diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_vertex.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_pipe_vertex.c | 247 |
1 files changed, 239 insertions, 8 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_vertex.c b/src/gallium/drivers/i965/brw_pipe_vertex.c index e3c48e3149..3d84fb86fb 100644 --- a/src/gallium/drivers/i965/brw_pipe_vertex.c +++ b/src/gallium/drivers/i965/brw_pipe_vertex.c @@ -1,22 +1,251 @@ #include "brw_context.h" +#include "brw_defines.h" +#include "brw_structs.h" +#include "util/u_memory.h" +#include "util/u_format.h" -static void brw_set_vertex_elements( struct pipe_context *pipe, - unsigned count, - const struct pipe_vertex_element *elements ) + +static unsigned brw_translate_surface_format( unsigned id ) +{ + switch (id) { + case PIPE_FORMAT_R64_FLOAT: + return BRW_SURFACEFORMAT_R64_FLOAT; + case PIPE_FORMAT_R64G64_FLOAT: + return BRW_SURFACEFORMAT_R64G64_FLOAT; + case PIPE_FORMAT_R64G64B64_FLOAT: + return BRW_SURFACEFORMAT_R64G64B64_FLOAT; + case PIPE_FORMAT_R64G64B64A64_FLOAT: + return BRW_SURFACEFORMAT_R64G64B64A64_FLOAT; + + case PIPE_FORMAT_R32_FLOAT: + return BRW_SURFACEFORMAT_R32_FLOAT; + case PIPE_FORMAT_R32G32_FLOAT: + return BRW_SURFACEFORMAT_R32G32_FLOAT; + case PIPE_FORMAT_R32G32B32_FLOAT: + return BRW_SURFACEFORMAT_R32G32B32_FLOAT; + case PIPE_FORMAT_R32G32B32A32_FLOAT: + return BRW_SURFACEFORMAT_R32G32B32A32_FLOAT; + + case PIPE_FORMAT_R32_UNORM: + return BRW_SURFACEFORMAT_R32_UNORM; + case PIPE_FORMAT_R32G32_UNORM: + return BRW_SURFACEFORMAT_R32G32_UNORM; + case PIPE_FORMAT_R32G32B32_UNORM: + return BRW_SURFACEFORMAT_R32G32B32_UNORM; + case PIPE_FORMAT_R32G32B32A32_UNORM: + return BRW_SURFACEFORMAT_R32G32B32A32_UNORM; + + case PIPE_FORMAT_R32_USCALED: + return BRW_SURFACEFORMAT_R32_USCALED; + case PIPE_FORMAT_R32G32_USCALED: + return BRW_SURFACEFORMAT_R32G32_USCALED; + case PIPE_FORMAT_R32G32B32_USCALED: + return BRW_SURFACEFORMAT_R32G32B32_USCALED; + case PIPE_FORMAT_R32G32B32A32_USCALED: + return BRW_SURFACEFORMAT_R32G32B32A32_USCALED; + + case PIPE_FORMAT_R32_SNORM: + return BRW_SURFACEFORMAT_R32_SNORM; + case PIPE_FORMAT_R32G32_SNORM: + return BRW_SURFACEFORMAT_R32G32_SNORM; + case PIPE_FORMAT_R32G32B32_SNORM: + return BRW_SURFACEFORMAT_R32G32B32_SNORM; + case PIPE_FORMAT_R32G32B32A32_SNORM: + return BRW_SURFACEFORMAT_R32G32B32A32_SNORM; + + case PIPE_FORMAT_R32_SSCALED: + return BRW_SURFACEFORMAT_R32_SSCALED; + case PIPE_FORMAT_R32G32_SSCALED: + return BRW_SURFACEFORMAT_R32G32_SSCALED; + case PIPE_FORMAT_R32G32B32_SSCALED: + return BRW_SURFACEFORMAT_R32G32B32_SSCALED; + case PIPE_FORMAT_R32G32B32A32_SSCALED: + return BRW_SURFACEFORMAT_R32G32B32A32_SSCALED; + + case PIPE_FORMAT_R16_UNORM: + return BRW_SURFACEFORMAT_R16_UNORM; + case PIPE_FORMAT_R16G16_UNORM: + return BRW_SURFACEFORMAT_R16G16_UNORM; + case PIPE_FORMAT_R16G16B16_UNORM: + return BRW_SURFACEFORMAT_R16G16B16_UNORM; + case PIPE_FORMAT_R16G16B16A16_UNORM: + return BRW_SURFACEFORMAT_R16G16B16A16_UNORM; + + case PIPE_FORMAT_R16_USCALED: + return BRW_SURFACEFORMAT_R16_USCALED; + case PIPE_FORMAT_R16G16_USCALED: + return BRW_SURFACEFORMAT_R16G16_USCALED; + case PIPE_FORMAT_R16G16B16_USCALED: + return BRW_SURFACEFORMAT_R16G16B16_USCALED; + case PIPE_FORMAT_R16G16B16A16_USCALED: + return BRW_SURFACEFORMAT_R16G16B16A16_USCALED; + + case PIPE_FORMAT_R16_SNORM: + return BRW_SURFACEFORMAT_R16_SNORM; + case PIPE_FORMAT_R16G16_SNORM: + return BRW_SURFACEFORMAT_R16G16_SNORM; + case PIPE_FORMAT_R16G16B16_SNORM: + return BRW_SURFACEFORMAT_R16G16B16_SNORM; + case PIPE_FORMAT_R16G16B16A16_SNORM: + return BRW_SURFACEFORMAT_R16G16B16A16_SNORM; + + case PIPE_FORMAT_R16_SSCALED: + return BRW_SURFACEFORMAT_R16_SSCALED; + case PIPE_FORMAT_R16G16_SSCALED: + return BRW_SURFACEFORMAT_R16G16_SSCALED; + case PIPE_FORMAT_R16G16B16_SSCALED: + return BRW_SURFACEFORMAT_R16G16B16_SSCALED; + case PIPE_FORMAT_R16G16B16A16_SSCALED: + return BRW_SURFACEFORMAT_R16G16B16A16_SSCALED; + + case PIPE_FORMAT_R8_UNORM: + return BRW_SURFACEFORMAT_R8_UNORM; + case PIPE_FORMAT_R8G8_UNORM: + return BRW_SURFACEFORMAT_R8G8_UNORM; + case PIPE_FORMAT_R8G8B8_UNORM: + return BRW_SURFACEFORMAT_R8G8B8_UNORM; + case PIPE_FORMAT_R8G8B8A8_UNORM: + return BRW_SURFACEFORMAT_R8G8B8A8_UNORM; + + case PIPE_FORMAT_R8_USCALED: + return BRW_SURFACEFORMAT_R8_USCALED; + case PIPE_FORMAT_R8G8_USCALED: + return BRW_SURFACEFORMAT_R8G8_USCALED; + case PIPE_FORMAT_R8G8B8_USCALED: + return BRW_SURFACEFORMAT_R8G8B8_USCALED; + case PIPE_FORMAT_R8G8B8A8_USCALED: + return BRW_SURFACEFORMAT_R8G8B8A8_USCALED; + + case PIPE_FORMAT_R8_SNORM: + return BRW_SURFACEFORMAT_R8_SNORM; + case PIPE_FORMAT_R8G8_SNORM: + return BRW_SURFACEFORMAT_R8G8_SNORM; + case PIPE_FORMAT_R8G8B8_SNORM: + return BRW_SURFACEFORMAT_R8G8B8_SNORM; + case PIPE_FORMAT_R8G8B8A8_SNORM: + return BRW_SURFACEFORMAT_R8G8B8A8_SNORM; + + case PIPE_FORMAT_R8_SSCALED: + return BRW_SURFACEFORMAT_R8_SSCALED; + case PIPE_FORMAT_R8G8_SSCALED: + return BRW_SURFACEFORMAT_R8G8_SSCALED; + case PIPE_FORMAT_R8G8B8_SSCALED: + return BRW_SURFACEFORMAT_R8G8B8_SSCALED; + case PIPE_FORMAT_R8G8B8A8_SSCALED: + return BRW_SURFACEFORMAT_R8G8B8A8_SSCALED; + + default: + assert(0); + return 0; + } +} + +static void brw_translate_vertex_elements(struct brw_context *brw, + struct brw_vertex_element_packet *brw_velems, + const struct pipe_vertex_element *attribs, + unsigned count) +{ + unsigned i; + + /* If the VS doesn't read any inputs (calculating vertex position from + * a state variable for some reason, for example), emit a single pad + * VERTEX_ELEMENT struct and bail. + * + * The stale VB state stays in place, but they don't do anything unless + * a VE loads from them. + */ + brw_velems->header.opcode = CMD_VERTEX_ELEMENT; + + if (count == 0) { + brw_velems->header.length = 1; + brw_velems->ve[0].ve0.src_offset = 0; + brw_velems->ve[0].ve0.src_format = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT; + brw_velems->ve[0].ve0.valid = 1; + brw_velems->ve[0].ve0.vertex_buffer_index = 0; + brw_velems->ve[0].ve1.dst_offset = 0; + brw_velems->ve[0].ve1.vfcomponent0 = BRW_VE1_COMPONENT_STORE_0; + brw_velems->ve[0].ve1.vfcomponent1 = BRW_VE1_COMPONENT_STORE_0; + brw_velems->ve[0].ve1.vfcomponent2 = BRW_VE1_COMPONENT_STORE_0; + brw_velems->ve[0].ve1.vfcomponent3 = BRW_VE1_COMPONENT_STORE_1_FLT; + return; + } + + + /* Now emit vertex element (VEP) state packets. + * + */ + brw_velems->header.length = (1 + count * 2) - 2; + for (i = 0; i < count; i++) { + const struct pipe_vertex_element *input = &attribs[i]; + unsigned nr_components = util_format_get_nr_components(input->src_format); + + uint32_t format = brw_translate_surface_format( input->src_format ); + uint32_t comp0 = BRW_VE1_COMPONENT_STORE_SRC; + uint32_t comp1 = BRW_VE1_COMPONENT_STORE_SRC; + uint32_t comp2 = BRW_VE1_COMPONENT_STORE_SRC; + uint32_t comp3 = BRW_VE1_COMPONENT_STORE_SRC; + + switch (nr_components) { + case 0: comp0 = BRW_VE1_COMPONENT_STORE_0; /* fallthrough */ + case 1: comp1 = BRW_VE1_COMPONENT_STORE_0; /* fallthrough */ + case 2: comp2 = BRW_VE1_COMPONENT_STORE_0; /* fallthrough */ + case 3: comp3 = BRW_VE1_COMPONENT_STORE_1_FLT; + break; + } + + brw_velems->ve[i].ve0.src_offset = input->src_offset; + brw_velems->ve[i].ve0.src_format = format; + brw_velems->ve[i].ve0.valid = 1; + brw_velems->ve[i].ve0.vertex_buffer_index = input->vertex_buffer_index; + brw_velems->ve[i].ve1.vfcomponent0 = comp0; + brw_velems->ve[i].ve1.vfcomponent1 = comp1; + brw_velems->ve[i].ve1.vfcomponent2 = comp2; + brw_velems->ve[i].ve1.vfcomponent3 = comp3; + + if (BRW_IS_IGDNG(brw)) + brw_velems->ve[i].ve1.dst_offset = 0; + else + brw_velems->ve[i].ve1.dst_offset = i * 4; + } +} + +static void* brw_create_vertex_elements_state( struct pipe_context *pipe, + unsigned count, + const struct pipe_vertex_element *attribs ) { + /* note: for the brw_swtnl.c code (if ever we need draw fallback) we'd also need + store the original data */ struct brw_context *brw = brw_context(pipe); + struct brw_vertex_element_packet *velems; + assert(count <= BRW_VEP_MAX); + velems = (struct brw_vertex_element_packet *) MALLOC(sizeof(struct brw_vertex_element_packet)); + if (velems) { + brw_translate_vertex_elements(brw, velems, attribs, count); + } + return velems; +} - memcpy(brw->curr.vertex_element, elements, count * sizeof(elements[0])); - brw->curr.num_vertex_elements = count; +static void brw_bind_vertex_elements_state(struct pipe_context *pipe, + void *velems) +{ + struct brw_context *brw = brw_context(pipe); + struct brw_vertex_element_packet *brw_velems = (struct brw_vertex_element_packet *) velems; + + brw->curr.velems = brw_velems; brw->state.dirty.mesa |= PIPE_NEW_VERTEX_ELEMENT; } +static void brw_delete_vertex_elements_state(struct pipe_context *pipe, void *velems) +{ + FREE( velems ); +} + static void brw_set_vertex_buffers(struct pipe_context *pipe, - unsigned count, - const struct pipe_vertex_buffer *buffers) + unsigned count, + const struct pipe_vertex_buffer *buffers) { struct brw_context *brw = brw_context(pipe); unsigned i; @@ -49,7 +278,9 @@ void brw_pipe_vertex_init( struct brw_context *brw ) { brw->base.set_vertex_buffers = brw_set_vertex_buffers; - brw->base.set_vertex_elements = brw_set_vertex_elements; + brw->base.create_vertex_elements_state = brw_create_vertex_elements_state; + brw->base.bind_vertex_elements_state = brw_bind_vertex_elements_state; + brw->base.delete_vertex_elements_state = brw_delete_vertex_elements_state; } |