diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/vbo/vbo_context.c | 95 |
1 files changed, 43 insertions, 52 deletions
diff --git a/src/mesa/vbo/vbo_context.c b/src/mesa/vbo/vbo_context.c index b5dc45cb603..5e1a760eb2c 100644 --- a/src/mesa/vbo/vbo_context.c +++ b/src/mesa/vbo/vbo_context.c @@ -43,32 +43,47 @@ static GLuint check_size( const GLfloat *attr ) } +/** + * Helper for initializing a vertex array. + */ +static void +init_array(struct gl_context *ctx, struct gl_client_array *cl, + unsigned size, const void *pointer) +{ + memset(cl, 0, sizeof(*cl)); + + cl->Size = size; + cl->Type = GL_FLOAT; + cl->Format = GL_RGBA; + cl->Stride = 0; + cl->StrideB = 0; + cl->_ElementSize = cl->Size * sizeof(GLfloat); + cl->Ptr = pointer; + cl->Enabled = 1; + + _mesa_reference_buffer_object(ctx, &cl->BufferObj, + ctx->Shared->NullBufferObj); +} + + +/** + * Set up the vbo->currval arrays to point at the context's current + * vertex attributes (with strides = 0). + */ static void init_legacy_currval(struct gl_context *ctx) { struct vbo_context *vbo = vbo_context(ctx); - struct gl_client_array *arrays = &vbo->currval[VBO_ATTRIB_POS]; GLuint i; - memset(arrays, 0, sizeof(*arrays) * VERT_ATTRIB_FF_MAX); - /* Set up a constant (StrideB == 0) array for each current * attribute: */ for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) { - struct gl_client_array *cl = &arrays[i]; + struct gl_client_array *cl = &vbo->currval[VERT_ATTRIB_FF(i)]; - /* Size will have to be determined at runtime: - */ - cl->Size = check_size(ctx->Current.Attrib[i]); - cl->Stride = 0; - cl->StrideB = 0; - cl->Enabled = 1; - cl->Type = GL_FLOAT; - cl->Format = GL_RGBA; - cl->Ptr = (const void *)ctx->Current.Attrib[i]; - cl->_ElementSize = cl->Size * sizeof(GLfloat); - _mesa_reference_buffer_object(ctx, &cl->BufferObj, - ctx->Shared->NullBufferObj); + init_array(ctx, cl, + check_size(ctx->Current.Attrib[i]), + ctx->Current.Attrib[i]); } } @@ -76,26 +91,12 @@ static void init_legacy_currval(struct gl_context *ctx) static void init_generic_currval(struct gl_context *ctx) { struct vbo_context *vbo = vbo_context(ctx); - struct gl_client_array *arrays = &vbo->currval[VBO_ATTRIB_GENERIC0]; GLuint i; - memset(arrays, 0, sizeof(*arrays) * VERT_ATTRIB_GENERIC_MAX); - for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) { - struct gl_client_array *cl = &arrays[i]; + struct gl_client_array *cl = &vbo->currval[VBO_ATTRIB_GENERIC0 + i]; - /* This will have to be determined at runtime: - */ - cl->Size = 1; - cl->Type = GL_FLOAT; - cl->Format = GL_RGBA; - cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i]; - cl->Stride = 0; - cl->StrideB = 0; - cl->Enabled = 1; - cl->_ElementSize = cl->Size * sizeof(GLfloat); - _mesa_reference_buffer_object(ctx, &cl->BufferObj, - ctx->Shared->NullBufferObj); + init_array(ctx, cl, 1, ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i]); } } @@ -103,17 +104,15 @@ static void init_generic_currval(struct gl_context *ctx) static void init_mat_currval(struct gl_context *ctx) { struct vbo_context *vbo = vbo_context(ctx); - struct gl_client_array *arrays = - &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT]; GLuint i; - memset(arrays, 0, sizeof(*arrays) * MAT_ATTRIB_MAX); - /* Set up a constant (StrideB == 0) array for each current * attribute: */ for (i = 0; i < MAT_ATTRIB_MAX; i++) { - struct gl_client_array *cl = &arrays[i]; + struct gl_client_array *cl = + &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT + i]; + unsigned size; /* Size is fixed for the material attributes, for others will * be determined at runtime: @@ -121,26 +120,18 @@ static void init_mat_currval(struct gl_context *ctx) switch (i) { case MAT_ATTRIB_FRONT_SHININESS: case MAT_ATTRIB_BACK_SHININESS: - cl->Size = 1; - break; + size = 1; + break; case MAT_ATTRIB_FRONT_INDEXES: case MAT_ATTRIB_BACK_INDEXES: - cl->Size = 3; - break; + size = 3; + break; default: - cl->Size = 4; - break; + size = 4; + break; } - cl->Ptr = (const void *)ctx->Light.Material.Attrib[i]; - cl->Type = GL_FLOAT; - cl->Format = GL_RGBA; - cl->Stride = 0; - cl->StrideB = 0; - cl->Enabled = 1; - cl->_ElementSize = cl->Size * sizeof(GLfloat); - _mesa_reference_buffer_object(ctx, &cl->BufferObj, - ctx->Shared->NullBufferObj); + init_array(ctx, cl, size, ctx->Light.Material.Attrib[i]); } } |