Mesa (opengl-es-v2): mesa/es: Generate _mesa_GetFixedv.
Brian Paul
brianp at kemper.freedesktop.org
Mon Jan 4 21:17:44 UTC 2010
Module: Mesa
Branch: opengl-es-v2
Commit: e0ab739c063885784e858060d749e2937e622da2
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e0ab739c063885784e858060d749e2937e622da2
Author: Chia-I Wu <olvaffe at gmail.com>
Date: Mon Nov 23 11:22:19 2009 +0800
mesa/es: Generate _mesa_GetFixedv.
Have get_gen.py generate _mesa_GetFixedv. The generated function does
all the checkings and thus simplifies APIspec.xml a bit.
Signed-off-by: Chia-I Wu <olvaffe at gmail.com>
---
src/mesa/es/main/APIspec.xml | 231 ++------------------------------------
src/mesa/es/main/es_generator.py | 39 -------
src/mesa/es/main/get_gen.py | 27 ++++-
3 files changed, 31 insertions(+), 266 deletions(-)
diff --git a/src/mesa/es/main/APIspec.xml b/src/mesa/es/main/APIspec.xml
index e48b343..5311f2a 100644
--- a/src/mesa/es/main/APIspec.xml
+++ b/src/mesa/es/main/APIspec.xml
@@ -1201,223 +1201,7 @@
<param name="pname" type="GLenum"/>
<vector name="params" type="GLtype *" size="dynamic"/>
</proto>
-
- <!-- XXX some enums might be missing -->
- <desc name="pname">
- <value name="GL_CLIENT_ACTIVE_TEXTURE"/>
- <value name="GL_VERTEX_ARRAY_SIZE"/>
- <value name="GL_VERTEX_ARRAY_STRIDE"/>
- <value name="GL_NORMAL_ARRAY_STRIDE"/>
- <value name="GL_COLOR_ARRAY_SIZE"/>
- <value name="GL_TEXTURE_COORD_ARRAY_SIZE"/>
- <value name="GL_TEXTURE_COORD_ARRAY_STRIDE"/>
-
- <value name="GL_ARRAY_BUFFER_BINDING"/>
- <value name="GL_VERTEX_ARRAY_BUFFER_BINDING"/>
- <value name="GL_NORMAL_ARRAY_BUFFER_BINDING"/>
- <value name="GL_COLOR_ARRAY_BUFFER_BINDING"/>
- <value name="GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING"/>
-
- <value name="GL_ELEMENT_ARRAY_BUFFER_BINDING"/>
- <value name="GL_MODELVIEW_STACK_DEPTH"/>
- <value name="GL_PROJECTION_STACK_DEPTH"/>
- <value name="GL_TEXTURE_STACK_DEPTH"/>
- <value name="GL_FOG_DENSITY"/>
- <value name="GL_FOG_START"/>
- <value name="GL_FOG_END"/>
- <value name="GL_POINT_SIZE"/>
- <value name="GL_POINT_SIZE_MIN"/>
- <value name="GL_POINT_SIZE_MAX"/>
- <value name="GL_POINT_FADE_THRESHOLD_SIZE"/>
- <value name="GL_LINE_WIDTH"/>
- <value name="GL_POLYGON_OFFSET_FACTOR"/>
- <value name="GL_POLYGON_OFFSET_UNITS"/>
- <value name="GL_SAMPLE_COVERAGE_VALUE"/>
- <value name="GL_TEXTURE_BINDING_2D"/>
- <value name="GL_ALPHA_TEST_REF"/>
- <value name="GL_STENCIL_VALUE_MASK"/>
- <value name="GL_STENCIL_REF"/>
- <value name="GL_STENCIL_WRITEMASK"/>
- <value name="GL_DEPTH_CLEAR_VALUE"/>
- <value name="GL_STENCIL_CLEAR_VALUE"/>
- <value name="GL_UNPACK_ALIGNMENT"/>
- <value name="GL_PACK_ALIGNMENT"/>
- <value name="GL_MAX_LIGHTS"/>
- <value name="GL_MAX_CLIP_PLANES"/>
- <value name="GL_MAX_MODELVIEW_STACK_DEPTH"/>
- <value name="GL_MAX_PROJECTION_STACK_DEPTH"/>
- <value name="GL_MAX_TEXTURE_STACK_DEPTH"/>
- <value name="GL_SUBPIXEL_BITS"/>
- <value name="GL_MAX_TEXTURE_SIZE"/>
- <value name="GL_MAX_TEXTURE_UNITS"/>
- <value name="GL_SAMPLE_BUFFERS"/>
- <value name="GL_SAMPLES"/>
- <value name="GL_NUM_COMPRESSED_TEXTURE_FORMATS"/>
- <value name="GL_RED_BITS"/>
- <value name="GL_GREEN_BITS"/>
- <value name="GL_BLUE_BITS"/>
- <value name="GL_ALPHA_BITS"/>
- <value name="GL_DEPTH_BITS"/>
- <value name="GL_STENCIL_BITS"/>
-
- <value name="GL_FRAMEBUFFER_BINDING_OES" category="OES_framebuffer_object"/>
- <value name="GL_RENDERBUFFER_BINDING_OES" category="OES_framebuffer_object"/>
- <value name="GL_MAX_RENDERBUFFER_SIZE_OES" category="OES_framebuffer_object"/>
-
- <value name="GL_POINT_SIZE_ARRAY_STRIDE_OES" category="OES_point_size_array"/>
- <value name="GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES" category="OES_point_size_array"/>
-
- <value name="GL_MAX_PALETTE_MATRICES_OES" category="OES_matrix_palette"/>
- <value name="GL_MAX_VERTEX_UNITS_OES" category="OES_matrix_palette"/>
- <value name="GL_CURRENT_PALETTE_MATRIX_OES" category="OES_matrix_palette"/>
- <value name="GL_MATRIX_INDEX_ARRAY_SIZE_OES" category="OES_matrix_palette"/>
- <value name="GL_MATRIX_INDEX_ARRAY_STRIDE_OES" category="OES_matrix_palette"/>
- <value name="GL_MATRIX_INDEX_ARRAY_BUFFER_BINDING_OES" category="OES_matrix_palette"/>
- <value name="GL_WEIGHT_ARRAY_SIZE_OES" category="OES_matrix_palette"/>
- <value name="GL_WEIGHT_ARRAY_STRIDE_OES" category="OES_matrix_palette"/>
- <value name="GL_WEIGHT_ARRAY_BUFFER_BINDING_OES" category="OES_matrix_palette"/>
-
- <value name="GL_TEXTURE_BINDING_CUBE_MAP_OES" category="OES_texture_cube_map"/>
- <value name="GL_MAX_CUBE_MAP_TEXTURE_SIZE_OES" category="OES_texture_cube_map"/>
- <value name="GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT" category="EXT_texture_filter_anisotropic"/>
-
- <desc name="params" vector_size="1"/>
- </desc>
-
- <!-- These values return booleans or GLenums, and should not have their
- value converted -->
- <desc name="pname">
- <value name="GL_VERTEX_ARRAY"/>
- <value name="GL_VERTEX_ARRAY_TYPE"/>
- <value name="GL_NORMAL_ARRAY"/>
- <value name="GL_NORMAL_ARRAY_TYPE"/>
- <value name="GL_COLOR_ARRAY"/>
- <value name="GL_COLOR_ARRAY_TYPE"/>
- <value name="GL_TEXTURE_COORD_ARRAY"/>
- <value name="GL_TEXTURE_COORD_ARRAY_TYPE"/>
- <value name="GL_MATRIX_MODE"/>
- <value name="GL_NORMALIZE"/>
- <value name="GL_RESCALE_NORMAL"/>
-
- <range base="GL_CLIP_PLANE" from="0" to="5"/>
-
- <value name="GL_FOG_MODE"/>
- <value name="GL_FOG"/>
- <value name="GL_SHADE_MODEL"/>
- <value name="GL_LIGHTING"/>
- <value name="GL_COLOR_MATERIAL"/>
- <value name="GL_LIGHT_MODEL_TWO_SIDE"/>
-
- <range base="GL_LIGHT" from="0" to="7"/>
-
- <value name="GL_POINT_SMOOTH"/>
- <value name="GL_LINE_SMOOTH"/>
- <value name="GL_CULL_FACE"/>
- <value name="GL_CULL_FACE_MODE"/>
- <value name="GL_FRONT_FACE"/>
- <value name="GL_POLYGON_OFFSET_FILL"/>
- <value name="GL_MULTISAMPLE"/>
- <value name="GL_SAMPLE_ALPHA_TO_COVERAGE"/>
- <value name="GL_SAMPLE_ALPHA_TO_ONE"/>
- <value name="GL_SAMPLE_COVERAGE"/>
- <value name="GL_TEXTURE_2D"/>
- <value name="GL_ACTIVE_TEXTURE"/>
- <value name="GL_SCISSOR_TEST"/>
- <value name="GL_ALPHA_TEST"/>
- <value name="GL_ALPHA_TEST_FUNC"/>
- <value name="GL_STENCIL_TEST"/>
- <value name="GL_STENCIL_FUNC"/>
- <value name="GL_STENCIL_FAIL"/>
- <value name="GL_STENCIL_PASS_DEPTH_FAIL"/>
- <value name="GL_STENCIL_PASS_DEPTH_PASS"/>
- <value name="GL_DEPTH_TEST"/>
- <value name="GL_DEPTH_FUNC"/>
- <value name="GL_BLEND"/>
- <value name="GL_BLEND_SRC"/>
- <value name="GL_BLEND_DST"/>
- <value name="GL_DITHER"/>
- <value name="GL_COLOR_LOGIC_OP"/>
- <value name="GL_LOGIC_OP_MODE"/>
- <value name="GL_DEPTH_WRITEMASK"/>
- <value name="GL_PERSPECTIVE_CORRECTION_HINT"/>
- <value name="GL_POINT_SMOOTH_HINT"/>
- <value name="GL_LINE_SMOOTH_HINT"/>
- <value name="GL_FOG_HINT"/>
- <value name="GL_GENERATE_MIPMAP_HINT"/>
-
- <value name="GL_POINT_SPRITE_OES" category="OES_point_sprite"/>
-
- <value name="GL_MATRIX_INDEX_ARRAY_TYPE_OES" category="OES_matrix_palette"/>
- <value name="GL_WEIGHT_ARRAY_TYPE_OES" category="OES_matrix_palette"/>
-
- <value name="GL_POINT_SIZE_ARRAY_OES" category="OES_point_size_array"/>
- <value name="GL_POINT_SIZE_ARRAY_TYPE_OES" category="OES_point_size_array"/>
-
- <value name="GL_BLEND_SRC_RGB_OES" category="OES_blend_subtract"/>
- <value name="GL_BLEND_DST_RGB_OES" category="OES_blend_subtract"/>
- <value name="GL_BLEND_SRC_ALPHA_OES" category="OES_blend_subtract"/>
- <value name="GL_BLEND_DST_ALPHA_OES" category="OES_blend_subtract"/>
-
- <value name="GL_BLEND_EQUATION_RGB_OES" category="OES_blend_equation_separate"/>
- <value name="GL_BLEND_EQUATION_ALPHA_OES" category="OES_blend_equation_separate"/>
-
- <value name="GL_IMPLEMENTATION_COLOR_READ_TYPE" category="GLES2.0"/>
- <value name="GL_IMPLEMENTATION_COLOR_READ_FORMAT" category="GLES2.0"/>
- <value name="GL_IMPLEMENTATION_COLOR_READ_TYPE_OES" category="OES_read_format"/>
- <value name="GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES" category="OES_read_format"/>
-
- <value name="GL_TEXTURE_CUBE_MAP_OES" category="OES_texture_cube_map"/>
-
- <desc name="params" vector_size="1" convert="false"/>
- </desc>
-
- <desc name="pname">
- <value name="GL_MAX_VIEWPORT_DIMS"/>
- <value name="GL_ALIASED_POINT_SIZE_RANGE"/>
- <value name="GL_SMOOTH_POINT_SIZE_RANGE"/>
- <value name="GL_ALIASED_LINE_WIDTH_RANGE"/>
- <value name="GL_SMOOTH_LINE_WIDTH_RANGE"/>
- <value name="GL_DEPTH_RANGE"/>
-
- <desc name="params" vector_size="2"/>
- </desc>
-
- <desc name="pname">
- <value name="GL_CURRENT_NORMAL"/>
- <value name="GL_POINT_DISTANCE_ATTENUATION"/>
-
- <desc name="params" vector_size="3"/>
- </desc>
-
- <desc name="pname">
- <value name="GL_CURRENT_COLOR"/>
- <value name="GL_CURRENT_TEXTURE_COORDS"/>
- <value name="GL_SCISSOR_BOX"/>
- <value name="GL_COLOR_WRITEMASK"/>
- <value name="GL_COLOR_CLEAR_VALUE"/>
- <value name="GL_LIGHT_MODEL_AMBIENT"/>
- <value name="GL_VIEWPORT"/>
- <value name="GL_FOG_COLOR"/>
-
- <desc name="params" vector_size="4"/>
- </desc>
-
- <desc name="pname">
- <value name="GL_MODELVIEW_MATRIX"/>
- <value name="GL_PROJECTION_MATRIX"/>
- <value name="GL_TEXTURE_MATRIX"/>
-
- <value name="GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES" category="OES_matrix_get"/>
- <value name="GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES" category="OES_matrix_get"/>
- <value name="GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES" category="OES_matrix_get"/>
-
- <desc name="params" vector_size="16"/>
- </desc>
-
- <desc name="pname">
- <value name="GL_COMPRESSED_TEXTURE_FORMATS" />
- <desc name="params" vector_size="_get_size(GL_COMPRESSED_TEXTURE_FORMATS)" convert="false"/>
- </desc>
+ <!-- param checking is done in mesa -->
</template>
<template name="GetLight" direction="get">
@@ -3707,6 +3491,7 @@
<function name="GetClipPlane" template="GetClipPlane" gltype="GLdouble"/>
<function name="GetError" template="GetError"/>
<function name="GetFloatv" template="GetState" gltype="GLfloat"/>
+ <function name="GetFixedv" template="GetState" gltype="GLfixed"/>
<function name="GetIntegerv" template="GetState" gltype="GLint"/>
<function name="GetLightfv" template="GetLight" gltype="GLfloat"/>
@@ -4030,15 +3815,15 @@
<function name="PixelStorei" template="PixelStore" gltype="GLint"/>
<function name="ReadPixels" template="ReadPixels"/>
- <function name="GetBooleanv" template="GetState" gltype="GLboolean" skip_desc="true"/>
+ <function name="GetBooleanv" template="GetState" gltype="GLboolean"/>
<function name="GetClipPlanef" template="GetClipPlane" gltype="GLfloat"/>
<function name="GetClipPlanex" template="GetClipPlane" gltype="GLfixed"/>
<function name="GetError" template="GetError"/>
- <function name="GetFloatv" template="GetState" gltype="GLfloat" skip_desc="true"/>
+ <function name="GetFloatv" template="GetState" gltype="GLfloat"/>
<function name="GetFixedv" template="GetState" gltype="GLfixed"/>
- <function name="GetIntegerv" template="GetState" gltype="GLint" skip_desc="true"/>
+ <function name="GetIntegerv" template="GetState" gltype="GLint"/>
<function name="GetLightfv" template="GetLight" gltype="GLfloat"/>
<function name="GetLightxv" template="GetLight" gltype="GLfixed"/>
@@ -4250,10 +4035,10 @@
<function name="PixelStorei" template="PixelStore" gltype="GLint"/>
<function name="ReadPixels" template="ReadPixels"/>
- <function name="GetBooleanv" template="GetState" gltype="GLboolean" skip_desc="true"/>
+ <function name="GetBooleanv" template="GetState" gltype="GLboolean"/>
<function name="GetError" template="GetError"/>
- <function name="GetFloatv" template="GetState" gltype="GLfloat" skip_desc="true"/>
- <function name="GetIntegerv" template="GetState" gltype="GLint" skip_desc="true"/>
+ <function name="GetFloatv" template="GetState" gltype="GLfloat"/>
+ <function name="GetIntegerv" template="GetState" gltype="GLint"/>
<function name="GetString" external="true" template="GetString"/>
diff --git a/src/mesa/es/main/es_generator.py b/src/mesa/es/main/es_generator.py
index 5ad9c9b..0448204 100644
--- a/src/mesa/es/main/es_generator.py
+++ b/src/mesa/es/main/es_generator.py
@@ -256,45 +256,6 @@ extern void _mesa_error(void *ctx, GLenum error, const char *fmtString, ... );
typedef void (*_glapi_proc)(void); /* generic function pointer */
"""
-# All variant-length arrays in the GLES API are controlled by some
-# selector parameter. Almost all of those are constant length based
-# on the selector parameter (e.g., in glFogfv(), if the "pname"
-# parameter is GL_FOG_COLOR, the "params" array is considered to be
-# 4 floats long; for any other value of "pname", the "params' array
-# is considered to be 1 float long.
-#
-# There are a very few instances where the selector parameter chooses
-# a runtime-determined value:
-# glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS)
-# glGetIntegerv(GL_SHADER_BINARY_FORMATS)
-# plus the glGetBooleanv, glGetFloatv, glGetFixedv counterparts.
-#
-# The number of formats in both cases is not a constant, but is a
-# runtime-determined value (based on the return value of
-# glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS) or
-# glGetIntegerv(GL_NUM_SHADER_BINARY_FORMATS).
-#
-# Rather than hard-code some value (and risk memory errors when we
-# overshoot arrays), in these cases we'll use a constant expresssion
-# (e.g. _get_size(GL_NUM_COMPRESSED_TEXTURE_FORMATS)) to get the
-# value of the variant array. Note, though, that in these cases the
-# "vector" parameter should be set to some size large enough to hold
-# all values (and must be set for GLfixed-based conversions, which
-# need it to define an auxiliary array size).
-#
-# Here's the function itself. Although we only need a couple of values,
-# we'll make it general.
-print """
-extern void GLAPIENTRY _mesa_GetIntegerv(GLenum, GLint *);
-static INLINE unsigned int _get_size(GLenum pname)
-{
- /* In case of error, make sure the value returned is 0. */
- GLint value = 0;
- _mesa_GetIntegerv(pname, &value);
- return (unsigned int) value;
-}
-"""
-
# Finally we get to the all-important functions
print """/*************************************************************
* Generated functions begin here
diff --git a/src/mesa/es/main/get_gen.py b/src/mesa/es/main/get_gen.py
index 516facc..3303c4c 100644
--- a/src/mesa/es/main/get_gen.py
+++ b/src/mesa/es/main/get_gen.py
@@ -36,6 +36,7 @@ GLfloat = 3
GLdouble = 4
GLboolean = 5
GLfloatN = 6 # A normalized value, such as a color or depth range
+GLfixed = 7
TypeStrings = {
@@ -43,7 +44,8 @@ TypeStrings = {
GLenum : "GLenum",
GLfloat : "GLfloat",
GLdouble : "GLdouble",
- GLboolean : "GLboolean"
+ GLboolean : "GLboolean",
+ GLfixed : "GLfixed"
}
@@ -566,7 +568,8 @@ def EmitGetFunction(stateVars, returnType):
"""Emit the code to implement glGetBooleanv, glGetIntegerv or glGetFloatv."""
assert (returnType == GLboolean or
returnType == GLint or
- returnType == GLfloat)
+ returnType == GLfloat or
+ returnType == GLfixed)
strType = TypeStrings[returnType]
# Capitalize first letter of return type
@@ -576,6 +579,8 @@ def EmitGetFunction(stateVars, returnType):
function = "_mesa_GetBooleanv"
elif returnType == GLfloat:
function = "_mesa_GetFloatv"
+ elif returnType == GLfixed:
+ function = "_mesa_GetFixedv"
else:
abort()
@@ -688,11 +693,20 @@ def EmitHeader():
#define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
+#define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \\
+ ((F) * 65536.0f < INT_MIN) ? INT_MIN : \\
+ (GLint) ((F) * 65536.0f) )
#define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
+#define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \\
+ ((I) < SHRT_MIN) ? INT_MIN : \\
+ (GLint) ((I) * 65536) )
#define BOOLEAN_TO_INT(B) ( (GLint) (B) )
#define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
+#define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
+
+#define ENUM_TO_FIXED(E) (E)
/*
@@ -753,15 +767,20 @@ static GLenum compressed_formats[] = {
#define ARRAY_SIZE(A) (sizeof(A) / sizeof(A[0]))
+void GLAPIENTRY
+_mesa_GetFixedv( GLenum pname, GLfixed *params );
+
"""
return
-def EmitAll(stateVars):
+def EmitAll(stateVars, API):
EmitHeader()
EmitGetFunction(stateVars, GLboolean)
EmitGetFunction(stateVars, GLfloat)
EmitGetFunction(stateVars, GLint)
+ if API == 1:
+ EmitGetFunction(stateVars, GLfixed)
def main(args):
@@ -779,7 +798,7 @@ def main(args):
else:
vars = StateVars_common + StateVars_es2
- EmitAll(vars)
+ EmitAll(vars, API)
main(sys.argv)
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