diff options
Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 283 |
1 files changed, 235 insertions, 48 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index e1bc108eae..bdf8648ef7 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -32,6 +32,7 @@ #include "main/imports.h" #include "main/image.h" +#include "main/macros.h" #include "vbo/vbo.h" @@ -228,7 +229,7 @@ setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count, if (!vec) return NULL; - map = pipe_buffer_map(pipe, stobj->buffer, PIPE_BUFFER_USAGE_CPU_READ); + map = pipe_buffer_map(pipe->screen, stobj->buffer, PIPE_BUFFER_USAGE_CPU_READ); map = ADD_POINTERS(map, array->Ptr); for (i = 0; i < count; i++) { @@ -238,7 +239,7 @@ setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count, map += array->StrideB; } - pipe_buffer_unmap(pipe, stobj->buffer); + pipe_buffer_unmap(pipe->screen, stobj->buffer); pipe->set_edgeflags(pipe, vec); @@ -252,40 +253,170 @@ setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count, } +/** + * Examine the active arrays to determine if we have interleaved + * vertex arrays all living in one VBO, or all living in user space. + * \param userSpace returns whether the arrays are in user space. + */ +static GLboolean +is_interleaved_arrays(const struct st_vertex_program *vp, + const struct gl_client_array **arrays, + GLboolean *userSpace) +{ + GLuint attr; + const struct gl_buffer_object *firstBufObj = NULL; + GLint firstStride = -1; + GLuint num_client_arrays = 0; + const GLubyte *client_addr = NULL; + + for (attr = 0; attr < vp->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj; + const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */ + + if (firstStride < 0) { + firstStride = stride; + } + else if (firstStride != stride) { + return GL_FALSE; + } + + if (!bufObj || !bufObj->Name) { + num_client_arrays++; + /* Try to detect if the client-space arrays are + * "close" to each other. + */ + if (!client_addr) { + client_addr = arrays[mesaAttr]->Ptr; + } + else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) { + /* arrays start too far apart */ + return GL_FALSE; + } + } + else if (!firstBufObj) { + firstBufObj = bufObj; + } + else if (bufObj != firstBufObj) { + return GL_FALSE; + } + } + + *userSpace = (num_client_arrays == vp->num_inputs); + /*printf("user space: %d\n", (int) *userSpace);*/ + + return GL_TRUE; +} + /** - * This function gets plugged into the VBO module and is called when - * we have something to render. - * Basically, translate the information into the format expected by pipe. + * Once we know all the arrays are in user space, this function + * computes the memory range occupied by the arrays. */ -void -st_draw_vbo(GLcontext *ctx, - const struct gl_client_array **arrays, - const struct _mesa_prim *prims, - GLuint nr_prims, - const struct _mesa_index_buffer *ib, - GLuint min_index, - GLuint max_index) +static void +get_user_arrays_bounds(const struct st_vertex_program *vp, + const struct gl_client_array **arrays, + GLuint max_index, + const GLubyte **low, const GLubyte **high) +{ + const GLubyte *low_addr = NULL; + GLuint attr; + GLint stride; + + for (attr = 0; attr < vp->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + const GLubyte *start = arrays[mesaAttr]->Ptr; + stride = arrays[mesaAttr]->StrideB; + if (attr == 0) { + low_addr = start; + } + else { + low_addr = MIN2(low_addr, start); + } + } + + *low = low_addr; + *high = low_addr + (max_index + 1) * stride; +} + + +/** + * Set up for drawing interleaved arrays that all live in one VBO + * or all live in user space. + * \param vbuffer returns vertex buffer info + * \param velements returns vertex element info + */ +static void +setup_interleaved_attribs(GLcontext *ctx, + const struct st_vertex_program *vp, + const struct gl_client_array **arrays, + GLuint max_index, + GLboolean userSpace, + struct pipe_vertex_buffer *vbuffer, + struct pipe_vertex_element velements[]) { struct pipe_context *pipe = ctx->st->pipe; - const struct st_vertex_program *vp; - const struct pipe_shader_state *vs; - struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS]; GLuint attr; - struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS]; + const GLubyte *offset0; - /* sanity check for pointer arithmetic below */ - assert(sizeof(arrays[0]->Ptr[0]) == 1); + for (attr = 0; attr < vp->num_inputs; attr++) { + const GLuint mesaAttr = vp->index_to_input[attr]; + struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; + struct st_buffer_object *stobj = st_buffer_object(bufobj); + GLsizei stride = arrays[mesaAttr]->StrideB; - st_validate_state(ctx->st); + /*printf("stobj %u = %p\n", attr, (void*)stobj);*/ + + if (attr == 0) { + if (userSpace) { + const GLubyte *low, *high; + get_user_arrays_bounds(vp, arrays, max_index, &low, &high); + /*printf("user buffer range: %p %p %d\n", low, high, high-low);*/ + vbuffer->buffer = + pipe_user_buffer_create(pipe->screen, (void *) low, high - low); + vbuffer->buffer_offset = 0; + offset0 = low; + } + else { + vbuffer->buffer = NULL; + pipe_buffer_reference(pipe->screen, &vbuffer->buffer, stobj->buffer); + vbuffer->buffer_offset = (unsigned) arrays[mesaAttr]->Ptr; + offset0 = arrays[mesaAttr]->Ptr; + } + vbuffer->pitch = stride; /* in bytes */ + vbuffer->max_index = max_index; + } - /* must get these after state validation! */ - vp = ctx->st->vp; - vs = &ctx->st->vp->state; + velements[attr].src_offset = + (unsigned) (arrays[mesaAttr]->Ptr - offset0); + velements[attr].vertex_buffer_index = 0; + velements[attr].nr_components = arrays[mesaAttr]->Size; + velements[attr].src_format = + pipe_vertex_format(arrays[mesaAttr]->Type, + arrays[mesaAttr]->Size, + arrays[mesaAttr]->Normalized); + assert(velements[attr].src_format); + } +} + + +/** + * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each + * vertex attribute. + * \param vbuffer returns vertex buffer info + * \param velements returns vertex element info + */ +static void +setup_non_interleaved_attribs(GLcontext *ctx, + const struct st_vertex_program *vp, + const struct gl_client_array **arrays, + GLuint max_index, + struct pipe_vertex_buffer vbuffer[], + struct pipe_vertex_element velements[]) +{ + struct pipe_context *pipe = ctx->st->pipe; + GLuint attr; - /* loop over TGSI shader inputs to determine vertex buffer - * and attribute info - */ for (attr = 0; attr < vp->num_inputs; attr++) { const GLuint mesaAttr = vp->index_to_input[attr]; struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj; @@ -298,15 +429,17 @@ st_draw_vbo(GLcontext *ctx, */ struct st_buffer_object *stobj = st_buffer_object(bufobj); assert(stobj->buffer); + /*printf("stobj %u = %p\n", attr, (void*) stobj);*/ vbuffer[attr].buffer = NULL; - pipe_reference_buffer(pipe, &vbuffer[attr].buffer, stobj->buffer); + pipe_buffer_reference(pipe->screen, &vbuffer[attr].buffer, stobj->buffer); vbuffer[attr].buffer_offset = (unsigned) arrays[mesaAttr]->Ptr; velements[attr].src_offset = 0; } else { /* attribute data is in user-space memory, not a VBO */ uint bytes; + /*printf("user-space array %d stride %d\n", attr, stride);*/ /* wrap user data */ if (arrays[mesaAttr]->Ptr) { @@ -318,13 +451,13 @@ st_draw_vbo(GLcontext *ctx, bytes = arrays[mesaAttr]->Size * _mesa_sizeof_type(arrays[mesaAttr]->Type); } - vbuffer[attr].buffer = pipe_user_buffer_create(pipe, + vbuffer[attr].buffer = pipe_user_buffer_create(pipe->screen, (void *) arrays[mesaAttr]->Ptr, bytes); } else { /* no array, use ctx->Current.Attrib[] value */ bytes = sizeof(ctx->Current.Attrib[0]); - vbuffer[attr].buffer = pipe_user_buffer_create(pipe, + vbuffer[attr].buffer = pipe_user_buffer_create(pipe->screen, (void *) ctx->Current.Attrib[mesaAttr], bytes); stride = 0; } @@ -346,27 +479,81 @@ st_draw_vbo(GLcontext *ctx, arrays[mesaAttr]->Normalized); assert(velements[attr].src_format); } +} + + + + +/** + * This function gets plugged into the VBO module and is called when + * we have something to render. + * Basically, translate the information into the format expected by gallium. + */ +void +st_draw_vbo(GLcontext *ctx, + const struct gl_client_array **arrays, + const struct _mesa_prim *prims, + GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLuint min_index, + GLuint max_index) +{ + struct pipe_context *pipe = ctx->st->pipe; + const struct st_vertex_program *vp; + const struct pipe_shader_state *vs; + struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS]; + GLuint attr; + struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS]; + unsigned num_vbuffers, num_velements; + GLboolean userSpace; + + /* sanity check for pointer arithmetic below */ + assert(sizeof(arrays[0]->Ptr[0]) == 1); + + st_validate_state(ctx->st); + + /* must get these after state validation! */ + vp = ctx->st->vp; + vs = &ctx->st->vp->state; + + /* + * Setup the vbuffer[] and velements[] arrays. + */ + if (is_interleaved_arrays(vp, arrays, &userSpace)) { + /*printf("Draw interleaved\n");*/ + setup_interleaved_attribs(ctx, vp, arrays, max_index, userSpace, + vbuffer, velements); + num_vbuffers = 1; + num_velements = vp->num_inputs; + } + else { + /*printf("Draw non-interleaved\n");*/ + setup_non_interleaved_attribs(ctx, vp, arrays, max_index, + vbuffer, velements); + num_vbuffers = vp->num_inputs; + num_velements = vp->num_inputs; + } #if 0 { GLuint i; - for (i = 0; i < vp->num_inputs; i++) { + for (i = 0; i < num_vbuffers; i++) { printf("buffers[%d].pitch = %u\n", i, vbuffer[i].pitch); printf("buffers[%d].max_index = %u\n", i, vbuffer[i].max_index); printf("buffers[%d].buffer_offset = %u\n", i, vbuffer[i].buffer_offset); printf("buffers[%d].buffer = %p\n", i, (void*) vbuffer[i].buffer); } - for (i = 0; i < vp->num_inputs; i++) { - printf("vlements[%d].src_offset = %u\n", i, velements[i].src_offset); + for (i = 0; i < num_velements; i++) { printf("vlements[%d].vbuffer_index = %u\n", i, velements[i].vertex_buffer_index); + printf("vlements[%d].src_offset = %u\n", i, velements[i].src_offset); printf("vlements[%d].nr_comps = %u\n", i, velements[i].nr_components); printf("vlements[%d].format = %s\n", i, pf_name(velements[i].src_format)); } } #endif - pipe->set_vertex_buffers(pipe, vp->num_inputs, vbuffer); - pipe->set_vertex_elements(pipe, vp->num_inputs, velements); + pipe->set_vertex_buffers(pipe, num_vbuffers, vbuffer); + pipe->set_vertex_elements(pipe, num_velements, velements); /* do actual drawing */ if (ib) { @@ -394,12 +581,12 @@ st_draw_vbo(GLcontext *ctx, if (bufobj && bufobj->Name) { /* elements/indexes are in a real VBO */ struct st_buffer_object *stobj = st_buffer_object(bufobj); - pipe_reference_buffer(pipe, &indexBuf, stobj->buffer); + pipe_buffer_reference(pipe->screen, &indexBuf, stobj->buffer); indexOffset = (unsigned) ib->ptr / indexSize; } else { /* element/indicies are in user space memory */ - indexBuf = pipe_user_buffer_create(pipe, (void *) ib->ptr, + indexBuf = pipe_user_buffer_create(pipe->screen, (void *) ib->ptr, ib->count * indexSize); indexOffset = 0; } @@ -434,7 +621,7 @@ st_draw_vbo(GLcontext *ctx, } } - pipe_reference_buffer(pipe, &indexBuf, NULL); + pipe_buffer_reference(pipe->screen, &indexBuf, NULL); } else { /* non-indexed */ @@ -449,8 +636,8 @@ st_draw_vbo(GLcontext *ctx, } /* unreference buffers (frees wrapped user-space buffer objects) */ - for (attr = 0; attr < vp->num_inputs; attr++) { - pipe_reference_buffer(pipe, &vbuffer[attr].buffer, NULL); + for (attr = 0; attr < num_vbuffers; attr++) { + pipe_buffer_reference(pipe->screen, &vbuffer[attr].buffer, NULL); assert(!vbuffer[attr].buffer); } pipe->set_vertex_buffers(pipe, vp->num_inputs, vbuffer); @@ -563,7 +750,7 @@ st_feedback_draw_vbo(GLcontext *ctx, assert(stobj->buffer); vbuffers[attr].buffer = NULL; - pipe_reference_buffer(pipe, &vbuffers[attr].buffer, stobj->buffer); + pipe_buffer_reference(pipe->screen, &vbuffers[attr].buffer, stobj->buffer); vbuffers[attr].buffer_offset = (unsigned) arrays[0]->Ptr;/* in bytes */ velements[attr].src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr; } @@ -575,7 +762,7 @@ st_feedback_draw_vbo(GLcontext *ctx, /* wrap user data */ vbuffers[attr].buffer - = pipe_user_buffer_create(pipe, (void *) arrays[mesaAttr]->Ptr, + = pipe_user_buffer_create(pipe->screen, (void *) arrays[mesaAttr]->Ptr, bytes); vbuffers[attr].buffer_offset = 0; velements[attr].src_offset = 0; @@ -597,7 +784,7 @@ st_feedback_draw_vbo(GLcontext *ctx, #endif /* map the attrib buffer */ - map = pipe_buffer_map(pipe, vbuffers[attr].buffer, + map = pipe_buffer_map(pipe->screen, vbuffers[attr].buffer, PIPE_BUFFER_USAGE_CPU_READ); draw_set_mapped_vertex_buffer(draw, attr, map); } @@ -625,7 +812,7 @@ st_feedback_draw_vbo(GLcontext *ctx, return; } - map = pipe_buffer_map(pipe, index_buffer_handle, + map = pipe_buffer_map(pipe->screen, index_buffer_handle, PIPE_BUFFER_USAGE_CPU_READ); draw_set_mapped_element_buffer(draw, indexSize, map); } @@ -636,7 +823,7 @@ st_feedback_draw_vbo(GLcontext *ctx, /* map constant buffers */ - mapped_constants = pipe_buffer_map(pipe, + mapped_constants = pipe_buffer_map(pipe->screen, st->state.constants[PIPE_SHADER_VERTEX].buffer, PIPE_BUFFER_USAGE_CPU_READ); draw_set_mapped_constant_buffer(st->draw, mapped_constants, @@ -650,20 +837,20 @@ st_feedback_draw_vbo(GLcontext *ctx, /* unmap constant buffers */ - pipe_buffer_unmap(pipe, st->state.constants[PIPE_SHADER_VERTEX].buffer); + pipe_buffer_unmap(pipe->screen, st->state.constants[PIPE_SHADER_VERTEX].buffer); /* * unmap vertex/index buffers */ for (i = 0; i < PIPE_MAX_ATTRIBS; i++) { if (draw->pt.vertex_buffer[i].buffer) { - pipe_buffer_unmap(pipe, draw->pt.vertex_buffer[i].buffer); - pipe_reference_buffer(pipe, &draw->pt.vertex_buffer[i].buffer, NULL); + pipe_buffer_unmap(pipe->screen, draw->pt.vertex_buffer[i].buffer); + pipe_buffer_reference(pipe->screen, &draw->pt.vertex_buffer[i].buffer, NULL); draw_set_mapped_vertex_buffer(draw, i, NULL); } } if (ib) { - pipe_buffer_unmap(pipe, index_buffer_handle); + pipe_buffer_unmap(pipe->screen, index_buffer_handle); draw_set_mapped_element_buffer(draw, 0, NULL); } } |