diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_screen.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_screen.c | 168 |
1 files changed, 89 insertions, 79 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c index 81d01b1..287664b 100644 --- a/src/gallium/drivers/r300/r300_screen.c +++ b/src/gallium/drivers/r300/r300_screen.c @@ -20,7 +20,16 @@ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ +#include "pipe/p_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 "radeon_winsys.h" /* Return the identifier behind whom the brave coders responsible for this * amalgamation of code, sweat, and duct tape, routinely obscure their names. @@ -73,14 +82,14 @@ static int r300_get_param(struct pipe_screen* pscreen, int param) struct r300_screen* r300screen = r300_screen(pscreen); switch (param) { - /* XXX cases marked "IN THEORY" are possible on the hardware, - * but haven't been implemented yet. */ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: + case PIPE_CAP_MAX_COMBINED_SAMPLERS: /* XXX I'm told this goes up to 16 */ return 8; case PIPE_CAP_NPOT_TEXTURES: - /* IN THEORY */ - return 0; + /* XXX enable now to get GL2.1 API, + * figure out later how to emulate this */ + return 1; case PIPE_CAP_TWO_SIDED_STENCIL: if (r300screen->caps->is_r500) { return 1; @@ -88,16 +97,26 @@ static int r300_get_param(struct pipe_screen* pscreen, int param) return 0; } case PIPE_CAP_GLSL: - if (r300screen->caps->is_r500) { - return 1; - } else { - return 0; - } + /* I'll be frank. This is a lie. + * + * We don't truly support GLSL on any of this driver's chipsets. + * To be fair, no chipset supports the full GLSL specification + * to the best of our knowledge, but some of the less esoteric + * features are still missing here. + * + * Rather than cripple ourselves intentionally, I'm going to set + * this flag, and as Gallium's interface continues to change, I + * hope that this single monolithic GLSL enable can slowly get + * split down into many different pieces and the state tracker + * will handle fallbacks transparently, like it should. + * + * ~ C. + */ + return 1; case PIPE_CAP_ANISOTROPIC_FILTER: return 1; case PIPE_CAP_POINT_SPRITE: - /* IN THEORY */ - return 0; + return 1; case PIPE_CAP_MAX_RENDER_TARGETS: return 4; case PIPE_CAP_OCCLUSION_QUERY: @@ -105,32 +124,13 @@ static int r300_get_param(struct pipe_screen* pscreen, int param) case PIPE_CAP_TEXTURE_SHADOW_MAP: return 1; case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: - if (r300screen->caps->is_r500) { - /* 13 == 4096x4096 */ - return 13; - } else { - /* 12 == 2048x2048 */ - return 12; - } case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: - /* So, technically, the limit is the same as above, but some math - * 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 or raise this limit. */ - if (r300screen->caps->is_r500) { - /* 9 == 256x256x256 */ - return 9; - } else { - /* 8 == 128*128*128 */ - return 8; - } case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: if (r300screen->caps->is_r500) { - /* 13 == 4096x4096 */ + /* 13 == 4096 */ return 13; } else { - /* 12 == 2048x2048 */ + /* 12 == 2048 */ return 12; } case PIPE_CAP_TEXTURE_MIRROR_CLAMP: @@ -138,13 +138,17 @@ 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 (what a terrible guess) */ - return 2; + return 0; case PIPE_CAP_TGSI_CONT_SUPPORTED: - /* XXX */ return 0; case PIPE_CAP_BLEND_EQUATION_SEPARATE: return 1; + case PIPE_CAP_SM3: + if (r300screen->caps->is_r500) { + return 1; + } else { + return 0; + } default: debug_printf("r300: Implementation error: Bad param %d\n", param); @@ -179,19 +183,22 @@ static float r300_get_paramf(struct pipe_screen* pscreen, int param) } } -static boolean check_tex_2d_format(enum pipe_format format, uint32_t usage, - boolean is_r500) +static boolean check_tex_format(enum pipe_format format, uint32_t usage, + boolean is_r500) { + uint32_t retval = 0; + switch (format) { /* Supported formats. */ /* Colorbuffer */ case PIPE_FORMAT_A4R4G4B4_UNORM: case PIPE_FORMAT_R5G6B5_UNORM: case PIPE_FORMAT_A1R5G5B5_UNORM: - return usage & + retval = usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET | PIPE_TEXTURE_USAGE_DISPLAY_TARGET | PIPE_TEXTURE_USAGE_PRIMARY); + break; /* Texture */ case PIPE_FORMAT_A8R8G8B8_SRGB: @@ -201,7 +208,10 @@ static boolean check_tex_2d_format(enum pipe_format format, uint32_t usage, case PIPE_FORMAT_DXT3_RGBA: case PIPE_FORMAT_DXT5_RGBA: case PIPE_FORMAT_YCBCR: - return usage & PIPE_TEXTURE_USAGE_SAMPLER; + case PIPE_FORMAT_L8_UNORM: + case PIPE_FORMAT_A8L8_UNORM: + retval = usage & PIPE_TEXTURE_USAGE_SAMPLER; + break; /* Colorbuffer or texture */ case PIPE_FORMAT_A8R8G8B8_UNORM: @@ -209,25 +219,32 @@ static boolean check_tex_2d_format(enum pipe_format format, uint32_t usage, case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8X8_UNORM: case PIPE_FORMAT_I8_UNORM: - return usage & + retval = usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET | PIPE_TEXTURE_USAGE_DISPLAY_TARGET | PIPE_TEXTURE_USAGE_PRIMARY | PIPE_TEXTURE_USAGE_SAMPLER); + break; - /* Z buffer */ + /* Z buffer or texture */ case PIPE_FORMAT_Z16_UNORM: - return usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL; + 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: - return usage & + retval = usage & (PIPE_TEXTURE_USAGE_DEPTH_STENCIL | - PIPE_TEXTURE_USAGE_SAMPLER); + (is_r500 ? PIPE_TEXTURE_USAGE_SAMPLER : 0)); + break; /* Definitely unsupported formats. */ /* Non-usable Z buffer/stencil formats. */ - case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z32_UNORM: case PIPE_FORMAT_S8Z24_UNORM: case PIPE_FORMAT_X8Z24_UNORM: debug_printf("r300: Note: Got unsupported format: %s in %s\n", @@ -237,7 +254,6 @@ static boolean check_tex_2d_format(enum pipe_format format, uint32_t usage, /* 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__); @@ -261,10 +277,15 @@ static boolean check_tex_2d_format(enum pipe_format format, uint32_t usage, break; } - return FALSE; + /* 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); } -/* XXX moar targets */ static boolean r300_is_format_supported(struct pipe_screen* pscreen, enum pipe_format format, enum pipe_texture_target target, @@ -272,15 +293,13 @@ static boolean r300_is_format_supported(struct pipe_screen* pscreen, unsigned geom_flags) { switch (target) { + case PIPE_TEXTURE_1D: /* handle 1D textures as 2D ones */ case PIPE_TEXTURE_2D: - return check_tex_2d_format(format, tex_usage, - r300_screen(pscreen)->caps->is_r500); - case PIPE_TEXTURE_1D: case PIPE_TEXTURE_3D: case PIPE_TEXTURE_CUBE: - debug_printf("r300: Implementation error: Unsupported format " - "target: %d\n", target); - break; + return check_tex_format(format, tex_usage, + r300_screen(pscreen)->caps->is_r500); + default: debug_printf("r300: Fatal: This is not a format target: %d\n", target); @@ -300,36 +319,25 @@ r300_get_tex_transfer(struct pipe_screen *screen, { struct r300_texture *tex = (struct r300_texture *)texture; struct r300_transfer *trans; - unsigned offset; /* in bytes */ + unsigned offset; - /* 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); - } + 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.format = texture->format; trans->transfer.x = x; trans->transfer.y = y; 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 = r300_texture_get_stride(tex, level); trans->transfer.usage = usage; + + /* XXX not sure whether it's required to set these two, + the driver doesn't use them */ + trans->transfer.zslice = zslice; + trans->transfer.face = face; + trans->offset = offset; } return &trans->transfer; @@ -347,6 +355,7 @@ static void* r300_transfer_map(struct pipe_screen* screen, { 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)); @@ -356,8 +365,8 @@ static void* r300_transfer_map(struct pipe_screen* screen, } return map + r300_transfer(transfer)->offset + - transfer->y / transfer->block.height * transfer->stride + - transfer->x / transfer->block.width * transfer->block.size; + 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, @@ -375,7 +384,7 @@ static void r300_destroy_screen(struct pipe_screen* pscreen) FREE(r300screen); } -struct pipe_screen* r300_create_screen(struct r300_winsys* r300_winsys) +struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys) { struct r300_screen* r300screen = CALLOC_STRUCT(r300_screen); struct r300_capabilities* caps = CALLOC_STRUCT(r300_capabilities); @@ -383,13 +392,14 @@ struct pipe_screen* r300_create_screen(struct r300_winsys* r300_winsys) if (!r300screen || !caps) return NULL; - caps->pci_id = r300_winsys->pci_id; - caps->num_frag_pipes = r300_winsys->gb_pipes; + caps->pci_id = radeon_winsys->pci_id; + caps->num_frag_pipes = radeon_winsys->gb_pipes; + caps->num_z_pipes = radeon_winsys->z_pipes; r300_parse_chipset(caps); r300screen->caps = caps; - r300screen->screen.winsys = (struct pipe_winsys*)r300_winsys; + r300screen->screen.winsys = (struct pipe_winsys*)radeon_winsys; r300screen->screen.destroy = r300_destroy_screen; r300screen->screen.get_name = r300_get_name; r300screen->screen.get_vendor = r300_get_vendor; |