From cfe884e2030466df673881da8e830c300dda40db Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 18 Jan 2010 16:29:31 +1000 Subject: [PATCH] mesa: add core support for ARB_half_float_vertex. Adds the extension to the list + support to the APIs. also add t_draw.c support to convert for sw rast. Signed-off-by: Dave Airlie --- src/mesa/main/extensions.c | 2 ++ src/mesa/main/mtypes.h | 1 + src/mesa/main/varray.c | 21 +++++++++++++++++++++ src/mesa/tnl/t_draw.c | 19 +++++++++++++++++++ 4 files changed, 43 insertions(+) diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index b6c7a02a7cc..73be24d80cf 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -56,6 +56,7 @@ static const struct { { OFF, "GL_ARB_fragment_shader", F(ARB_fragment_shader) }, { OFF, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object) }, { OFF, "GL_ARB_half_float_pixel", F(ARB_half_float_pixel) }, + { OFF, "GL_ARB_half_float_vertex", F(ARB_half_float_vertex) }, { OFF, "GL_ARB_imaging", F(ARB_imaging) }, { OFF, "GL_ARB_map_buffer_range", F(ARB_map_buffer_range) }, { ON, "GL_ARB_multisample", F(ARB_multisample) }, @@ -220,6 +221,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx) ctx->Extensions.ARB_framebuffer_object = GL_TRUE; #endif ctx->Extensions.ARB_half_float_pixel = GL_TRUE; + ctx->Extensions.ARB_half_float_vertex = GL_TRUE; ctx->Extensions.ARB_imaging = GL_TRUE; ctx->Extensions.ARB_map_buffer_range = GL_TRUE; ctx->Extensions.ARB_multitexture = GL_TRUE; diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 919ddd7a298..297c5ae878a 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -2403,6 +2403,7 @@ struct gl_extensions GLboolean ARB_fragment_shader; GLboolean ARB_framebuffer_object; GLboolean ARB_half_float_pixel; + GLboolean ARB_half_float_vertex; GLboolean ARB_imaging; GLboolean ARB_map_buffer_range; GLboolean ARB_multisample; diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c index c2193074cdf..0b6295d5e16 100644 --- a/src/mesa/main/varray.c +++ b/src/mesa/main/varray.c @@ -121,6 +121,9 @@ _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) case GL_DOUBLE: elementSize = size * sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = size * sizeof(GLhalfARB); + break; #if FEATURE_fixedpt case GL_FIXED: elementSize = size * sizeof(GLfixed); @@ -174,6 +177,9 @@ _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) case GL_DOUBLE: elementSize = 3 * sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = 3 * sizeof(GLhalfARB); + break; #if FEATURE_fixedpt case GL_FIXED: elementSize = 3 * sizeof(GLfixed); @@ -250,6 +256,9 @@ _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) case GL_DOUBLE: elementSize = size * sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = size * sizeof(GLhalfARB); + break; #if FEATURE_fixedpt case GL_FIXED: elementSize = size * sizeof(GLfixed); @@ -285,6 +294,9 @@ _mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) case GL_DOUBLE: elementSize = sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = sizeof(GLhalfARB); + break; default: _mesa_error( ctx, GL_INVALID_ENUM, "glFogCoordPointer(type)" ); return; @@ -394,6 +406,9 @@ _mesa_SecondaryColorPointerEXT(GLint size, GLenum type, case GL_DOUBLE: elementSize = size * sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = size * sizeof(GLhalfARB); + break; default: _mesa_error( ctx, GL_INVALID_ENUM, "glSecondaryColorPointer(type=%s)", _mesa_lookup_enum_by_nr(type)); @@ -441,6 +456,9 @@ _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, case GL_DOUBLE: elementSize = size * sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = size * sizeof(GLhalfARB); + break; #if FEATURE_fixedpt case GL_FIXED: elementSize = size * sizeof(GLfixed); @@ -670,6 +688,9 @@ _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, case GL_DOUBLE: elementSize = size * sizeof(GLdouble); break; + case GL_HALF_FLOAT: + elementSize = size * sizeof(GLhalfARB); + break; #if FEATURE_fixedpt case GL_FIXED: elementSize = size * sizeof(GLfixed); diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c index 38757a0e288..d8c611031d2 100644 --- a/src/mesa/tnl/t_draw.c +++ b/src/mesa/tnl/t_draw.c @@ -108,6 +108,22 @@ convert_bgra_to_float(const struct gl_client_array *input, } } +static void +convert_half_to_float(const struct gl_client_array *input, + const GLubyte *ptr, GLfloat *fptr, + GLuint count, GLuint sz) +{ + GLuint i, j; + + for (i = 0; i < count; i++) { + GLhalfARB *in = (GLhalfARB *)ptr; + + for (j = 0; j < sz; j++) { + *fptr++ = _mesa_half_to_float(in[j]); + } + ptr += input->StrideB; + } +} /* Adjust pointer to point at first requested element, convert to * floating point, populate VB->AttribPtr[]. @@ -155,6 +171,9 @@ static void _tnl_import_array( GLcontext *ctx, case GL_DOUBLE: CONVERT(GLdouble, (GLfloat)); break; + case GL_HALF_FLOAT: + convert_half_to_float(input, ptr, fptr, count, sz); + break; default: assert(0); break; -- 2.30.2