X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fsvga%2Fsvga_pipe_vertex.c;h=faf77f3ab630391609d9eb15eab48241c5187099;hb=13862812dc910a4ef57cb72cb9fe777ce3c14515;hp=86c79459f3e51c3c31e2d1d615da1e491c541a29;hpb=6d28bf917fb1d741d90fd3f05c22769376021fca;p=mesa.git diff --git a/src/gallium/drivers/svga/svga_pipe_vertex.c b/src/gallium/drivers/svga/svga_pipe_vertex.c index 86c79459f3e..faf77f3ab63 100644 --- a/src/gallium/drivers/svga/svga_pipe_vertex.c +++ b/src/gallium/drivers/svga/svga_pipe_vertex.c @@ -23,10 +23,12 @@ * **********************************************************/ +#include "util/u_helpers.h" #include "util/u_inlines.h" #include "pipe/p_defines.h" #include "util/u_math.h" #include "util/u_memory.h" +#include "util/u_transfer.h" #include "tgsi/tgsi_parse.h" #include "svga_screen.h" @@ -35,32 +37,14 @@ static void svga_set_vertex_buffers(struct pipe_context *pipe, - unsigned count, + unsigned start_slot, unsigned count, const struct pipe_vertex_buffer *buffers) { struct svga_context *svga = svga_context(pipe); - unsigned i; - boolean any_user_buffer = FALSE; - - /* Check for no change */ - if (count == svga->curr.num_vertex_buffers && - memcmp(svga->curr.vb, buffers, count * sizeof buffers[0]) == 0) - return; - - /* Adjust refcounts */ - for (i = 0; i < count; i++) { - pipe_resource_reference(&svga->curr.vb[i].buffer, buffers[i].buffer); - if (svga_buffer_is_user_buffer(buffers[i].buffer)) - any_user_buffer = TRUE; - } - - for ( ; i < svga->curr.num_vertex_buffers; i++) - pipe_resource_reference(&svga->curr.vb[i].buffer, NULL); - /* Copy remaining data */ - memcpy(svga->curr.vb, buffers, count * sizeof buffers[0]); - svga->curr.num_vertex_buffers = count; - svga->curr.any_user_vertex_buffers = any_user_buffer; + util_set_vertex_buffers_count(svga->curr.vb, + &svga->curr.num_vertex_buffers, + buffers, start_slot, count); svga->dirty |= SVGA_NEW_VBUFFER; } @@ -84,6 +68,85 @@ static void svga_set_index_buffer(struct pipe_context *pipe, } +/** + * Given a gallium vertex element format, return the corresponding SVGA3D + * format. Return SVGA3D_DECLTYPE_MAX for unsupported gallium formats. + */ +static SVGA3dDeclType +translate_vertex_format(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_R32_FLOAT: return SVGA3D_DECLTYPE_FLOAT1; + case PIPE_FORMAT_R32G32_FLOAT: return SVGA3D_DECLTYPE_FLOAT2; + case PIPE_FORMAT_R32G32B32_FLOAT: return SVGA3D_DECLTYPE_FLOAT3; + case PIPE_FORMAT_R32G32B32A32_FLOAT: return SVGA3D_DECLTYPE_FLOAT4; + case PIPE_FORMAT_B8G8R8A8_UNORM: return SVGA3D_DECLTYPE_D3DCOLOR; + case PIPE_FORMAT_R8G8B8A8_USCALED: return SVGA3D_DECLTYPE_UBYTE4; + case PIPE_FORMAT_R16G16_SSCALED: return SVGA3D_DECLTYPE_SHORT2; + case PIPE_FORMAT_R16G16B16A16_SSCALED: return SVGA3D_DECLTYPE_SHORT4; + case PIPE_FORMAT_R8G8B8A8_UNORM: return SVGA3D_DECLTYPE_UBYTE4N; + case PIPE_FORMAT_R16G16_SNORM: return SVGA3D_DECLTYPE_SHORT2N; + case PIPE_FORMAT_R16G16B16A16_SNORM: return SVGA3D_DECLTYPE_SHORT4N; + case PIPE_FORMAT_R16G16_UNORM: return SVGA3D_DECLTYPE_USHORT2N; + case PIPE_FORMAT_R16G16B16A16_UNORM: return SVGA3D_DECLTYPE_USHORT4N; + case PIPE_FORMAT_R10G10B10X2_USCALED: return SVGA3D_DECLTYPE_UDEC3; + case PIPE_FORMAT_R10G10B10X2_SNORM: return SVGA3D_DECLTYPE_DEC3N; + case PIPE_FORMAT_R16G16_FLOAT: return SVGA3D_DECLTYPE_FLOAT16_2; + case PIPE_FORMAT_R16G16B16A16_FLOAT: return SVGA3D_DECLTYPE_FLOAT16_4; + + /* See attrib_needs_adjustment() and attrib_needs_w_to_1() below */ + case PIPE_FORMAT_R8G8B8_SNORM: return SVGA3D_DECLTYPE_UBYTE4N; + + /* See attrib_needs_w_to_1() below */ + case PIPE_FORMAT_R16G16B16_SNORM: return SVGA3D_DECLTYPE_SHORT4N; + case PIPE_FORMAT_R16G16B16_UNORM: return SVGA3D_DECLTYPE_USHORT4N; + case PIPE_FORMAT_R8G8B8_UNORM: return SVGA3D_DECLTYPE_UBYTE4N; + + default: + /* There are many formats without hardware support. This case + * will be hit regularly, meaning we'll need swvfetch. + */ + return SVGA3D_DECLTYPE_MAX; + } +} + + +/** + * Does the given vertex attrib format need range adjustment in the VS? + * Range adjustment scales and biases values from [0,1] to [-1,1]. + * This lets us avoid the swtnl path. + */ +static boolean +attrib_needs_range_adjustment(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_R8G8B8_SNORM: + return TRUE; + default: + return FALSE; + } +} + + +/** + * Does the given vertex attrib format need to have the W component set + * to one in the VS? + */ +static boolean +attrib_needs_w_to_1(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_R8G8B8_SNORM: + case PIPE_FORMAT_R8G8B8_UNORM: + case PIPE_FORMAT_R16G16B16_SNORM: + case PIPE_FORMAT_R16G16B16_UNORM: + return TRUE; + default: + return FALSE; + } +} + + static void * svga_create_vertex_elements_state(struct pipe_context *pipe, unsigned count, @@ -93,8 +156,32 @@ svga_create_vertex_elements_state(struct pipe_context *pipe, assert(count <= PIPE_MAX_ATTRIBS); velems = (struct svga_velems_state *) MALLOC(sizeof(struct svga_velems_state)); if (velems) { + unsigned i; + velems->count = count; memcpy(velems->velem, attribs, sizeof(*attribs) * count); + + velems->need_swvfetch = FALSE; + velems->adjust_attrib_range = 0x0; + velems->adjust_attrib_w_1 = 0x0; + + /* Translate Gallium vertex format to SVGA3dDeclType */ + for (i = 0; i < count; i++) { + enum pipe_format f = attribs[i].src_format; + velems->decl_type[i] = translate_vertex_format(f); + if (velems->decl_type[i] == SVGA3D_DECLTYPE_MAX) { + /* Unsupported format - use software fetch */ + velems->need_swvfetch = TRUE; + break; + } + + if (attrib_needs_range_adjustment(f)) { + velems->adjust_attrib_range |= (1 << i); + } + if (attrib_needs_w_to_1(f)) { + velems->adjust_attrib_w_1 |= (1 << i); + } + } } return velems; }