture* base = &tex->tex;
-    int stride, size, offset;
+    int stride, size;
     int i;
 
     for (i = 0; i <= base->last_level; i++) {
@@ -74,7 +90,7 @@ static void r300_setup_miptree(struct r300_texture* tex)
          * XXX
          * POT, uncompressed, unmippmapped textures can be aligned to 32,
          * instead of 64. */
-        stride = align(pf_get_stride(&base->block, base->width[i]), 32);
+        stride = r300_texture_get_stride(tex, i);
         size = stride * base->nblocksy[i] * base->depth[i];
 
         tex->offset[i] = align(tex->size, 32);
@@ -84,10 +100,6 @@ static void r300_setup_miptree(struct r300_texture* tex)
                 "(%dx%dx%d px, pitch %d bytes)\n",
                 i, base->width[i], base->height[i], base->depth[i],
                 stride);
-        /* Save stride of first level to the texture. */
-        if (i == 0) {
-            tex->stride = stride;
-        }
     }
 }
 
@@ -109,7 +121,7 @@ static struct pipe_texture*
     r300_setup_miptree(tex);
 
     r300_setup_texture_state(tex, template->width[0], template->height[0],
-            template->width[0], template->last_level);
+                             template->last_level);
 
     tex->buffer = screen->buffer_create(screen, 1024,
                                         PIPE_BUFFER_USAGE_PIXEL,
@@ -189,11 +201,10 @@ static struct pipe_texture*
     pipe_reference_init(&tex->tex.reference, 1);
     tex->tex.screen = screen;
 
-    tex->stride = *stride;
+    tex->stride_override = *stride;
 
     /* XXX */
-    r300_setup_texture_state(tex, tex->tex.width[0], tex->tex.height[0],
-            tex->stride, 0);
+    r300_setup_texture_state(tex, tex->tex.width[0], tex->tex.height[0], 0);
 
     pipe_buffer_reference(&tex->buffer, buffer);
 
@@ -221,7 +232,7 @@ boolean r300_get_texture_buffer(struct pipe_texture* texture,
     pipe_buffer_reference(buffer, tex->buffer);
 
     if (stride) {
-        *stride = tex->stride;
+        *stride = r300_texture_get_stride(tex, 0);
     }
 
     return TRUE;
diff --git a/src/gallium/drivers/r300/r300_texture.h b/src/gallium/drivers/r300/r300_texture.h
index 3b56f0307c..3109af5bac 100644
--- a/src/gallium/drivers/r300/r300_texture.h
+++ b/src/gallium/drivers/r300/r300_texture.h
@@ -30,8 +30,12 @@
 #include "r300_context.h"
 #include "r300_reg.h"
 
+struct r300_texture;
+
 void r300_init_screen_texture_functions(struct pipe_screen* screen);
 
+unsigned r300_texture_get_stride(struct r300_texture* tex, unsigned level);
+
 /* Note the signature of R300_EASY_TX_FORMAT(A, R, G, B, FORMAT)... */
 static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
 {
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.c b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
index 2c63a46c27..7f12008830 100644
--- a/src/gallium/drivers/r300/r300_tgsi_to_rc.c
+++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
@@ -161,7 +161,6 @@ static unsigned translate_saturate(unsigned saturate)
             /* fall-through */
         case TGSI_SAT_NONE: return RC_SATURATE_NONE;
         case TGSI_SAT_ZERO_ONE: return RC_SATURATE_ZERO_ONE;
-        case TGSI_SAT_MINUS_PLUS_ONE: return RC_SATURATE_MINUS_PLUS_ONE;
     }
 }
 
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c
index 2cb903bba2..12a6e37be6 100644
--- a/src/gallium/drivers/r300/r300_vs.c
+++ b/src/gallium/drivers/r300/r300_vs.c
@@ -116,7 +116,7 @@ void r300_translate_vertex_shader(struct r300_context* r300,
     /* Setup the compiler */
     rc_init(&compiler.Base);
 
-    compiler.Base.Debug = 1;
+    compiler.Base.Debug = DBG_ON(r300, DBG_VP);
     compiler.code = &vs->code;
     compiler.UserData = vs;