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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.c179
1 files changed, 31 insertions, 148 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index b892c084c0..5880eecd5f 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -1,5 +1,6 @@
/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Copyright 2010 Marek Olšák <maraeo@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -20,14 +21,13 @@
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
-#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_simple_screen.h"
#include "r300_context.h"
-#include "r300_screen.h"
#include "r300_texture.h"
+#include "r300_transfer.h"
#include "radeon_winsys.h"
#include "r300_winsys.h"
@@ -210,6 +210,9 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
{
uint32_t retval = 0;
boolean is_r500 = r300_screen(screen)->caps->is_r500;
+ boolean is_z24 = format == PIPE_FORMAT_X8Z24_UNORM ||
+ format == PIPE_FORMAT_S8Z24_UNORM;
+ boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM;
if (target >= PIPE_MAX_TEXTURE_TYPES) {
debug_printf("r300: Implementation error: Received bogus texture "
@@ -217,154 +220,36 @@ static boolean r300_is_format_supported(struct pipe_screen* screen,
return FALSE;
}
- switch (format) {
- /* Supported formats. */
- /* Colorbuffer */
- case PIPE_FORMAT_A8_UNORM:
- case PIPE_FORMAT_L8_UNORM:
- retval = usage &
- (PIPE_TEXTURE_USAGE_RENDER_TARGET |
- PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY);
- break;
-
- /* Texture */
- case PIPE_FORMAT_A8R8G8B8_SRGB:
- case PIPE_FORMAT_R8G8B8A8_SRGB:
- case PIPE_FORMAT_DXT1_RGB:
- case PIPE_FORMAT_DXT1_RGBA:
- case PIPE_FORMAT_DXT3_RGBA:
- case PIPE_FORMAT_DXT5_RGBA:
- case PIPE_FORMAT_YCBCR:
- case PIPE_FORMAT_L8_SRGB:
- case PIPE_FORMAT_A8L8_SRGB:
- case PIPE_FORMAT_A8L8_UNORM:
- retval = usage & PIPE_TEXTURE_USAGE_SAMPLER;
- break;
-
- /* Colorbuffer or texture */
- case PIPE_FORMAT_R5G6B5_UNORM:
- case PIPE_FORMAT_A1R5G5B5_UNORM:
- case PIPE_FORMAT_A4R4G4B4_UNORM:
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- case PIPE_FORMAT_R8G8B8A8_UNORM:
- case PIPE_FORMAT_R8G8B8X8_UNORM:
- case PIPE_FORMAT_I8_UNORM:
- retval = usage &
- (PIPE_TEXTURE_USAGE_RENDER_TARGET |
- PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY |
- PIPE_TEXTURE_USAGE_SAMPLER);
- break;
-
- /* Z buffer or texture */
- case PIPE_FORMAT_Z16_UNORM:
- retval = usage &
- (PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
- PIPE_TEXTURE_USAGE_SAMPLER);
- break;
-
- /* 24bit Z buffer can only be used as a texture on R500. */
- case PIPE_FORMAT_Z24X8_UNORM:
- /* Z buffer with stencil or texture */
- case PIPE_FORMAT_Z24S8_UNORM:
- retval = usage &
- (PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
- (is_r500 ? PIPE_TEXTURE_USAGE_SAMPLER : 0));
- break;
-
- /* Definitely unsupported formats. */
- /* Non-usable Z buffer/stencil formats. */
- case PIPE_FORMAT_Z32_UNORM:
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
- SCREEN_DBG(r300_screen(screen), DBG_TEX,
- "r300: Note: Got unsupported format: %s in %s\n",
- util_format_name(format), __FUNCTION__);
- return FALSE;
-
- /* XXX Add all remaining gallium-supported formats,
- * see util/u_format.csv. */
-
- default:
- /* Unknown format... */
- debug_printf("r300: Warning: Got unknown format: %s in %s\n",
- util_format_name(format), __FUNCTION__);
- break;
+ /* Check sampler format support. */
+ if ((usage & PIPE_TEXTURE_USAGE_SAMPLER) &&
+ /* Z24 cannot be sampled from on non-r5xx. */
+ (is_r500 || !is_z24) &&
+ r300_is_sampler_format_supported(format)) {
+ retval |= PIPE_TEXTURE_USAGE_SAMPLER;
}
- /* If usage was a mask that contained multiple bits, and not all of them
- * are supported, this will catch that and return FALSE.
- * e.g. usage = 2 | 4; retval = 4; (retval >= usage) == FALSE
- *
- * This also returns FALSE for any unknown formats.
- */
- return (retval >= usage);
-}
-
-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;
- struct r300_screen *rscreen = r300_screen(screen);
- unsigned offset;
-
- offset = r300_texture_get_offset(tex, level, zslice, face); /* in bytes */
-
- trans = CALLOC_STRUCT(r300_transfer);
- if (trans) {
- pipe_texture_reference(&trans->transfer.texture, texture);
- trans->transfer.x = x;
- trans->transfer.y = y;
- trans->transfer.width = w;
- trans->transfer.height = h;
- trans->transfer.stride = r300_texture_get_stride(rscreen, tex, level);
- trans->transfer.usage = usage;
- trans->transfer.zslice = zslice;
- trans->transfer.face = face;
-
- trans->offset = offset;
+ /* Check colorbuffer format support. */
+ if ((usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET |
+ PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_SCANOUT |
+ PIPE_TEXTURE_USAGE_SHARED)) &&
+ /* 2101010 cannot be rendered to on non-r5xx. */
+ (is_r500 || !is_color2101010) &&
+ r300_is_colorbuffer_format_supported(format)) {
+ retval |= usage &
+ (PIPE_TEXTURE_USAGE_RENDER_TARGET |
+ PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_SCANOUT |
+ PIPE_TEXTURE_USAGE_SHARED);
}
- return &trans->transfer;
-}
-
-static void
-r300_tex_transfer_destroy(struct pipe_transfer *trans)
-{
- 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;
- enum pipe_format format = tex->tex.format;
- map = pipe_buffer_map(screen, tex->buffer,
- pipe_transfer_buffer_flags(transfer));
-
- if (!map) {
- return NULL;
+ /* Check depth-stencil format support. */
+ if (usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL &&
+ r300_is_zs_format_supported(format)) {
+ retval |= PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
}
- return map + r300_transfer(transfer)->offset +
- transfer->y / util_format_get_blockheight(format) * transfer->stride +
- transfer->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
-}
-
-static void r300_transfer_unmap(struct pipe_screen* screen,
- struct pipe_transfer* transfer)
-{
- struct r300_texture* tex = (struct r300_texture*)transfer->texture;
- pipe_buffer_unmap(screen, tex->buffer);
+ return retval == usage;
}
static void r300_destroy_screen(struct pipe_screen* pscreen)
@@ -403,13 +288,11 @@ struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys)
r300screen->screen.get_paramf = r300_get_paramf;
r300screen->screen.is_format_supported = r300_is_format_supported;
r300screen->screen.context_create = r300_create_context;
- 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);
+ r300_init_screen_transfer_functions(&r300screen->screen);
u_simple_screen_init(&r300screen->screen);
return &r300screen->screen;
}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 04:44:54 +0000