summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/r300/r300_context.h3
-rw-r--r--src/gallium/drivers/r300/r300_screen.c92
-rw-r--r--src/gallium/drivers/r300/r300_screen.h15
-rw-r--r--src/gallium/drivers/r300/r300_surface.c8
-rw-r--r--src/gallium/drivers/r300/r300_texture.c8
5 files changed, 104 insertions, 22 deletions
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index a3727c8fb47..fc32f8f669a 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -181,6 +181,9 @@ struct r300_texture {
/* Offsets into the buffer. */
unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
+ /* Stride (pitch?) of this texture in bytes */
+ unsigned stride;
+
/* Total size of this texture, in bytes. */
unsigned size;
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index d7354ad893e..de3e80daf93 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -221,24 +221,92 @@ 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*)surface->texture;
- char* map = pipe_buffer_map(screen, tex->buffer, flags);
+ 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) {
+ trans->transfer.refcount = 1;
+ 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_release(struct pipe_screen *screen,
+ struct pipe_transfer **transfer)
+{
+ struct pipe_transfer *trans = *transfer;
+
+ if (--trans->refcount == 0) {
+ pipe_texture_reference(&trans->texture, NULL);
+ FREE(trans);
+ }
+
+ *transfer = NULL;
+}
+
+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);
}
@@ -272,8 +340,10 @@ struct pipe_screen* r300_create_screen(struct pipe_winsys* winsys,
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_release = r300_tex_transfer_release;
+ 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);
diff --git a/src/gallium/drivers/r300/r300_screen.h b/src/gallium/drivers/r300/r300_screen.h
index 2e25f61dbf1..6c845144cb3 100644
--- a/src/gallium/drivers/r300/r300_screen.h
+++ b/src/gallium/drivers/r300/r300_screen.h
@@ -40,11 +40,26 @@ struct r300_screen {
struct r300_capabilities* caps;
};
+struct r300_transfer {
+ /* Parent class */
+ struct pipe_transfer transfer;
+
+ /* Offset from start of buffer. */
+ unsigned offset;
+};
+
/* Convenience cast wrapper. */
static struct r300_screen* r300_screen(struct pipe_screen* screen) {
return (struct r300_screen*)screen;
}
+/* Convenience cast wrapper. */
+static INLINE struct r300_transfer*
+r300_transfer(struct pipe_transfer* transfer)
+{
+ return (struct r300_transfer*)transfer;
+}
+
/* Creates a new r300 screen. */
struct pipe_screen* r300_create_screen(struct pipe_winsys* winsys,
struct r300_winsys* r300_winsys);
diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
index b2c4f4251d9..e4589cc5836 100644
--- a/src/gallium/drivers/r300/r300_surface.c
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -42,17 +42,17 @@ static void r300_surface_fill(struct pipe_context* pipe,
b = (float)((color >> 0) & 0xff) / 255.0f;
debug_printf("r300: Filling surface %p at (%d,%d),"
" dimensions %dx%d (stride %d), color 0x%x\n",
- dest, x, y, w, h, dest->stride, color);
+ dest, x, y, w, h, tex->stride, color);
/* Fallback? */
- if (0) {
+ /*if (0) {
debug_printf("r300: Falling back on surface clear...");
void* map = pipe->screen->surface_map(pipe->screen, dest,
PIPE_BUFFER_USAGE_CPU_WRITE);
pipe_fill_rect(map, &dest->block, &dest->stride, x, y, w, h, color);
pipe->screen->surface_unmap(pipe->screen, dest);
return;
- }
+ }*/
BEGIN_CS(163 + (caps->is_r500 ? 22 : 14) + (caps->has_tcl ? 4 : 2));
/* Flush PVS. */
@@ -293,7 +293,7 @@ static void r300_surface_fill(struct pipe_context* pipe,
OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
/* XXX (dest->stride >> 2) should be the buffer width in pixels however,
* this little calculation is only good as long as the buffer is 32bpp */
- OUT_CS_REG(R300_RB3D_COLORPITCH0, (dest->stride >> 2) |
+ OUT_CS_REG(R300_RB3D_COLORPITCH0, (tex->stride >> 2) |
R300_COLOR_FORMAT_ARGB8888);
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0x0000000F);
/* XXX Packet3 */
diff --git a/src/gallium/drivers/r300/r300_texture.c b/src/gallium/drivers/r300/r300_texture.c
index bd35e089f98..edd43706634 100644
--- a/src/gallium/drivers/r300/r300_texture.c
+++ b/src/gallium/drivers/r300/r300_texture.c
@@ -124,12 +124,6 @@ static struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
surface->format = texture->format;
surface->width = texture->width[level];
surface->height = texture->height[level];
- surface->block = texture->block;
- surface->nblocksx = texture->nblocksx[level];
- surface->nblocksy = texture->nblocksy[level];
- /* XXX save the actual stride instead plz kthnxbai */
- surface->stride =
- (texture->nblocksx[level] * texture->block.size + 63) & ~63;
surface->offset = offset;
surface->usage = flags;
surface->status = PIPE_SURFACE_STATUS_DEFINED;
@@ -176,7 +170,7 @@ static struct pipe_texture*
tex->tex.refcount = 1;
tex->tex.screen = screen;
- /* XXX tex->stride = *stride; */
+ tex->stride = *stride;
pipe_buffer_reference(screen, &tex->buffer, buffer);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 10:44:06 +0000