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path: root/src/gallium/drivers/r300/r300_screen.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_screen.c')
-rw-r--r--src/gallium/drivers/r300/r300_screen.c138
1 files changed, 114 insertions, 24 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 8ed66a1660..d2c5998c26 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -50,6 +50,7 @@ static const char* chip_families[] = {
"RC410",
"RS480",
"RS482",
+ "RS600",
"RS690",
"RS740",
"RV515",
@@ -100,11 +101,9 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
/* IN THEORY */
return 0;
case PIPE_CAP_MAX_RENDER_TARGETS:
- /* XXX 4 eventually */
- return 1;
+ return 4;
case PIPE_CAP_OCCLUSION_QUERY:
- /* IN THEORY */
- return 0;
+ return 1;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
/* IN THEORY */
return 0;
@@ -121,7 +120,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
* shows why this is silly. Assuming RGBA, 4cpp, we can see that
* 4096*4096*4096 = 64.0 GiB exactly, so it's not exactly
* practical. However, if at some point a game really wants this,
- * then we can remove this limit. */
+ * then we can remove or raise this limit. */
if (r300screen->caps->is_r500) {
/* 9 == 256x256x256 */
return 9;
@@ -142,7 +141,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
return 1;
case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
- /* XXX guessing */
+ /* XXX guessing (what a terrible guess) */
return 2;
default:
debug_printf("r300: Implementation error: Bad param %d\n",
@@ -175,15 +174,44 @@ static float r300_get_paramf(struct pipe_screen* pscreen, int param)
}
}
-/* XXX moar formats */
-static boolean check_tex_2d_format(enum pipe_format format)
+static boolean check_tex_2d_format(enum pipe_format format, boolean is_r500)
{
switch (format) {
+ /* Colorbuffer */
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
case PIPE_FORMAT_A8R8G8B8_UNORM:
+ /* Colorbuffer or texture */
case PIPE_FORMAT_I8_UNORM:
+ /* Z buffer */
+ case PIPE_FORMAT_Z16_UNORM:
+ /* Z buffer with stencil */
+ case PIPE_FORMAT_Z24S8_UNORM:
return TRUE;
+
+ /* XXX These don't even exist
+ case PIPE_FORMAT_A32R32G32B32:
+ case PIPE_FORMAT_A16R16G16B16: */
+ /* XXX Insert YUV422 packed VYUY and YVYU here */
+ /* XXX What the deuce is UV88? (r3xx accel page 14)
+ debug_printf("r300: Warning: Got unimplemented format: %s in %s\n",
+ pf_name(format), __FUNCTION__);
+ return FALSE; */
+
+ /* XXX Supported yet unimplemented r5xx formats: */
+ /* XXX Again, what is UV1010 this time? (r5xx accel page 148) */
+ /* XXX Even more that don't exist
+ case PIPE_FORMAT_A10R10G10B10_UNORM:
+ case PIPE_FORMAT_A2R10G10B10_UNORM:
+ case PIPE_FORMAT_I10_UNORM:
+ debug_printf(
+ "r300: Warning: Got unimplemented r500 format: %s in %s\n",
+ pf_name(format), __FUNCTION__);
+ return FALSE; */
+
default:
- debug_printf("r300: Warning: Got unknown format: %s, in %s\n",
+ debug_printf("r300: Warning: Got unsupported format: %s in %s\n",
pf_name(format), __FUNCTION__);
break;
}
@@ -200,7 +228,8 @@ static boolean r300_is_format_supported(struct pipe_screen* pscreen,
{
switch (target) {
case PIPE_TEXTURE_2D:
- return check_tex_2d_format(format);
+ return check_tex_2d_format(format,
+ r300_screen(pscreen)->caps->is_r500);
default:
debug_printf("r300: Warning: Got unknown format target: %d\n",
format);
@@ -210,24 +239,84 @@ static boolean r300_is_format_supported(struct pipe_screen* pscreen,
return FALSE;
}
-static void* r300_surface_map(struct pipe_screen* screen,
- struct pipe_surface* surface,
- unsigned flags)
+static struct pipe_transfer*
+r300_get_tex_transfer(struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level, unsigned zslice,
+ enum pipe_transfer_usage usage, unsigned x, unsigned y,
+ unsigned w, unsigned h)
+{
+ struct r300_texture *tex = (struct r300_texture *)texture;
+ struct r300_transfer *trans;
+ unsigned offset; /* in bytes */
+
+ /* XXX Add support for these things */
+ if (texture->target == PIPE_TEXTURE_CUBE) {
+ debug_printf("PIPE_TEXTURE_CUBE is not yet supported.\n");
+ /* offset = tex->image_offset[level][face]; */
+ }
+ else if (texture->target == PIPE_TEXTURE_3D) {
+ debug_printf("PIPE_TEXTURE_3D is not yet supported.\n");
+ /* offset = tex->image_offset[level][zslice]; */
+ }
+ else {
+ offset = tex->offset[level];
+ assert(face == 0);
+ assert(zslice == 0);
+ }
+
+ trans = CALLOC_STRUCT(r300_transfer);
+ if (trans) {
+ pipe_texture_reference(&trans->transfer.texture, texture);
+ trans->transfer.format = trans->transfer.format;
+ 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 = tex->stride;
+ trans->transfer.usage = usage;
+ trans->offset = offset;
+ }
+ return &trans->transfer;
+}
+
+static void
+r300_tex_transfer_destroy(struct pipe_transfer *trans)
{
- struct r300_texture* tex = (struct r300_texture*)surface->texture;
- char* map = pipe_buffer_map(screen, tex->buffer, flags);
+ pipe_texture_reference(&trans->texture, NULL);
+ FREE(trans);
+}
+
+static void* r300_transfer_map(struct pipe_screen* screen,
+ struct pipe_transfer* transfer)
+{
+ struct r300_texture* tex = (struct r300_texture*)transfer->texture;
+ char* map;
+ unsigned flags = 0;
+
+ if (transfer->usage != PIPE_TRANSFER_WRITE) {
+ flags |= PIPE_BUFFER_USAGE_CPU_READ;
+ }
+ if (transfer->usage != PIPE_TRANSFER_READ) {
+ flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
+ }
+
+ map = pipe_buffer_map(screen, tex->buffer, flags);
if (!map) {
return NULL;
}
- return map + surface->offset;
+ return map + r300_transfer(transfer)->offset +
+ transfer->y / transfer->block.height * transfer->stride +
+ transfer->x / transfer->block.width * transfer->block.size;
}
-static void r300_surface_unmap(struct pipe_screen* screen,
- struct pipe_surface* surface)
+static void r300_transfer_unmap(struct pipe_screen* screen,
+ struct pipe_transfer* transfer)
{
- struct r300_texture* tex = (struct r300_texture*)surface->texture;
+ struct r300_texture* tex = (struct r300_texture*)transfer->texture;
pipe_buffer_unmap(screen, tex->buffer);
}
@@ -239,8 +328,7 @@ static void r300_destroy_screen(struct pipe_screen* pscreen)
FREE(r300screen);
}
-struct pipe_screen* r300_create_screen(struct pipe_winsys* winsys,
- struct r300_winsys* r300_winsys)
+struct pipe_screen* r300_create_screen(struct r300_winsys* r300_winsys)
{
struct r300_screen* r300screen = CALLOC_STRUCT(r300_screen);
struct r300_capabilities* caps = CALLOC_STRUCT(r300_capabilities);
@@ -254,15 +342,17 @@ struct pipe_screen* r300_create_screen(struct pipe_winsys* winsys,
r300_parse_chipset(caps);
r300screen->caps = caps;
- r300screen->screen.winsys = winsys;
+ r300screen->screen.winsys = (struct pipe_winsys*)r300_winsys;
r300screen->screen.destroy = r300_destroy_screen;
r300screen->screen.get_name = r300_get_name;
r300screen->screen.get_vendor = r300_get_vendor;
r300screen->screen.get_param = r300_get_param;
r300screen->screen.get_paramf = r300_get_paramf;
r300screen->screen.is_format_supported = r300_is_format_supported;
- r300screen->screen.surface_map = r300_surface_map;
- r300screen->screen.surface_unmap = r300_surface_unmap;
+ r300screen->screen.get_tex_transfer = r300_get_tex_transfer;
+ r300screen->screen.tex_transfer_destroy = r300_tex_transfer_destroy;
+ r300screen->screen.transfer_map = r300_transfer_map;
+ r300screen->screen.transfer_unmap = r300_transfer_unmap;
r300_init_screen_texture_functions(&r300screen->screen);
u_simple_screen_init(&r300screen->screen);
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-22 09:18:24 +0000