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mesa: translate into gallium vertex formats in mesa/main

Browse source 
Reviewed-by: Mathias Fröhlich <mathias.froehlich@web.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3829>
This commit is contained in:
Marek Olšák 2020-01-20 22:06:30 -05:00
parent 8d3b86e34a
commit e6448f993b
3 changed files with 259 additions and 261 deletions
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1
src/mesa/main/mtypes.h
View file

@ -459,6 +459,7 @@ struct gl_vertex_format
{
GLenum16 Type; /**< datatype: GL_FLOAT, GL_INT, etc */
GLenum16 Format; /**< default: GL_RGBA, but may be GL_BGRA */
enum pipe_format _PipeFormat:16; /**< pipe_format for Gallium */
GLubyte Size:5; /**< components per element (1,2,3,4) */
GLubyte Normalized:1; /**< GL_ARB_vertex_program */
GLubyte Integer:1; /**< Integer-valued? */

256
src/mesa/main/varray.c
View file

@ -254,6 +254,259 @@ vertex_binding_divisor(struct gl_context *ctx,
}
}
/* vertex_formats[gltype - GL_BYTE][integer*2 + normalized][size - 1] */
static const uint16_t vertex_formats[][4][4] = {
{ /* GL_BYTE */
{
PIPE_FORMAT_R8_SSCALED,
PIPE_FORMAT_R8G8_SSCALED,
PIPE_FORMAT_R8G8B8_SSCALED,
PIPE_FORMAT_R8G8B8A8_SSCALED
},
{
PIPE_FORMAT_R8_SNORM,
PIPE_FORMAT_R8G8_SNORM,
PIPE_FORMAT_R8G8B8_SNORM,
PIPE_FORMAT_R8G8B8A8_SNORM
},
{
PIPE_FORMAT_R8_SINT,
PIPE_FORMAT_R8G8_SINT,
PIPE_FORMAT_R8G8B8_SINT,
PIPE_FORMAT_R8G8B8A8_SINT
},
},
{ /* GL_UNSIGNED_BYTE */
{
PIPE_FORMAT_R8_USCALED,
PIPE_FORMAT_R8G8_USCALED,
PIPE_FORMAT_R8G8B8_USCALED,
PIPE_FORMAT_R8G8B8A8_USCALED
},
{
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8G8_UNORM,
PIPE_FORMAT_R8G8B8_UNORM,
PIPE_FORMAT_R8G8B8A8_UNORM
},
{
PIPE_FORMAT_R8_UINT,
PIPE_FORMAT_R8G8_UINT,
PIPE_FORMAT_R8G8B8_UINT,
PIPE_FORMAT_R8G8B8A8_UINT
},
},
{ /* GL_SHORT */
{
PIPE_FORMAT_R16_SSCALED,
PIPE_FORMAT_R16G16_SSCALED,
PIPE_FORMAT_R16G16B16_SSCALED,
PIPE_FORMAT_R16G16B16A16_SSCALED
},
{
PIPE_FORMAT_R16_SNORM,
PIPE_FORMAT_R16G16_SNORM,
PIPE_FORMAT_R16G16B16_SNORM,
PIPE_FORMAT_R16G16B16A16_SNORM
},
{
PIPE_FORMAT_R16_SINT,
PIPE_FORMAT_R16G16_SINT,
PIPE_FORMAT_R16G16B16_SINT,
PIPE_FORMAT_R16G16B16A16_SINT
},
},
{ /* GL_UNSIGNED_SHORT */
{
PIPE_FORMAT_R16_USCALED,
PIPE_FORMAT_R16G16_USCALED,
PIPE_FORMAT_R16G16B16_USCALED,
PIPE_FORMAT_R16G16B16A16_USCALED
},
{
PIPE_FORMAT_R16_UNORM,
PIPE_FORMAT_R16G16_UNORM,
PIPE_FORMAT_R16G16B16_UNORM,
PIPE_FORMAT_R16G16B16A16_UNORM
},
{
PIPE_FORMAT_R16_UINT,
PIPE_FORMAT_R16G16_UINT,
PIPE_FORMAT_R16G16B16_UINT,
PIPE_FORMAT_R16G16B16A16_UINT
},
},
{ /* GL_INT */
{
PIPE_FORMAT_R32_SSCALED,
PIPE_FORMAT_R32G32_SSCALED,
PIPE_FORMAT_R32G32B32_SSCALED,
PIPE_FORMAT_R32G32B32A32_SSCALED
},
{
PIPE_FORMAT_R32_SNORM,
PIPE_FORMAT_R32G32_SNORM,
PIPE_FORMAT_R32G32B32_SNORM,
PIPE_FORMAT_R32G32B32A32_SNORM
},
{
PIPE_FORMAT_R32_SINT,
PIPE_FORMAT_R32G32_SINT,
PIPE_FORMAT_R32G32B32_SINT,
PIPE_FORMAT_R32G32B32A32_SINT
},
},
{ /* GL_UNSIGNED_INT */
{
PIPE_FORMAT_R32_USCALED,
PIPE_FORMAT_R32G32_USCALED,
PIPE_FORMAT_R32G32B32_USCALED,
PIPE_FORMAT_R32G32B32A32_USCALED
},
{
PIPE_FORMAT_R32_UNORM,
PIPE_FORMAT_R32G32_UNORM,
PIPE_FORMAT_R32G32B32_UNORM,
PIPE_FORMAT_R32G32B32A32_UNORM
},
{
PIPE_FORMAT_R32_UINT,
PIPE_FORMAT_R32G32_UINT,
PIPE_FORMAT_R32G32B32_UINT,
PIPE_FORMAT_R32G32B32A32_UINT
},
},
{ /* GL_FLOAT */
{
PIPE_FORMAT_R32_FLOAT,
PIPE_FORMAT_R32G32_FLOAT,
PIPE_FORMAT_R32G32B32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT
},
{
PIPE_FORMAT_R32_FLOAT,
PIPE_FORMAT_R32G32_FLOAT,
PIPE_FORMAT_R32G32B32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT
},
},
{{0}}, /* GL_2_BYTES */
{{0}}, /* GL_3_BYTES */
{{0}}, /* GL_4_BYTES */
{ /* GL_DOUBLE */
{
PIPE_FORMAT_R64_FLOAT,
PIPE_FORMAT_R64G64_FLOAT,
PIPE_FORMAT_R64G64B64_FLOAT,
PIPE_FORMAT_R64G64B64A64_FLOAT
},
{
PIPE_FORMAT_R64_FLOAT,
PIPE_FORMAT_R64G64_FLOAT,
PIPE_FORMAT_R64G64B64_FLOAT,
PIPE_FORMAT_R64G64B64A64_FLOAT
},
},
{ /* GL_HALF_FLOAT */
{
PIPE_FORMAT_R16_FLOAT,
PIPE_FORMAT_R16G16_FLOAT,
PIPE_FORMAT_R16G16B16_FLOAT,
PIPE_FORMAT_R16G16B16A16_FLOAT
},
{
PIPE_FORMAT_R16_FLOAT,
PIPE_FORMAT_R16G16_FLOAT,
PIPE_FORMAT_R16G16B16_FLOAT,
PIPE_FORMAT_R16G16B16A16_FLOAT
},
},
{ /* GL_FIXED */
{
PIPE_FORMAT_R32_FIXED,
PIPE_FORMAT_R32G32_FIXED,
PIPE_FORMAT_R32G32B32_FIXED,
PIPE_FORMAT_R32G32B32A32_FIXED
},
{
PIPE_FORMAT_R32_FIXED,
PIPE_FORMAT_R32G32_FIXED,
PIPE_FORMAT_R32G32B32_FIXED,
PIPE_FORMAT_R32G32B32A32_FIXED
},
},
};
/**
* Return a PIPE_FORMAT_x for the given GL datatype and size.
*/
static enum pipe_format
vertex_format_to_pipe_format(GLubyte size, GLenum16 type, GLenum16 format,
GLboolean normalized, GLboolean integer,
GLboolean doubles)
{
assert(size >= 1 && size <= 4);
assert(format == GL_RGBA || format == GL_BGRA);
/* 64-bit attributes are translated by drivers. */
if (doubles)
return PIPE_FORMAT_NONE;
switch (type) {
case GL_HALF_FLOAT_OES:
type = GL_HALF_FLOAT;
break;
case GL_INT_2_10_10_10_REV:
assert(size == 4 && !integer);
if (format == GL_BGRA) {
if (normalized)
return PIPE_FORMAT_B10G10R10A2_SNORM;
else
return PIPE_FORMAT_B10G10R10A2_SSCALED;
} else {
if (normalized)
return PIPE_FORMAT_R10G10B10A2_SNORM;
else
return PIPE_FORMAT_R10G10B10A2_SSCALED;
}
break;
case GL_UNSIGNED_INT_2_10_10_10_REV:
assert(size == 4 && !integer);
if (format == GL_BGRA) {
if (normalized)
return PIPE_FORMAT_B10G10R10A2_UNORM;
else
return PIPE_FORMAT_B10G10R10A2_USCALED;
} else {
if (normalized)
return PIPE_FORMAT_R10G10B10A2_UNORM;
else
return PIPE_FORMAT_R10G10B10A2_USCALED;
}
break;
case GL_UNSIGNED_INT_10F_11F_11F_REV:
assert(size == 3 && !integer && format == GL_RGBA);
return PIPE_FORMAT_R11G11B10_FLOAT;
case GL_UNSIGNED_BYTE:
if (format == GL_BGRA) {
/* this is an odd-ball case */
assert(normalized);
return PIPE_FORMAT_B8G8R8A8_UNORM;
}
break;
}
unsigned index = integer*2 + normalized;
assert(index <= 2);
assert(type >= GL_BYTE && type <= GL_FIXED);
return vertex_formats[type - GL_BYTE][index][size-1];
}
void
_mesa_set_vertex_format(struct gl_vertex_format *vertex_format,
@ -270,6 +523,9 @@ _mesa_set_vertex_format(struct gl_vertex_format *vertex_format,
vertex_format->Doubles = doubles;
vertex_format->_ElementSize = _mesa_bytes_per_vertex_attrib(size, type);
assert(vertex_format->_ElementSize <= 4*sizeof(double));
vertex_format->_PipeFormat =
vertex_format_to_pipe_format(size, type, format, normalized, integer,
doubles);
}

263
src/mesa/state_tracker/st_atom_array.c
View file

@ -50,263 +50,6 @@
#include "main/varray.h"
#include "main/arrayobj.h"
/* vertex_formats[gltype - GL_BYTE][integer*2 + normalized][size - 1] */
static const uint16_t vertex_formats[][4][4] = {
{ /* GL_BYTE */
{
PIPE_FORMAT_R8_SSCALED,
PIPE_FORMAT_R8G8_SSCALED,
PIPE_FORMAT_R8G8B8_SSCALED,
PIPE_FORMAT_R8G8B8A8_SSCALED
},
{
PIPE_FORMAT_R8_SNORM,
PIPE_FORMAT_R8G8_SNORM,
PIPE_FORMAT_R8G8B8_SNORM,
PIPE_FORMAT_R8G8B8A8_SNORM
},
{
PIPE_FORMAT_R8_SINT,
PIPE_FORMAT_R8G8_SINT,
PIPE_FORMAT_R8G8B8_SINT,
PIPE_FORMAT_R8G8B8A8_SINT
},
},
{ /* GL_UNSIGNED_BYTE */
{
PIPE_FORMAT_R8_USCALED,
PIPE_FORMAT_R8G8_USCALED,
PIPE_FORMAT_R8G8B8_USCALED,
PIPE_FORMAT_R8G8B8A8_USCALED
},
{
PIPE_FORMAT_R8_UNORM,
PIPE_FORMAT_R8G8_UNORM,
PIPE_FORMAT_R8G8B8_UNORM,
PIPE_FORMAT_R8G8B8A8_UNORM
},
{
PIPE_FORMAT_R8_UINT,
PIPE_FORMAT_R8G8_UINT,
PIPE_FORMAT_R8G8B8_UINT,
PIPE_FORMAT_R8G8B8A8_UINT
},
},
{ /* GL_SHORT */
{
PIPE_FORMAT_R16_SSCALED,
PIPE_FORMAT_R16G16_SSCALED,
PIPE_FORMAT_R16G16B16_SSCALED,
PIPE_FORMAT_R16G16B16A16_SSCALED
},
{
PIPE_FORMAT_R16_SNORM,
PIPE_FORMAT_R16G16_SNORM,
PIPE_FORMAT_R16G16B16_SNORM,
PIPE_FORMAT_R16G16B16A16_SNORM
},
{
PIPE_FORMAT_R16_SINT,
PIPE_FORMAT_R16G16_SINT,
PIPE_FORMAT_R16G16B16_SINT,
PIPE_FORMAT_R16G16B16A16_SINT
},
},
{ /* GL_UNSIGNED_SHORT */
{
PIPE_FORMAT_R16_USCALED,
PIPE_FORMAT_R16G16_USCALED,
PIPE_FORMAT_R16G16B16_USCALED,
PIPE_FORMAT_R16G16B16A16_USCALED
},
{
PIPE_FORMAT_R16_UNORM,
PIPE_FORMAT_R16G16_UNORM,
PIPE_FORMAT_R16G16B16_UNORM,
PIPE_FORMAT_R16G16B16A16_UNORM
},
{
PIPE_FORMAT_R16_UINT,
PIPE_FORMAT_R16G16_UINT,
PIPE_FORMAT_R16G16B16_UINT,
PIPE_FORMAT_R16G16B16A16_UINT
},
},
{ /* GL_INT */
{
PIPE_FORMAT_R32_SSCALED,
PIPE_FORMAT_R32G32_SSCALED,
PIPE_FORMAT_R32G32B32_SSCALED,
PIPE_FORMAT_R32G32B32A32_SSCALED
},
{
PIPE_FORMAT_R32_SNORM,
PIPE_FORMAT_R32G32_SNORM,
PIPE_FORMAT_R32G32B32_SNORM,
PIPE_FORMAT_R32G32B32A32_SNORM
},
{
PIPE_FORMAT_R32_SINT,
PIPE_FORMAT_R32G32_SINT,
PIPE_FORMAT_R32G32B32_SINT,
PIPE_FORMAT_R32G32B32A32_SINT
},
},
{ /* GL_UNSIGNED_INT */
{
PIPE_FORMAT_R32_USCALED,
PIPE_FORMAT_R32G32_USCALED,
PIPE_FORMAT_R32G32B32_USCALED,
PIPE_FORMAT_R32G32B32A32_USCALED
},
{
PIPE_FORMAT_R32_UNORM,
PIPE_FORMAT_R32G32_UNORM,
PIPE_FORMAT_R32G32B32_UNORM,
PIPE_FORMAT_R32G32B32A32_UNORM
},
{
PIPE_FORMAT_R32_UINT,
PIPE_FORMAT_R32G32_UINT,
PIPE_FORMAT_R32G32B32_UINT,
PIPE_FORMAT_R32G32B32A32_UINT
},
},
{ /* GL_FLOAT */
{
PIPE_FORMAT_R32_FLOAT,
PIPE_FORMAT_R32G32_FLOAT,
PIPE_FORMAT_R32G32B32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT
},
{
PIPE_FORMAT_R32_FLOAT,
PIPE_FORMAT_R32G32_FLOAT,
PIPE_FORMAT_R32G32B32_FLOAT,
PIPE_FORMAT_R32G32B32A32_FLOAT
},
},
{{0}}, /* GL_2_BYTES */
{{0}}, /* GL_3_BYTES */
{{0}}, /* GL_4_BYTES */
{ /* GL_DOUBLE */
{
PIPE_FORMAT_R64_FLOAT,
PIPE_FORMAT_R64G64_FLOAT,
PIPE_FORMAT_R64G64B64_FLOAT,
PIPE_FORMAT_R64G64B64A64_FLOAT
},
{
PIPE_FORMAT_R64_FLOAT,
PIPE_FORMAT_R64G64_FLOAT,
PIPE_FORMAT_R64G64B64_FLOAT,
PIPE_FORMAT_R64G64B64A64_FLOAT
},
},
{ /* GL_HALF_FLOAT */
{
PIPE_FORMAT_R16_FLOAT,
PIPE_FORMAT_R16G16_FLOAT,
PIPE_FORMAT_R16G16B16_FLOAT,
PIPE_FORMAT_R16G16B16A16_FLOAT
},
{
PIPE_FORMAT_R16_FLOAT,
PIPE_FORMAT_R16G16_FLOAT,
PIPE_FORMAT_R16G16B16_FLOAT,
PIPE_FORMAT_R16G16B16A16_FLOAT
},
},
{ /* GL_FIXED */
{
PIPE_FORMAT_R32_FIXED,
PIPE_FORMAT_R32G32_FIXED,
PIPE_FORMAT_R32G32B32_FIXED,
PIPE_FORMAT_R32G32B32A32_FIXED
},
{
PIPE_FORMAT_R32_FIXED,
PIPE_FORMAT_R32G32_FIXED,
PIPE_FORMAT_R32G32B32_FIXED,
PIPE_FORMAT_R32G32B32A32_FIXED
},
},
};
/**
* Return a PIPE_FORMAT_x for the given GL datatype and size.
*/
static enum pipe_format
st_pipe_vertex_format(const struct gl_vertex_format *vformat)
{
const GLubyte size = vformat->Size;
const GLenum16 format = vformat->Format;
const bool normalized = vformat->Normalized;
const bool integer = vformat->Integer;
GLenum16 type = vformat->Type;
unsigned index;
assert(size >= 1 && size <= 4);
assert(format == GL_RGBA || format == GL_BGRA);
assert(vformat->_ElementSize == _mesa_bytes_per_vertex_attrib(size, type));
switch (type) {
case GL_HALF_FLOAT_OES:
type = GL_HALF_FLOAT;
break;
case GL_INT_2_10_10_10_REV:
assert(size == 4 && !integer);
if (format == GL_BGRA) {
if (normalized)
return PIPE_FORMAT_B10G10R10A2_SNORM;
else
return PIPE_FORMAT_B10G10R10A2_SSCALED;
} else {
if (normalized)
return PIPE_FORMAT_R10G10B10A2_SNORM;
else
return PIPE_FORMAT_R10G10B10A2_SSCALED;
}
break;
case GL_UNSIGNED_INT_2_10_10_10_REV:
assert(size == 4 && !integer);
if (format == GL_BGRA) {
if (normalized)
return PIPE_FORMAT_B10G10R10A2_UNORM;
else
return PIPE_FORMAT_B10G10R10A2_USCALED;
} else {
if (normalized)
return PIPE_FORMAT_R10G10B10A2_UNORM;
else
return PIPE_FORMAT_R10G10B10A2_USCALED;
}
break;
case GL_UNSIGNED_INT_10F_11F_11F_REV:
assert(size == 3 && !integer && format == GL_RGBA);
return PIPE_FORMAT_R11G11B10_FLOAT;
case GL_UNSIGNED_BYTE:
if (format == GL_BGRA) {
/* this is an odd-ball case */
assert(normalized);
return PIPE_FORMAT_B8G8R8A8_UNORM;
}
break;
}
index = integer*2 + normalized;
assert(index <= 2);
assert(type >= GL_BYTE && type <= GL_FIXED);
return vertex_formats[type - GL_BYTE][index][size-1];
}
static void init_velement(struct pipe_vertex_element *velement,
int src_offset, int format,
int instance_divisor, int vbo_index)
@ -357,10 +100,8 @@ static void init_velement_lowered(const struct st_vertex_program *vp,
}
}
} else {
const unsigned format = st_pipe_vertex_format(vformat);
init_velement(&velements[idx], src_offset,
format, instance_divisor, vbo_index);
init_velement(&velements[idx], src_offset, vformat->_PipeFormat,
instance_divisor, vbo_index);
}
}