From 9653acc52a1eb0b3187091b11f65470206cae6e6 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 2 Jun 2011 20:56:23 -0600 Subject: [PATCH] mesa: consolidate glGetUniform code --- src/mesa/main/uniforms.c | 188 ++++++++++++++++------------------------------- 1 file changed, 64 insertions(+), 124 deletions(-) diff --git a/src/mesa/main/uniforms.c b/src/mesa/main/uniforms.c index e16d0c0..896eca7 100644 --- a/src/mesa/main/uniforms.c +++ b/src/mesa/main/uniforms.c @@ -39,6 +39,7 @@ #include "main/glheader.h" #include "main/context.h" #include "main/dispatch.h" +#include "main/image.h" #include "main/mfeatures.h" #include "main/mtypes.h" #include "main/shaderapi.h" @@ -381,11 +382,11 @@ split_location_offset(GLint *location, GLint *offset) /** - * Called via glGetUniformfv(). + * Called via glGetUniform[fiui]v() to get the current value of a uniform. */ static void -_mesa_get_uniformfv(struct gl_context *ctx, GLuint program, GLint location, - GLsizei bufSize, GLfloat *params) +get_uniform(struct gl_context *ctx, GLuint program, GLint location, + GLsizei bufSize, GLenum returnType, GLvoid *paramsOut) { struct gl_shader_program *shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetUniformfv"); @@ -408,7 +409,7 @@ _mesa_get_uniformfv(struct gl_context *ctx, GLuint program, GLint location, get_uniform_rows_cols(p, &rows, &cols); - numBytes = rows * cols * sizeof *params; + numBytes = rows * cols * _mesa_sizeof_type(returnType); if (bufSize < numBytes) { _mesa_error( ctx, GL_INVALID_OPERATION, "glGetnUniformfvARB(out of bounds: bufSize is %d," @@ -416,131 +417,66 @@ _mesa_get_uniformfv(struct gl_context *ctx, GLuint program, GLint location, return; } - k = 0; - for (i = 0; i < rows; i++) { - const int base = paramPos + offset + i; - - for (j = 0; j < cols; j++ ) { - params[k++] = prog->Parameters->ParameterValues[base][j]; + switch (returnType) { + case GL_FLOAT: + { + GLfloat *params = (GLfloat *) paramsOut; + k = 0; + for (i = 0; i < rows; i++) { + const int base = paramPos + offset + i; + for (j = 0; j < cols; j++ ) { + params[k++] = prog->Parameters->ParameterValues[base][j]; + } + } } - } - } -} - - -/** - * Called via glGetUniformiv(). - * \sa _mesa_get_uniformfv, only difference is a cast. - */ -static void -_mesa_get_uniformiv(struct gl_context *ctx, GLuint program, GLint location, - GLsizei bufSize, GLint *params) -{ - struct gl_shader_program *shProg - = _mesa_lookup_shader_program_err(ctx, program, "glGetUniformiv"); - struct gl_program *prog; - GLint paramPos, offset; - - if (!shProg) - return; - - split_location_offset(&location, &offset); - - if (!find_uniform_parameter(shProg, location, &prog, ¶mPos)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformiv(location)"); - } - else { - const struct gl_program_parameter *p = - &prog->Parameters->Parameters[paramPos]; - GLint rows, cols, i, j, k; - GLsizei numBytes; - - get_uniform_rows_cols(p, &rows, &cols); - - numBytes = rows * cols * sizeof *params; - if (bufSize < numBytes) { - _mesa_error( ctx, GL_INVALID_OPERATION, - "glGetnUniformivARB(out of bounds: bufSize is %d," - " but %d bytes are required)", bufSize, numBytes ); - return; - } - - k = 0; - for (i = 0; i < rows; i++) { - const int base = paramPos + offset + i; - - for (j = 0; j < cols; j++ ) { - params[k++] = (GLint) prog->Parameters->ParameterValues[base][j]; + break; + case GL_DOUBLE: + { + GLfloat *params = (GLfloat *) paramsOut; + k = 0; + for (i = 0; i < rows; i++) { + const int base = paramPos + offset + i; + for (j = 0; j < cols; j++ ) { + params[k++] = (GLdouble) + prog->Parameters->ParameterValues[base][j]; + } + } } - } - } -} - - -/** - * Called via glGetUniformuiv(). - * New in GL_EXT_gpu_shader4, OpenGL 3.0 - * \sa _mesa_get_uniformfv, only difference is a cast. - */ -static void -_mesa_get_uniformuiv(struct gl_context *ctx, GLuint program, GLint location, - GLsizei bufSize, GLuint *params) -{ - struct gl_shader_program *shProg - = _mesa_lookup_shader_program_err(ctx, program, "glGetUniformuiv"); - struct gl_program *prog; - GLint paramPos, offset; - - if (!shProg) - return; - - split_location_offset(&location, &offset); - - if (!find_uniform_parameter(shProg, location, &prog, ¶mPos)) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformuiv(location)"); - } - else { - const struct gl_program_parameter *p = - &prog->Parameters->Parameters[paramPos]; - GLint rows, cols, i, j, k; - GLsizei numBytes; - - get_uniform_rows_cols(p, &rows, &cols); - - numBytes = rows * cols * sizeof *params; - if (bufSize < numBytes) { - _mesa_error( ctx, GL_INVALID_OPERATION, - "glGetnUniformuivARB(out of bounds: bufSize is %d," - " but %d bytes are required)", bufSize, numBytes ); - return; - } - - k = 0; - for (i = 0; i < rows; i++) { - const int base = paramPos + offset + i; - - for (j = 0; j < cols; j++ ) { - params[k++] = (GLuint) prog->Parameters->ParameterValues[base][j]; + break; + case GL_INT: + { + GLint *params = (GLint *) paramsOut; + k = 0; + for (i = 0; i < rows; i++) { + const int base = paramPos + offset + i; + for (j = 0; j < cols; j++ ) { + params[k++] = (GLint) + prog->Parameters->ParameterValues[base][j]; + } + } } + break; + case GL_UNSIGNED_INT: + { + GLuint *params = (GLuint *) paramsOut; + k = 0; + for (i = 0; i < rows; i++) { + const int base = paramPos + offset + i; + for (j = 0; j < cols; j++ ) { + params[k++] = (GLuint) + prog->Parameters->ParameterValues[base][j]; + } + } + } + break; + default: + _mesa_problem(ctx, "bad returnType in get_uniform()"); } } } /** - * Called via glGetUniformdv(). - * New in GL_ARB_gpu_shader_fp64, OpenGL 4.0 - */ -static void -_mesa_get_uniformdv(struct gl_context *ctx, GLuint program, GLint location, - GLsizei bufSize, GLdouble *params) -{ - _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformdvARB" - "(GL_ARB_gpu_shader_fp64 not implemented)"); -} - - -/** * Called via glGetUniformLocation(). * * The return value will encode two values, the uniform location and an @@ -1386,7 +1322,7 @@ _mesa_GetnUniformfvARB(GLhandleARB program, GLint location, GLsizei bufSize, GLfloat *params) { GET_CURRENT_CONTEXT(ctx); - _mesa_get_uniformfv(ctx, program, location, bufSize, params); + get_uniform(ctx, program, location, bufSize, GL_FLOAT, params); } void GLAPIENTRY @@ -1401,7 +1337,7 @@ _mesa_GetnUniformivARB(GLhandleARB program, GLint location, GLsizei bufSize, GLint *params) { GET_CURRENT_CONTEXT(ctx); - _mesa_get_uniformiv(ctx, program, location, bufSize, params); + get_uniform(ctx, program, location, bufSize, GL_INT, params); } void GLAPIENTRY @@ -1417,7 +1353,7 @@ _mesa_GetnUniformuivARB(GLhandleARB program, GLint location, GLsizei bufSize, GLuint *params) { GET_CURRENT_CONTEXT(ctx); - _mesa_get_uniformuiv(ctx, program, location, bufSize, params); + get_uniform(ctx, program, location, bufSize, GL_UNSIGNED_INT, params); } void GLAPIENTRY @@ -1433,7 +1369,11 @@ _mesa_GetnUniformdvARB(GLhandleARB program, GLint location, GLsizei bufSize, GLdouble *params) { GET_CURRENT_CONTEXT(ctx); - _mesa_get_uniformdv(ctx, program, location, bufSize, params); + /* + get_uniform(ctx, program, location, bufSize, GL_DOUBLE, params); + */ + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniformdvARB" + "(GL_ARB_gpu_shader_fp64 not implemented)"); } void GLAPIENTRY -- 2.7.4