diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_screen.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_screen.c | 137 |
1 files changed, 28 insertions, 109 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c index 5fa1ea0850..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" @@ -210,8 +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_Z24X8_UNORM || - format == PIPE_FORMAT_Z24S8_UNORM; + 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 " @@ -221,114 +222,34 @@ static boolean r300_is_format_supported(struct pipe_screen* screen, /* Check sampler format support. */ if ((usage & PIPE_TEXTURE_USAGE_SAMPLER) && - (is_r500 || !is_z24) && /* Z24 cannot be sampled from on non-r5xx. */ - r300_translate_texformat(format) != ~0) { + /* Z24 cannot be sampled from on non-r5xx. */ + (is_r500 || !is_z24) && + r300_is_sampler_format_supported(format)) { retval |= PIPE_TEXTURE_USAGE_SAMPLER; } - switch (format) { - /* Supported formats. */ - /* Colorbuffer */ - case PIPE_FORMAT_A8_UNORM: - case PIPE_FORMAT_L8_UNORM: - 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); - break; - - /* ZS buffer */ - case PIPE_FORMAT_Z16_UNORM: - case PIPE_FORMAT_Z24X8_UNORM: - case PIPE_FORMAT_Z24S8_UNORM: - retval = usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL; - break; - - /* XXX Add all remaining gallium-supported formats, - * see util/u_format.csv. */ - - default:; + /* 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); } - /* 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 depth-stencil format support. */ + if (usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL && + r300_is_zs_format_supported(format)) { + retval |= PIPE_TEXTURE_USAGE_DEPTH_STENCIL; } - 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; - } - - 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) @@ -367,13 +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; } + |