gallium-r300: Make it build.

Still todo:
- Sort out winsys.
- Less suckage.

5 files changed, 98 insertions, 21 deletions

diff --git a/src/gallium/drivers/r300/Makefile b/src/gallium/drivers/r300/Makefile
new file mode 100644
index 00000000000..b33e56f73d1
--- /dev/null
+++ b/src/gallium/drivers/r300/Makefile
@@ -0,0 +1,13 @@
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = r300
+
+C_SOURCES = \
+	r300_context.c \
+	r300_screen.c \
+	r300_state.c
+
+include ../../Makefile.template
+
+symlinks:
diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c
index 4aef5030fcf..569fdd3f0f9 100644
--- a/src/gallium/drivers/r300/r300_context.c
+++ b/src/gallium/drivers/r300/r300_context.c
@@ -1,9 +1,9 @@
 #include "r300_context.h"
 
-static void r300_destroy_context(struct pipe_context* pipe) {
-    struct r300_context* context = r300_context(pipe);
+static void r300_destroy_context(struct pipe_context* context) {
+    struct r300_context* r300 = r300_context(context);
 
-    draw_destroy(context->draw);
+    draw_destroy(r300->draw);
 
     FREE(context);
 }
@@ -12,16 +12,16 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen,
                                          struct pipe_winsys* winsys,
                                          struct amd_winsys* amd_winsys)
 {
-    struct r300_context* context = CALLOC_STRUCT(r300_context);
+    struct r300_context* r300 = CALLOC_STRUCT(r300_context);
 
-    if (!context)
+    if (!r300)
         return NULL;
 
-    context->winsys = amd_winsys;
-    context->context.winsys = winsys;
-    context->context.screen = screen;
+    r300->winsys = amd_winsys;
+    r300->context.winsys = winsys;
+    r300->context.screen = screen;
 
-    context->context.destroy = r300_destroy_context;
+    r300->context.destroy = r300_destroy_context;
 
-    return &context->context;
+    return &r300->context;
 }
\ No newline at end of file
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index fd344361d91..7c2055e43e8 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -23,17 +23,19 @@
 #ifndef R300_CONTEXT_H
 #define R300_CONTEXT_H
 
+#include "pipe/p_context.h"
+
 struct r300_context {
     /* Parent class */
     struct pipe_context context;
 
     struct amd_winsys* winsys;
     struct draw_context* draw;
-}
+};
 
 /* Convenience cast wrapper. */
-static struct r300_context* r300_context(struct pipe_context* pipe) {
-    return (struct r300_context*)pipe;
+static struct r300_context* r300_context(struct pipe_context* context) {
+    return (struct r300_context*)context;
 }
 
 #endif /* R300_CONTEXT_H */
\ No newline at end of file
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index a1f056b8107..9c89623df3c 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -1,6 +1,26 @@
-/* XXX put a copyright here */
+/*
+ * Copyright 2008 Corbin Simpson <[email protected]>
+ *
+ * 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. */
 
-/* I know my style's weird, get used to it */
+#include "r300_screen.h"
 
 static const char* r300_get_vendor(struct pipe_screen* pscreen) {
     return "X.Org R300 Project";
@@ -12,6 +32,8 @@ static const char* r300_get_name(struct pipe_screen* pscreen) {
 }
 
 static int r300_get_param(struct pipe_screen* pscreen, int param) {
+    struct r300_screen* r300screen = r300_screen(pscreen);
+
     switch (param) {
         /* Cases marked "IN THEORY" are possible on the hardware,
          * but haven't been implemented yet. */
@@ -43,9 +65,13 @@ static int r300_get_param(struct pipe_screen* pscreen, int param) {
             /* IN THEORY */
             return 0;
         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
-            /* 12 == 2048x2048
-             * R500 can do 4096x4096 */
-            return 12;
+            /* 12 == 2048x2048 */
+            if (r300screen->is_r500) {
+                /* R500 can do 4096x4096 */
+                return 13;
+            } else {
+                return 12;
+            }
         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
             /* XXX educated guess */
             return 8;
@@ -60,7 +86,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param) {
     }
 }
 
-static float r300_get_paramf(struct pipe_screen* pscreen, float param) {
+static float r300_get_paramf(struct pipe_screen* pscreen, int param) {
     switch (param) {
         case PIPE_CAP_MAX_LINE_WIDTH:
         case PIPE_CAP_MAX_LINE_WIDTH_AA:
@@ -81,12 +107,35 @@ static float r300_get_paramf(struct pipe_screen* pscreen, float param) {
 }
 
 static boolean r300_is_format_supported(struct pipe_screen* pscreen,
-                                        enum pipe_format format, uint type)
+                                        enum pipe_format format,
+                                        enum pipe_texture_target target,
+                                        unsigned tex_usage,
+                                        unsigned geom_flags)
 {
     return FALSE;
 }
 
-static r300_destroy_screen(struct pipe_screen* pscreen) {
+static void* r300_surface_map(struct pipe_screen* screen,
+                              struct pipe_surface* surface,
+                              unsigned flags)
+{
+    /* XXX is this all we need to do here? */
+    char* map = pipe_buffer_map(screen, surface->buffer, flags);
+
+    if (!map) {
+        return NULL;
+    }
+
+    return map + surface->offset;
+}
+
+static void r300_surface_unmap(struct pipe_screen* screen,
+                               struct pipe_surface* surface)
+{
+    pipe_buffer_unmap(screen, surface->buffer);
+}
+
+static void r300_destroy_screen(struct pipe_screen* pscreen) {
     FREE(pscreen);
 }
 
diff --git a/src/gallium/drivers/r300/r300_screen.h b/src/gallium/drivers/r300/r300_screen.h
index aa12c29a99f..36fc5aa67dd 100644
--- a/src/gallium/drivers/r300/r300_screen.h
+++ b/src/gallium/drivers/r300/r300_screen.h
@@ -23,6 +23,11 @@
 #ifndef R300_SCREEN_H
 #define R300_SCREEN_H
 
+#include "pipe/p_screen.h"
+#include "util/u_memory.h"
+
+#include "r300_context.h"
+
 struct r300_screen {
     /* Parent class */
     struct pipe_screen screen;
@@ -30,6 +35,14 @@ struct r300_screen {
     boolean is_r400;
     boolean is_r500;
     int pci_id;
+};
+
+/* Convenience cast wrapper. */
+static struct r300_screen* r300_screen(struct pipe_screen* screen) {
+    return (struct r300_screen*)screen;
 }
 
+/* Creates a new r300 screen. */
+struct pipe_screen* r300_create_screen(struct pipe_winsys* winsys, uint pci_id);
+
 #endif /* R300_SCREEN_H */